Return of Leela gambit! Rook sacrifice in Nimzo in move 7, e5!

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Nay Lin Tun
Posts: 708
Joined: Mon Jan 16, 2012 6:34 am

Return of Leela gambit! Rook sacrifice in Nimzo in move 7, e5!

Post by Nay Lin Tun »

In Nimzo Indian defense Novelty, 7. e5N! was seen in computer chess since 2 years ago where a newly trained leela beat Gull.
People have tested this position several times and in last TCEC season 17, both Stockfish and Leela ended as draw in both colors.
However, today, Allie beat Stockfish with this rook gambit. In general, you cant bluff a computer, but if your sacrifice is too deep beyond the search horizon of the depth of engines, it works. :mrgreen: :twisted:
[pgn][Event "Q1"]
[Site "?"]
[Date "Jun 11, 2020 09:49:34 PM"]
[Round "11"]
[White "v0.7 AllieStein 14.3"]
[Black "stockfish 200606"]
[Result "1-0"]
[ECO "E47"]
[Opening "Nimzo-Indian"]
[Time "01:18:3603"]
[Variation "4.e3 O-O 5.Bd3 b6"]
[Termination "normal"]
[PlyCount "92"]
[WhiteType "human"]
[BlackType "human"]

1. d4 {t=0 e=0 nps=0 n=0 d=0 sd=0} 1... Nf6 {t=0 e=0 nps=0 n=0 d=0 sd=0} 2. c4
{t=0 e=0 nps=0 n=0 d=0 sd=0} 2... e6 {t=0 e=0 nps=0 n=0 d=0 sd=0} 3. Nc3 {t=0
e=0 nps=0 n=0 d=0 sd=0} 3... Bb4 {t=0 e=0 nps=0 n=0 d=0 sd=0} 4. e3 {t=0 e=0
nps=0 n=0 d=0 sd=0} 4... O-O {t=0 e=0 nps=0 n=0 d=0 sd=0} 5. Bd3 {t=0 e=0 nps=0
n=0 d=0 sd=0} 5... b6 {t=0 e=0 nps=0 n=0 d=0 sd=0} 6. e4 {t=0 e=0 nps=0 n=0 d=0
sd=0} 6... Bb7 {t=0 e=0 nps=0 n=0 d=0 sd=0} 7. e5 {t=0 e=0 nps=0 n=0 d=0 sd=0}
7... Bxg2 {t=43654 e=0 nps=34046823 n=1486280020 d=40 sd=48} 8. exf6 {t=117387
e=39 nps=97797 n=11480066 d=25 sd=66} 8... g6 {t=24371 e=0 nps=34120295
n=831545725 d=44 sd=21} 9. Bg5 {t=3084 e=41 nps=122428 n=377567 d=43 sd=69} 9...
d5 {t=74380 e=-18 nps=34576147 n=2571773852 d=44 sd=61} 10. Qg4 {t=52072 e=37
nps=173851 n=9052788 d=30 sd=65} 10... Bxh1 {t=24685 e=0 nps=36197500
n=893535289 d=47 sd=22} 11. O-O-O {t=39782 e=34 nps=149816 n=5959989 d=41 sd=65}
11... dxc4 {t=40885 e=-96 nps=34777246 n=1421867735 d=36 sd=74} 12. Bc2 {t=16435
e=34 nps=176833 n=2906247 d=38 sd=64} 12... Bd5 {t=276153 e=-13 nps=34960861
n=9654546922 d=45 sd=72} 13. Qh4 {t=86924 e=94 nps=116713 n=10145189 d=28 sd=67}
13... Nd7 {t=15837 e=0 nps=36859658 n=583746407 d=41 sd=54} 14. Nge2 {t=72171
e=242 nps=92026 n=6641638 d=19 sd=51} 14... Bf3 {t=84212 e=168 nps=36616697
n=3083565360 d=40 sd=72} 15. Rg1 {t=50426 e=331 nps=106882 n=5389636 d=19 sd=46}
15... Bd6 {t=20407 e=0 nps=35646503 n=727438190 d=38 sd=61} 16. Ne4 {t=57938
e=747 nps=113044 n=6549547 d=13 sd=39} 16... Bxe4 {t=64250 e=248 nps=36028486
n=2314830271 d=40 sd=65} 17. Bxe4 {t=25732 e=840 nps=134000 n=3448080 d=13
sd=41} 17... Re8 {t=36877 e=250 nps=38239139 n=1410144745 d=40 sd=66} 18. Bxg6
{t=46888 e=10731 nps=176142 n=8258946 d=9 sd=31} 18... hxg6 {t=157706 e=663
nps=41684806 n=6573944092 d=45 sd=90} 19. Nc3 {t=34298 e=12746 nps=195941
n=6720381 d=7 sd=33} 19... Bf8 {t=60104 e=722 nps=45521674 n=2736034738 d=48
sd=69} 20. Rg3 {t=78462 e=18366 nps=159386 n=12505728 d=8 sd=33} 20... Nxf6
{t=35668 e=733 nps=45676708 n=1629196835 d=46 sd=72} 21. Bxf6 {t=47436 e=18753
nps=187277 n=8883676 d=10 sd=34} 21... Bg7 {t=64500 e=753 nps=46527683
n=3001035588 d=48 sd=69} 22. Bxd8 {t=33716 e=18879 nps=194492 n=6557487 d=10
sd=34} 22... Raxd8 {t=144798 e=806 nps=47847589 n=6928235214 d=42 sd=74} 23. Qg5
{t=98666 e=19540 nps=208468 n=20568674 d=9 sd=32} 23... Rxd4 {t=19813 e=614
nps=40788564 n=808143830 d=32 sd=56} 24. h4 {t=36456 e=19941 nps=197116
n=7186078 d=11 sd=30} 24... Kh7 {t=186333 e=788 nps=42847757 n=7983951241 d=42
sd=62} 25. Kb1 {t=120062 e=21193 nps=157284 n=18883789 d=8 sd=29} 25... Bh6
{t=12905 e=790 nps=44579239 n=575295081 d=34 sd=54} 26. Qe5 {t=52248 e=21359
nps=196074 n=10244476 d=8 sd=27} 26... Rxh4 {t=101113 e=816 nps=43743086
n=4422994755 d=41 sd=67} 27. a4 {t=174997 e=21625 nps=218048 n=38157749 d=8
sd=25} 27... Rc8 {t=74717 e=712 nps=42593158 n=3182433040 d=39 sd=63} 28. Rf3
{t=53459 e=22421 nps=221176 n=11823844 d=7 sd=24} 28... Kg8 {t=149003 e=855
nps=45475119 n=6775929264 d=41 sd=87} 29. Qf6 {t=44695 e=22387 nps=249926
n=11170460 d=10 sd=25} 29... Rh1+ {t=52997 e=1002 nps=46425842 n=2460430387 d=40
sd=72} 30. Ka2 {t=23924 e=21516 nps=284473 n=6805734 d=9 sd=23} 30... Rf8
{t=21700 e=1000 nps=47489267 n=1030517104 d=38 sd=63} 31. Qd4 {t=69373 e=21484
nps=335683 n=23287365 d=8 sd=22} 31... Bg7 {t=55350 e=716 nps=40686998
n=2252025378 d=37 sd=55} 32. Qxc4 {t=31651 e=21453 nps=288516 n=9131835 d=8
sd=21} 32... Be5 {t=52071 e=751 nps=41323374 n=2151749444 d=38 sd=55} 33. Re3
{t=95715 e=20408 nps=308791 n=29555964 d=8 sd=23} 33... Rh5 {t=46342 e=801
nps=41246722 n=1911455636 d=37 sd=57} 34. f4 {t=61747 e=20773 nps=224392
n=13855526 d=8 sd=22} 34... Bf6 {t=211297 e=856 nps=42600035 n=9001259750 d=40
sd=67} 35. Qxc7 {t=69989 e=22172 nps=217834 n=15246001 d=7 sd=23} 35... Rf5
{t=20303 e=886 nps=44126764 n=895905690 d=33 sd=54} 36. Rh3 {t=98212 e=22643
nps=255182 n=25061974 d=7 sd=20} 36... Bg7 {t=35063 e=885 nps=43368851
n=1520642030 d=34 sd=59} 37. Qxa7 {t=50695 e=23089 nps=282503 n=14321504 d=6
sd=18} 37... Rxf4 {t=2633 e=798 nps=40967710 n=107867983 d=26 sd=35} 38. Qxb6
{t=61755 e=22906 nps=277759 n=17152981 d=7 sd=20} 38... Rd4 {t=43860 e=1382
nps=46056269 n=2020027990 d=29 sd=45} 39. Qb5 {t=61698 e=23178 nps=328240
n=20251745 d=6 sd=22} 39... Ra8 {t=7414 e=918 nps=41849507 n=310272245 d=25
sd=46} 40. Rf3 {t=59235 e=23230 nps=299391 n=17734431 d=6 sd=19} 40... Rdd8
{t=26841 e=1080 nps=43321195 n=1162784213 d=28 sd=45} 41. Qb7 {t=43243 e=23858
nps=245357 n=10609959 d=5 sd=18} 41... Rf8 {t=1624 e=895 nps=41286892 n=67049913
d=23 sd=37} 42. Rxf7 {t=55619 e=23977 nps=270846 n=15064166 d=5 sd=21} 42...
Rxa4+ {t=10060 e=15383 nps=51724617 n=520349652 d=33 sd=46} 43. Nxa4 {t=25384
e=24457 nps=232586 n=5903975 d=6 sd=17} 43... Rxf7 {t=13736 e=15400 nps=46125442
n=633579081 d=59 sd=42} 44. Qe4 {t=46347 e=24420 nps=712716 n=33032262 d=6
sd=18} 44... Ra7 {t=3445 e=15400 nps=47542680 n=163784535 d=46 sd=42} 45. Kb3
{t=49266 e=24364 nps=583080 n=28726013 d=6 sd=18} 45... Kf7 {t=4738 e=15397
nps=46719446 n=221356736 d=46 sd=57} 46. Nc5 {t=33153 e=24606 nps=376414
n=12479261 d=5 sd=14} 46... Re7 {t=5764 e=15402 nps=46584426 n=268512634 d=59
sd=26 White wins by adjudication rule} 1-0
[/pgn]
User avatar
Master Om
Posts: 450
Joined: Wed Nov 24, 2010 10:57 am
Location: INDIA

Re: Return of Leela gambit! Rook sacrifice in Nimzo in move 7, e5!

Post by Master Om »

Awesome.... :D :D :D
Always Expect the Unexpected
peter
Posts: 3186
Joined: Sat Feb 16, 2008 7:38 am
Full name: Peter Martan

Re: Return of Leela gambit! Rook sacrifice in Nimzo in move 7, e5!

Post by peter »

Nay Lin Tun wrote: Thu Jun 11, 2020 4:34 pm
After 12...Bd5? and some Backward of the following moves:

[d]rn1q1rk1/p1p2p1p/1p2pPp1/3b2B1/1bpP2Q1/2N5/PPB2P1P/2KR2N1 w - - 0 1
Analysis by Brainfish 280520 64 POPCNT:

13.Dh4 Te8 14.Sh3 Lf3 15.Tg1 e5 16.Ld2 Sd7 17.Sg5 Sxf6 18.dxe5 Lxc3 19.Lxc3 Sh5 20.Dxc4 Dd5 21.Dh4 Dc6 22.Dh3 Tad8 23.Dxf3 Dxf3 24.Sxf3 Sf4 25.Kb1 Se2 26.Tg4 Sxc3+ 27.bxc3 Kg7 28.h4 Te7 29.h5 Td5 30.Kb2 Tb5+ 31.Lb3 Tc5 32.Kc2 Ta5 33.Kd3 Td7+ 34.Ke2 Te7 35.hxg6 hxg6 36.Td4 c5 37.Td5 c4 38.Txa5 bxa5 39.Lxc4 g5 40.Ke3 g4 41.Sd2 Txe5+ 42.Kf4 Tc5 43.Kxg4 a4 44.Kg3 a5 45.Kh3 a3 46.Kg3 Tc6 47.Kf4 Th6 48.Ke3 Th5
+- (1.62) Tiefe: 49/90 00:07:29 8979MN

Sorry for german abbrevations.

After 12...Nd7 instead:

[d]r2q1rk1/p1pn1p1p/1p2pPp1/6B1/1bpP2Q1/2N5/PPB2P1P/2KR2Nb w - - 0 1
Analysis by Brainfish 280520 64 POPCNT:

13.Nh3 Bxc3 14.bxc3 h6 15.Bxg6 hxg5 16.Nxg5 Nxf6 17.Bh7+ Kh8 18.Qh3 Bf3 19.Qxf3 Nxh7 20.Nxh7 Qh4 21.Nxf8 Rxf8 22.Kb2 Qh6 23.d5 Rd8 24.Qxf7 c6 25.d6 Rf8 26.Qe7 Rxf2+ 27.Ka1 Qh3 28.Qe8+ Kh7 29.Qe7+
= (0.00) Depth: 58/34 00:08:48 11214MN
Peter.
Leo
Posts: 1080
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Location: USA/Minnesota
Full name: Leo Anger

Re: Return of Leela gambit! Rook sacrifice in Nimzo in move 7, e5!

Post by Leo »

Lot of fun to see.
Advanced Micro Devices fan.
Milos
Posts: 4190
Joined: Wed Nov 25, 2009 1:47 am

Re: Return of Leela gambit! Rook sacrifice in Nimzo in move 7, e5!

Post by Milos »

Nay Lin Tun wrote: Thu Jun 11, 2020 4:34 pm In Nimzo Indian defense Novelty, 7. e5N! was seen in computer chess since 2 years ago where a newly trained leela beat Gull.
People have tested this position several times and in last TCEC season 17, both Stockfish and Leela ended as draw in both colors.
However, today, Allie beat Stockfish with this rook gambit. In general, you cant bluff a computer, but if your sacrifice is too deep beyond the search horizon of the depth of engines, it works. :mrgreen: :twisted:
[pgn][Event "Q1"]
[Site "?"]
[Date "Jun 11, 2020 09:49:34 PM"]
[Round "11"]
[White "v0.7 AllieStein 14.3"]
[Black "stockfish 200606"]
[Result "1-0"]
[ECO "E47"]
[Opening "Nimzo-Indian"]
[Time "01:18:3603"]
[Variation "4.e3 O-O 5.Bd3 b6"]
[Termination "normal"]
[PlyCount "92"]
[WhiteType "human"]
[BlackType "human"]

1. d4 {t=0 e=0 nps=0 n=0 d=0 sd=0} 1... Nf6 {t=0 e=0 nps=0 n=0 d=0 sd=0} 2. c4
{t=0 e=0 nps=0 n=0 d=0 sd=0} 2... e6 {t=0 e=0 nps=0 n=0 d=0 sd=0} 3. Nc3 {t=0
e=0 nps=0 n=0 d=0 sd=0} 3... Bb4 {t=0 e=0 nps=0 n=0 d=0 sd=0} 4. e3 {t=0 e=0
nps=0 n=0 d=0 sd=0} 4... O-O {t=0 e=0 nps=0 n=0 d=0 sd=0} 5. Bd3 {t=0 e=0 nps=0
n=0 d=0 sd=0} 5... b6 {t=0 e=0 nps=0 n=0 d=0 sd=0} 6. e4 {t=0 e=0 nps=0 n=0 d=0
sd=0} 6... Bb7 {t=0 e=0 nps=0 n=0 d=0 sd=0} 7. e5 {t=0 e=0 nps=0 n=0 d=0 sd=0}
7... Bxg2 {t=43654 e=0 nps=34046823 n=1486280020 d=40 sd=48} 8. exf6 {t=117387
e=39 nps=97797 n=11480066 d=25 sd=66} 8... g6 {t=24371 e=0 nps=34120295
n=831545725 d=44 sd=21} 9. Bg5 {t=3084 e=41 nps=122428 n=377567 d=43 sd=69} 9...
d5 {t=74380 e=-18 nps=34576147 n=2571773852 d=44 sd=61} 10. Qg4 {t=52072 e=37
nps=173851 n=9052788 d=30 sd=65} 10... Bxh1 {t=24685 e=0 nps=36197500
n=893535289 d=47 sd=22} 11. O-O-O {t=39782 e=34 nps=149816 n=5959989 d=41 sd=65}
11... dxc4 {t=40885 e=-96 nps=34777246 n=1421867735 d=36 sd=74} 12. Bc2 {t=16435
e=34 nps=176833 n=2906247 d=38 sd=64} 12... Bd5 {t=276153 e=-13 nps=34960861
n=9654546922 d=45 sd=72} 13. Qh4 {t=86924 e=94 nps=116713 n=10145189 d=28 sd=67}
13... Nd7 {t=15837 e=0 nps=36859658 n=583746407 d=41 sd=54} 14. Nge2 {t=72171
e=242 nps=92026 n=6641638 d=19 sd=51} 14... Bf3 {t=84212 e=168 nps=36616697
n=3083565360 d=40 sd=72} 15. Rg1 {t=50426 e=331 nps=106882 n=5389636 d=19 sd=46}
15... Bd6 {t=20407 e=0 nps=35646503 n=727438190 d=38 sd=61} 16. Ne4 {t=57938
e=747 nps=113044 n=6549547 d=13 sd=39} 16... Bxe4 {t=64250 e=248 nps=36028486
n=2314830271 d=40 sd=65} 17. Bxe4 {t=25732 e=840 nps=134000 n=3448080 d=13
sd=41} 17... Re8 {t=36877 e=250 nps=38239139 n=1410144745 d=40 sd=66} 18. Bxg6
{t=46888 e=10731 nps=176142 n=8258946 d=9 sd=31} 18... hxg6 {t=157706 e=663
nps=41684806 n=6573944092 d=45 sd=90} 19. Nc3 {t=34298 e=12746 nps=195941
n=6720381 d=7 sd=33} 19... Bf8 {t=60104 e=722 nps=45521674 n=2736034738 d=48
sd=69} 20. Rg3 {t=78462 e=18366 nps=159386 n=12505728 d=8 sd=33} 20... Nxf6
{t=35668 e=733 nps=45676708 n=1629196835 d=46 sd=72} 21. Bxf6 {t=47436 e=18753
nps=187277 n=8883676 d=10 sd=34} 21... Bg7 {t=64500 e=753 nps=46527683
n=3001035588 d=48 sd=69} 22. Bxd8 {t=33716 e=18879 nps=194492 n=6557487 d=10
sd=34} 22... Raxd8 {t=144798 e=806 nps=47847589 n=6928235214 d=42 sd=74} 23. Qg5
{t=98666 e=19540 nps=208468 n=20568674 d=9 sd=32} 23... Rxd4 {t=19813 e=614
nps=40788564 n=808143830 d=32 sd=56} 24. h4 {t=36456 e=19941 nps=197116
n=7186078 d=11 sd=30} 24... Kh7 {t=186333 e=788 nps=42847757 n=7983951241 d=42
sd=62} 25. Kb1 {t=120062 e=21193 nps=157284 n=18883789 d=8 sd=29} 25... Bh6
{t=12905 e=790 nps=44579239 n=575295081 d=34 sd=54} 26. Qe5 {t=52248 e=21359
nps=196074 n=10244476 d=8 sd=27} 26... Rxh4 {t=101113 e=816 nps=43743086
n=4422994755 d=41 sd=67} 27. a4 {t=174997 e=21625 nps=218048 n=38157749 d=8
sd=25} 27... Rc8 {t=74717 e=712 nps=42593158 n=3182433040 d=39 sd=63} 28. Rf3
{t=53459 e=22421 nps=221176 n=11823844 d=7 sd=24} 28... Kg8 {t=149003 e=855
nps=45475119 n=6775929264 d=41 sd=87} 29. Qf6 {t=44695 e=22387 nps=249926
n=11170460 d=10 sd=25} 29... Rh1+ {t=52997 e=1002 nps=46425842 n=2460430387 d=40
sd=72} 30. Ka2 {t=23924 e=21516 nps=284473 n=6805734 d=9 sd=23} 30... Rf8
{t=21700 e=1000 nps=47489267 n=1030517104 d=38 sd=63} 31. Qd4 {t=69373 e=21484
nps=335683 n=23287365 d=8 sd=22} 31... Bg7 {t=55350 e=716 nps=40686998
n=2252025378 d=37 sd=55} 32. Qxc4 {t=31651 e=21453 nps=288516 n=9131835 d=8
sd=21} 32... Be5 {t=52071 e=751 nps=41323374 n=2151749444 d=38 sd=55} 33. Re3
{t=95715 e=20408 nps=308791 n=29555964 d=8 sd=23} 33... Rh5 {t=46342 e=801
nps=41246722 n=1911455636 d=37 sd=57} 34. f4 {t=61747 e=20773 nps=224392
n=13855526 d=8 sd=22} 34... Bf6 {t=211297 e=856 nps=42600035 n=9001259750 d=40
sd=67} 35. Qxc7 {t=69989 e=22172 nps=217834 n=15246001 d=7 sd=23} 35... Rf5
{t=20303 e=886 nps=44126764 n=895905690 d=33 sd=54} 36. Rh3 {t=98212 e=22643
nps=255182 n=25061974 d=7 sd=20} 36... Bg7 {t=35063 e=885 nps=43368851
n=1520642030 d=34 sd=59} 37. Qxa7 {t=50695 e=23089 nps=282503 n=14321504 d=6
sd=18} 37... Rxf4 {t=2633 e=798 nps=40967710 n=107867983 d=26 sd=35} 38. Qxb6
{t=61755 e=22906 nps=277759 n=17152981 d=7 sd=20} 38... Rd4 {t=43860 e=1382
nps=46056269 n=2020027990 d=29 sd=45} 39. Qb5 {t=61698 e=23178 nps=328240
n=20251745 d=6 sd=22} 39... Ra8 {t=7414 e=918 nps=41849507 n=310272245 d=25
sd=46} 40. Rf3 {t=59235 e=23230 nps=299391 n=17734431 d=6 sd=19} 40... Rdd8
{t=26841 e=1080 nps=43321195 n=1162784213 d=28 sd=45} 41. Qb7 {t=43243 e=23858
nps=245357 n=10609959 d=5 sd=18} 41... Rf8 {t=1624 e=895 nps=41286892 n=67049913
d=23 sd=37} 42. Rxf7 {t=55619 e=23977 nps=270846 n=15064166 d=5 sd=21} 42...
Rxa4+ {t=10060 e=15383 nps=51724617 n=520349652 d=33 sd=46} 43. Nxa4 {t=25384
e=24457 nps=232586 n=5903975 d=6 sd=17} 43... Rxf7 {t=13736 e=15400 nps=46125442
n=633579081 d=59 sd=42} 44. Qe4 {t=46347 e=24420 nps=712716 n=33032262 d=6
sd=18} 44... Ra7 {t=3445 e=15400 nps=47542680 n=163784535 d=46 sd=42} 45. Kb3
{t=49266 e=24364 nps=583080 n=28726013 d=6 sd=18} 45... Kf7 {t=4738 e=15397
nps=46719446 n=221356736 d=46 sd=57} 46. Nc5 {t=33153 e=24606 nps=376414
n=12479261 d=5 sd=14} 46... Re7 {t=5764 e=15402 nps=46584426 n=268512634 d=59
sd=26 White wins by adjudication rule} 1-0
[/pgn]
AFAIK Stockfish is firmly leading with no losses. Oh, wait, you are talking about that mediocre CCC tournament. Lol.
Where SF is playing on a hardware weaker than 400$ 12 core 3900X. Even Droidfish with FIDE TC would produce better quality game on my phone.
What a joke giving this any merit.
User avatar
Ovyron
Posts: 4556
Joined: Tue Jul 03, 2007 4:30 am

Re: Return of Leela gambit! Rook sacrifice in Nimzo in move 7, e5!

Post by Ovyron »

Nay Lin Tun wrote: Thu Jun 11, 2020 4:34 pm if your sacrifice is too deep beyond the search horizon of the depth of engines, it works
Yes, I think any chess entity of today can still lose a game because of this, no matter how long is the time control. Perceived draw death is caused by lazy people that never try to go beyond their opponent's horizon.
Nay Lin Tun
Posts: 708
Joined: Mon Jan 16, 2012 6:34 am

Re: Return of Leela gambit! Rook sacrifice in Nimzo in move 7, e5!

Post by Nay Lin Tun »

Milos wrote: Fri Jun 12, 2020 12:46 am
Nay Lin Tun wrote: Thu Jun 11, 2020 4:34 pm In Nimzo Indian defense Novelty, 7. e5N! was seen in computer chess since 2 years ago where a newly trained leela beat Gull.
People have tested this position several times and in last TCEC season 17, both Stockfish and Leela ended as draw in both colors.
However, today, Allie beat Stockfish with this rook gambit. In general, you cant bluff a computer, but if your sacrifice is too deep beyond the search horizon of the depth of engines, it works. :mrgreen: :twisted:
[pgn][Event "Q1"]
[Site "?"]
[Date "Jun 11, 2020 09:49:34 PM"]
[Round "11"]
[White "v0.7 AllieStein 14.3"]
[Black "stockfish 200606"]
[Result "1-0"]
[ECO "E47"]
[Opening "Nimzo-Indian"]
[Time "01:18:3603"]
[Variation "4.e3 O-O 5.Bd3 b6"]
[Termination "normal"]
[PlyCount "92"]
[WhiteType "human"]
[BlackType "human"]

1. d4 {t=0 e=0 nps=0 n=0 d=0 sd=0} 1... Nf6 {t=0 e=0 nps=0 n=0 d=0 sd=0} 2. c4
{t=0 e=0 nps=0 n=0 d=0 sd=0} 2... e6 {t=0 e=0 nps=0 n=0 d=0 sd=0} 3. Nc3 {t=0
e=0 nps=0 n=0 d=0 sd=0} 3... Bb4 {t=0 e=0 nps=0 n=0 d=0 sd=0} 4. e3 {t=0 e=0
nps=0 n=0 d=0 sd=0} 4... O-O {t=0 e=0 nps=0 n=0 d=0 sd=0} 5. Bd3 {t=0 e=0 nps=0
n=0 d=0 sd=0} 5... b6 {t=0 e=0 nps=0 n=0 d=0 sd=0} 6. e4 {t=0 e=0 nps=0 n=0 d=0
sd=0} 6... Bb7 {t=0 e=0 nps=0 n=0 d=0 sd=0} 7. e5 {t=0 e=0 nps=0 n=0 d=0 sd=0}
7... Bxg2 {t=43654 e=0 nps=34046823 n=1486280020 d=40 sd=48} 8. exf6 {t=117387
e=39 nps=97797 n=11480066 d=25 sd=66} 8... g6 {t=24371 e=0 nps=34120295
n=831545725 d=44 sd=21} 9. Bg5 {t=3084 e=41 nps=122428 n=377567 d=43 sd=69} 9...
d5 {t=74380 e=-18 nps=34576147 n=2571773852 d=44 sd=61} 10. Qg4 {t=52072 e=37
nps=173851 n=9052788 d=30 sd=65} 10... Bxh1 {t=24685 e=0 nps=36197500
n=893535289 d=47 sd=22} 11. O-O-O {t=39782 e=34 nps=149816 n=5959989 d=41 sd=65}
11... dxc4 {t=40885 e=-96 nps=34777246 n=1421867735 d=36 sd=74} 12. Bc2 {t=16435
e=34 nps=176833 n=2906247 d=38 sd=64} 12... Bd5 {t=276153 e=-13 nps=34960861
n=9654546922 d=45 sd=72} 13. Qh4 {t=86924 e=94 nps=116713 n=10145189 d=28 sd=67}
13... Nd7 {t=15837 e=0 nps=36859658 n=583746407 d=41 sd=54} 14. Nge2 {t=72171
e=242 nps=92026 n=6641638 d=19 sd=51} 14... Bf3 {t=84212 e=168 nps=36616697
n=3083565360 d=40 sd=72} 15. Rg1 {t=50426 e=331 nps=106882 n=5389636 d=19 sd=46}
15... Bd6 {t=20407 e=0 nps=35646503 n=727438190 d=38 sd=61} 16. Ne4 {t=57938
e=747 nps=113044 n=6549547 d=13 sd=39} 16... Bxe4 {t=64250 e=248 nps=36028486
n=2314830271 d=40 sd=65} 17. Bxe4 {t=25732 e=840 nps=134000 n=3448080 d=13
sd=41} 17... Re8 {t=36877 e=250 nps=38239139 n=1410144745 d=40 sd=66} 18. Bxg6
{t=46888 e=10731 nps=176142 n=8258946 d=9 sd=31} 18... hxg6 {t=157706 e=663
nps=41684806 n=6573944092 d=45 sd=90} 19. Nc3 {t=34298 e=12746 nps=195941
n=6720381 d=7 sd=33} 19... Bf8 {t=60104 e=722 nps=45521674 n=2736034738 d=48
sd=69} 20. Rg3 {t=78462 e=18366 nps=159386 n=12505728 d=8 sd=33} 20... Nxf6
{t=35668 e=733 nps=45676708 n=1629196835 d=46 sd=72} 21. Bxf6 {t=47436 e=18753
nps=187277 n=8883676 d=10 sd=34} 21... Bg7 {t=64500 e=753 nps=46527683
n=3001035588 d=48 sd=69} 22. Bxd8 {t=33716 e=18879 nps=194492 n=6557487 d=10
sd=34} 22... Raxd8 {t=144798 e=806 nps=47847589 n=6928235214 d=42 sd=74} 23. Qg5
{t=98666 e=19540 nps=208468 n=20568674 d=9 sd=32} 23... Rxd4 {t=19813 e=614
nps=40788564 n=808143830 d=32 sd=56} 24. h4 {t=36456 e=19941 nps=197116
n=7186078 d=11 sd=30} 24... Kh7 {t=186333 e=788 nps=42847757 n=7983951241 d=42
sd=62} 25. Kb1 {t=120062 e=21193 nps=157284 n=18883789 d=8 sd=29} 25... Bh6
{t=12905 e=790 nps=44579239 n=575295081 d=34 sd=54} 26. Qe5 {t=52248 e=21359
nps=196074 n=10244476 d=8 sd=27} 26... Rxh4 {t=101113 e=816 nps=43743086
n=4422994755 d=41 sd=67} 27. a4 {t=174997 e=21625 nps=218048 n=38157749 d=8
sd=25} 27... Rc8 {t=74717 e=712 nps=42593158 n=3182433040 d=39 sd=63} 28. Rf3
{t=53459 e=22421 nps=221176 n=11823844 d=7 sd=24} 28... Kg8 {t=149003 e=855
nps=45475119 n=6775929264 d=41 sd=87} 29. Qf6 {t=44695 e=22387 nps=249926
n=11170460 d=10 sd=25} 29... Rh1+ {t=52997 e=1002 nps=46425842 n=2460430387 d=40
sd=72} 30. Ka2 {t=23924 e=21516 nps=284473 n=6805734 d=9 sd=23} 30... Rf8
{t=21700 e=1000 nps=47489267 n=1030517104 d=38 sd=63} 31. Qd4 {t=69373 e=21484
nps=335683 n=23287365 d=8 sd=22} 31... Bg7 {t=55350 e=716 nps=40686998
n=2252025378 d=37 sd=55} 32. Qxc4 {t=31651 e=21453 nps=288516 n=9131835 d=8
sd=21} 32... Be5 {t=52071 e=751 nps=41323374 n=2151749444 d=38 sd=55} 33. Re3
{t=95715 e=20408 nps=308791 n=29555964 d=8 sd=23} 33... Rh5 {t=46342 e=801
nps=41246722 n=1911455636 d=37 sd=57} 34. f4 {t=61747 e=20773 nps=224392
n=13855526 d=8 sd=22} 34... Bf6 {t=211297 e=856 nps=42600035 n=9001259750 d=40
sd=67} 35. Qxc7 {t=69989 e=22172 nps=217834 n=15246001 d=7 sd=23} 35... Rf5
{t=20303 e=886 nps=44126764 n=895905690 d=33 sd=54} 36. Rh3 {t=98212 e=22643
nps=255182 n=25061974 d=7 sd=20} 36... Bg7 {t=35063 e=885 nps=43368851
n=1520642030 d=34 sd=59} 37. Qxa7 {t=50695 e=23089 nps=282503 n=14321504 d=6
sd=18} 37... Rxf4 {t=2633 e=798 nps=40967710 n=107867983 d=26 sd=35} 38. Qxb6
{t=61755 e=22906 nps=277759 n=17152981 d=7 sd=20} 38... Rd4 {t=43860 e=1382
nps=46056269 n=2020027990 d=29 sd=45} 39. Qb5 {t=61698 e=23178 nps=328240
n=20251745 d=6 sd=22} 39... Ra8 {t=7414 e=918 nps=41849507 n=310272245 d=25
sd=46} 40. Rf3 {t=59235 e=23230 nps=299391 n=17734431 d=6 sd=19} 40... Rdd8
{t=26841 e=1080 nps=43321195 n=1162784213 d=28 sd=45} 41. Qb7 {t=43243 e=23858
nps=245357 n=10609959 d=5 sd=18} 41... Rf8 {t=1624 e=895 nps=41286892 n=67049913
d=23 sd=37} 42. Rxf7 {t=55619 e=23977 nps=270846 n=15064166 d=5 sd=21} 42...
Rxa4+ {t=10060 e=15383 nps=51724617 n=520349652 d=33 sd=46} 43. Nxa4 {t=25384
e=24457 nps=232586 n=5903975 d=6 sd=17} 43... Rxf7 {t=13736 e=15400 nps=46125442
n=633579081 d=59 sd=42} 44. Qe4 {t=46347 e=24420 nps=712716 n=33032262 d=6
sd=18} 44... Ra7 {t=3445 e=15400 nps=47542680 n=163784535 d=46 sd=42} 45. Kb3
{t=49266 e=24364 nps=583080 n=28726013 d=6 sd=18} 45... Kf7 {t=4738 e=15397
nps=46719446 n=221356736 d=46 sd=57} 46. Nc5 {t=33153 e=24606 nps=376414
n=12479261 d=5 sd=14} 46... Re7 {t=5764 e=15402 nps=46584426 n=268512634 d=59
sd=26 White wins by adjudication rule} 1-0
[/pgn]
AFAIK Stockfish is firmly leading with no losses. Oh, wait, you are talking about that mediocre CCC tournament. Lol.
Where SF is playing on a hardware weaker than 400$ 12 core 3900X. Even Droidfish with FIDE TC would produce better quality game on my phone.
What a joke giving this any merit.
Your phone battery will dead before you can make 10 moves of such quality games of Stockfish moves . :mrgreen: :twisted:

The game was from NAV's Stream in which he does simulation to TCEC conditions. ( Average nps for SF is approx half of tcec ,50-70 mnps , so he increased TC to double).

The positions are taken from TCEC opening books.
Milos
Posts: 4190
Joined: Wed Nov 25, 2009 1:47 am

Re: Return of Leela gambit! Rook sacrifice in Nimzo in move 7, e5!

Post by Milos »

Nay Lin Tun wrote: Fri Jun 12, 2020 5:12 am Your phone battery will dead before you can make 10 moves of such quality games of Stockfish moves . :mrgreen: :twisted:

The game was from NAV's Stream in which he does simulation to TCEC conditions. ( Average nps for SF is approx half of tcec ,50-70 mnps , so he increased TC to double).

The positions are taken from TCEC opening books.
Ever heard of battery charger???
Stop BS-ing. In TCEC SF makes around 120Mnps from the starting position (average nps is well over 200Mnps), on that machine only 30Mnps. That's factor of 4. And judging by the time SF spent for each move, it's obvious TC was at best 1/2 of TCEC.
My cellphone does 4Mnps. That's factor of 7.5.
User avatar
Ovyron
Posts: 4556
Joined: Tue Jul 03, 2007 4:30 am

Re: Return of Leela gambit! Rook sacrifice in Nimzo in move 7, e5!

Post by Ovyron »

Milos wrote: Fri Jun 12, 2020 5:25 am My cellphone does 4Mnps.
Any plans on marrying your phone?
peter
Posts: 3186
Joined: Sat Feb 16, 2008 7:38 am
Full name: Peter Martan

Re: Return of Leela gambit! Rook sacrifice in Nimzo in move 7, e5!

Post by peter »

Nay Lin Tun wrote: Fri Jun 12, 2020 5:12 am The positions are taken from TCEC opening books.
7.e5 was book move, right?
I think the "normal" 7.Qc2 (not so much examples because already 6...Bb7(!?) wasn't played so often till now, having ..d5, ...c5 and ...Bxc3 as alternatives) is better to hold the advantage of first move for White, if position up to 6th move really arises like this.
On Herbert Bellmann's corr.CD 2020 there are 7 examples with 7.Qc2, 4 wins for White and 3 draws, that's all. No to me known corr. game with 7.e5(!?).

6.e4(!?) is rather exotic already anyhow, Nf3 or Nd2 is favoured here by far. About 150 corr. games with 6.Nf3, about 100 with 6.Nd2, 4 with 6.e4 on Bellmann-2020 CD.

After the Rook sac without Black blundering (in your given game e.g. 12...Bd5? as shown in my posting above
http://talkchess.com/forum3/viewtopic.p ... 38#p846938
) it's getting rather drawish rather quickly, isn't it?
Peter.