Good Test Position - only move to save the game

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treppner

Good Test Position - only move to save the game

Post by treppner »

[d]4r1k1/p1Nb1pbp/Q2p1np1/2p5/2P1q3/6P1/PP2PP1P/R1B2RK1 w - - 0 15

15. Qa3! (only move to defend white's weak white squares)

other moves lose to black's attack starting with ..Bh3
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AdminX
Posts: 6363
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Location: Acworth, GA

Re: Good Test Position - only move to save the game

Post by AdminX »

4r1k1/p1Nb1pbp/Q2p1np1/2p5/2P1q3/6P1/PP2PP1P/R1B2RK1 w - - 0 1

Analysis by Deep Fritz 11:

1.Re1 Bh3 2.f3 Qd4+ 3.e3 Rxe3 4.Bxe3 Qxb2 5.Bf2 Ne4 6.Rxe4 Bd4 7.Qc8+ Bxc8 8.Bxd4 cxd4 9.Rae1 Bh3 10.R4e2 Qb4 11.Re8+ Kg7 12.R8e7 d3 13.Ne8+
+- (2.13) Depth: 9/28 00:00:00 1477kN
-/+ (-1.14) Depth: 21/40 00:00:40 248mN

1.Qa3 Bh3 2.Qf3 Qxe2 3.Qxe2 Rxe2 4.Rd1 Ne4 5.Be3 Bxb2 6.Re1 Nc3 7.Rad1 Bg4 8.Rxe2 Nxe2+ 9.Kg2 Nf4+ 10.Bxf4 Bxd1 11.Bxd6 Be2 12.Bxc5 Be5 13.Nb5
=/+ (-0.55) Depth: 21/40 00:01:26 542mN
=/+ (-0.48) Depth: 23/41 00:02:12 836mN
"Good decisions come from experience, and experience comes from bad decisions."
__________________________________________________________________
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rightrook
Posts: 1452
Joined: Wed Mar 08, 2006 8:45 pm

Re: Good Test Position - only move to save the game

Post by rightrook »

Hiarcs 11.2.......14 ply......1:11

thanks...good test move...!

regards

Robert
treppner

Re: Good Test Position - only move to save the game

Post by treppner »

15. Re1 is the move most computers want to play and if you force 15..Bh3 they instantly see that black gets a good game by sacrificing the rook on e8 and then the bishop on g7 for a winning game!
treppner

Re: Good Test Position - only move to save the game

Post by treppner »

errr sorry the knight on f6 i mean not the bishop on g7.
zullil
Posts: 6442
Joined: Tue Jan 09, 2007 12:31 am
Location: PA USA
Full name: Louis Zulli

Re: Good Test Position - only move to save the game

Post by zullil »

treppner wrote:[d]4r1k1/p1Nb1pbp/Q2p1np1/2p5/2P1q3/6P1/PP2PP1P/R1B2RK1 w - - 0 15

15. Qa3! (only move to defend white's weak white squares)

other moves lose to black's attack starting with ..Bh3
Crafty agrees, but only after an hour-long search of 73 billion nodes!

Code: Select all

] ./crafty-23.0 
max threads set to 8.
EGTB cache memory =  256M bytes.
hash table memory = 3072M bytes.
pawn hash table memory =  512M bytes.
choose from book moves randomly (using weights.)
choose from 5 best moves.
pondering enabled.
Audio output enabled
 game/10 minutes primary time control


Crafty v23.0 (8 cpus)

White(1): book off
book file disabled.
White(1): ponder off
pondering disabled.
White(1): setboard 4r1k1/p1Nb1pbp/Q2p1np1/2p5/2P1q3/6P1/PP2PP1P/R1B2RK1 w - - 0 15
White(1): sd 25
search depth set to 25.
White(1): st 10000
search time set to 10000.00.
White(1): display stats
display statistics at end of each search.
White(1): display

       +---+---+---+---+---+---+---+---+
    8  |   | . |   | . |<R>| . |<K>| . |
       +---+---+---+---+---+---+---+---+
    7  |<P>|   |-N-|<B>| . |<P>|<B>|<P>|
       +---+---+---+---+---+---+---+---+
    6  |-Q-| . |   |<P>|   |<N>|<P>| . |
       +---+---+---+---+---+---+---+---+
    5  | . |   |<P>|   | . |   | . |   |
       +---+---+---+---+---+---+---+---+
    4  |   | . |-P-| . |<Q>| . |   | . |
       +---+---+---+---+---+---+---+---+
    3  | . |   | . |   | . |   |-P-|   |
       +---+---+---+---+---+---+---+---+
    2  |-P-|-P-|   | . |-P-|-P-|   |-P-|
       +---+---+---+---+---+---+---+---+
    1  |-R-|   |-B-|   | . |-R-|-K-|   |
       +---+---+---+---+---+---+---+---+
         a   b   c   d   e   f   g   h

White(1): go
              time limit 166:40 (+0.00) (166:40)
              depth   time  score   variation (1)
starting thread 1
starting thread 2
starting thread 3
starting thread 4
starting thread 5
starting thread 6
starting thread 7
                7     0.04   0.80   1. Bd2 Bh3 2. f3 Qd4+ 3. e3 Qxd2 4.
                                    Rf2 Qxe3 5. Nxe8 Nxe8 6. Qxa7
                7     0.07   3.20   1. Re1 Rc8 2. Qxd6 Bh3 3. f3 Qxc4 4.
                                    Be3 <HT>
                7->   0.07   3.20   1. Re1 Rc8 2. Qxd6 Bh3 3. f3 Qxc4 4.
                                    Be3 <HT> (s=2)
                8     0.07   3.21   1. Re1 Rc8 2. Qxd6 Bh3 3. f3 Qxc4 4.
                                    Be3 Nh5
                8->   0.07   3.21   1. Re1 Rc8 2. Qxd6 Bh3 3. f3 Qxc4 4.
                                    Be3 Nh5
                9     0.08     -1   1. Re1?                          
                9     0.09   2.75   1. Re1 Rc8 2. Qxd6 Bh3 3. f3 Qxc4 4.
                                    Be3 Ne8 5. Nxe8 <HT>
                9->   0.11   2.75   1. Re1 Rc8 2. Qxd6 Bh3 3. f3 Qxc4 4.
                                    Be3 Ne8 5. Nxe8 <HT>
               10     0.12   2.83   1. Re1 Rc8 2. Qxd6 Bh3 3. f3 Qxc4 4.
                                    Qf4 Qd4+ 5. Be3 Qxb2 6. Bxc5
               10->   0.13   2.83   1. Re1 Rc8 2. Qxd6 Bh3 3. f3 Qxc4 4.
                                    Qf4 Qd4+ 5. Be3 Qxb2 6. Bxc5
               11     0.15   2.75   1. Re1 Rc8 2. Qxd6 Bh3 3. f3 Qxc4 4.
                                    Qe7 Qd4+ 5. e3 Qd8 6. Qxd8+ Rxd8 7.
                                    e4
               11->   0.17   2.75   1. Re1 Rc8 2. Qxd6 Bh3 3. f3 Qxc4 4.
                                    Qe7 Qd4+ 5. e3 Qd8 6. Qxd8+ Rxd8 7.
                                    e4
               12     0.23   2.69   1. Re1 Rc8 2. Qxd6 Bh3 3. f3 Qxc4 4.
                                    Bg5 Ne8 5. Nxe8 Rxe8 6. Bf6 Bxf6 7.
                                    Qxf6 Rxe2 8. Rxe2 Qxe2
               12->   0.27   2.69   1. Re1 Rc8 2. Qxd6 Bh3 3. f3 Qxc4 4.
                                    Bg5 Ne8 5. Nxe8 Rxe8 6. Bf6 Bxf6 7.
                                    Qxf6 Rxe2 8. Rxe2 Qxe2
               13     0.33   2.69   1. Re1 Rc8 2. Qxd6 Bh3 3. f3 Qxc4 4.
                                    Bg5 Ne8 5. Nxe8 Rxe8 6. Bf6 Bxf6 7.
                                    Qxf6 Rxe2 8. Rxe2 Qxe2
               13->   0.38   2.69   1. Re1 Rc8 2. Qxd6 Bh3 3. f3 Qxc4 4.
                                    Bg5 Ne8 5. Nxe8 Rxe8 6. Bf6 Bxf6 7.
                                    Qxf6 Rxe2 8. Rxe2 Qxe2
               14     0.59   2.43   1. Re1 Bh3 2. f3 Qd4+ 3. e3 Qd3 4.
                                    Qa4 Re7 5. Nb5 Qf5 6. Qd1 d5 7. g4
                                    Qe5 8. Qd3
               14->   0.74   2.43   1. Re1 Bh3 2. f3 Qd4+ 3. e3 Qd3 4.
                                    Qa4 Re7 5. Nb5 Qf5 6. Qd1 d5 7. g4
                                    Qe5 8. Qd3
               15     0.94   2.53   1. Re1 Bh3 2. f3 Qd4+ 3. e3 Qd3 4.
                                    Qa4 Re7 5. Nb5 Qf5 6. Qd1 d5 7. g4
                                    Qe5 8. Qa4 h5 9. cxd5 Qxd5
               15->   1.16   2.53   1. Re1 Bh3 2. f3 Qd4+ 3. e3 Qd3 4.
                                    Qa4 Re7 5. Nb5 Qf5 6. Qd1 d5 7. g4
                                    Qe5 8. Qa4 h5 9. cxd5 Qxd5
               16     5.00     -1   1. Re1?                           
               16     5.42   2.25   1. Re1 Ng4 2. Nxe8 Bd4 3. e3 Qf3 4.
                                    Rf1 Bc6 5. Qxc6 Qxc6 6. exd4 Qxe8 7.
                                    h3 Nf6 8. Be3 Ne4 <HT>
               16->   6.04   2.25   1. Re1 Ng4 2. Nxe8 Bd4 3. e3 Qf3 4.
                                    Rf1 Bc6 5. Qxc6 Qxc6 6. exd4 Qxe8 7.
                                    h3 Nf6 8. Be3 Ne4 <HT>
               17     7.68   2.26   1. Re1 Ng4 2. Nxe8 Bd4 3. e3 Qf3 4.
                                    Rf1 Bc6 5. Qxc6 Qxc6 6. exd4 Qxe8 7.
                                    h3 Nf6 8. Be3 Qc8 9. Kh2
               17->   8.48   2.26   1. Re1 Ng4 2. Nxe8 Bd4 3. e3 Qf3 4.
                                    Rf1 Bc6 5. Qxc6 Qxc6 6. exd4 Qxe8 7.
                                    h3 Nf6 8. Be3 Qc8 9. Kh2
               18    11.94     -1   1. Re1?                           
               18    13.09     -3   1. Re1?                           
               18    13.28   1.47   1. Re1 Bh3 2. f3 Qd4+ 3. e3 Rxe3 4.
                                    Bxe3 Qxb2 5. Bf2 Ne4 6. Rf1 Bd4 7.
                                    Qb5 Bxf2+ 8. Kh1 Qe2 9. Qe8+ Kg7 10.
                                    Qxe4 Bxf1 11. Ne8+ Kh8 <HT>
               18->  16.71   1.47   1. Re1 Bh3 2. f3 Qd4+ 3. e3 Rxe3 4.
                                    Bxe3 Qxb2 5. Bf2 Ne4 6. Rf1 Bd4 7.
                                    Qb5 Bxf2+ 8. Kh1 Qe2 9. Qe8+ Kg7 10.
                                    Qxe4 Bxf1 11. Ne8+ Kh8 <HT> (s=14)
               19    19.36   1.47   1. Re1 Bh3 2. f3 Qd4+ 3. e3 Rxe3 4.
                                    Bxe3 Qxb2 5. Bf2 Ne4 6. Rf1 Bd4 7.
                                    Qb5 Bxf2+ 8. Kh1 Qe2 9. Qe8+ Kg7 10.
                                    Qxe4 Bxf1 11. Ne8+ Kh8 12. Nxd6 (s=13)
               19->  22.43   1.47   1. Re1 Bh3 2. f3 Qd4+ 3. e3 Rxe3 4.
                                    Bxe3 Qxb2 5. Bf2 Ne4 6. Rf1 Bd4 7.
                                    Qb5 Bxf2+ 8. Kh1 Qe2 9. Qe8+ Kg7 10.
                                    Qxe4 Bxf1 11. Ne8+ Kh8 12. Nxd6
               20    23.67     -1   1. Re1?                           
               20    25.02     -3   1. Re1?                           
               20    29.33  -0.29   1. Re1 Bh3 2. f3 Qd4+ 3. e3 Rxe3 4.
                                    Bxe3 Qxb2 5. Bf2 Ne4 6. Rf1 Qe2 7.
                                    Rab1 Qxf3 8. Rb8+ Bf8 9. Rxf8+ Kxf8
                                    10. Ne6+ Bxe6 11. Bxc5 Qxf1+ 12. Kxf1
                                    Bxc4+ 13. Qxc4 Nd2+ 14. Kg2 Nxc4 15.
                                    Bxa7
               20->   1:13  -0.29   1. Re1 Bh3 2. f3 Qd4+ 3. e3 Rxe3 4.
                                    Bxe3 Qxb2 5. Bf2 Ne4 6. Rf1 Qe2 7.
                                    Rab1 Qxf3 8. Rb8+ Bf8 9. Rxf8+ Kxf8
                                    10. Ne6+ Bxe6 11. Bxc5 Qxf1+ 12. Kxf1
                                    Bxc4+ 13. Qxc4 Nd2+ 14. Kg2 Nxc4 15.
                                    Bxa7 (s=9)
               21     1:21  -0.29   1. Re1 Bh3 2. f3 Qd4+ 3. e3 Rxe3 4.
                                    Bxe3 Qxb2 5. Bf2 Ne4 6. Rf1 Qe2 7.
                                    Rab1 Qxf3 8. Rb8+ Bf8 9. Rxf8+ Kxf8
                                    10. Ne6+ Bxe6 11. Bxc5 Qxf1+ 12. Kxf1
                                    Bxc4+ 13. Qxc4 Nd2+ 14. Kg2 Nxc4 15.
                                    Bxa7 (s=8)
               21->   1:43  -0.29   1. Re1 Bh3 2. f3 Qd4+ 3. e3 Rxe3 4.
                                    Bxe3 Qxb2 5. Bf2 Ne4 6. Rf1 Qe2 7.
                                    Rab1 Qxf3 8. Rb8+ Bf8 9. Rxf8+ Kxf8
                                    10. Ne6+ Bxe6 11. Bxc5 Qxf1+ 12. Kxf1
                                    Bxc4+ 13. Qxc4 Nd2+ 14. Kg2 Nxc4 15.
                                    Bxa7 (s=2)
               22     1:58  -0.29   1. Re1 Bh3 2. f3 Qd4+ 3. e3 Rxe3 4.
                                    Bxe3 Qxb2 5. Bf2 Ne4 6. Rf1 Qe2 7.
                                    Rab1 Qxf3 8. Rb8+ Bf8 9. Rxf8+ Kxf8
                                    10. Ne6+ Bxe6 11. Bxc5 Qxf1+ 12. Kxf1
                                    Bxc4+ 13. Qxc4 Nd2+ 14. Kg2 Nxc4 15.
                                    Bxa7
               22->   2:47  -0.29   1. Re1 Bh3 2. f3 Qd4+ 3. e3 Rxe3 4.
                                    Bxe3 Qxb2 5. Bf2 Ne4 6. Rf1 Qe2 7.
                                    Rab1 Qxf3 8. Rb8+ Bf8 9. Rxf8+ Kxf8
                                    10. Ne6+ Bxe6 11. Bxc5 Qxf1+ 12. Kxf1
                                    Bxc4+ 13. Qxc4 Nd2+ 14. Kg2 Nxc4 15.
                                    Bxa7 (s=2)
               23     3:21  -0.47   1. Re1 Bh3 2. f3 Qd4+ 3. e3 Rxe3 4.
                                    Bxe3 Qxb2 5. Bf2 Ne4 6. Rf1 Qe2 7.
                                    Rab1 Qxf3 8. Rb8+ Bf8 9. Rxf8+ Kxf8
                                    10. Ne6+ Bxe6 11. Bxc5 Qxf1+ 12. Kxf1
                                    Bxc4+ 13. Qxc4 Nd2+ 14. Ke2 Nxc4 15.
                                    Bxa7 d5
               23->   5:28  -0.47   1. Re1 Bh3 2. f3 Qd4+ 3. e3 Rxe3 4.
                                    Bxe3 Qxb2 5. Bf2 Ne4 6. Rf1 Qe2 7.
                                    Rab1 Qxf3 8. Rb8+ Bf8 9. Rxf8+ Kxf8
                                    10. Ne6+ Bxe6 11. Bxc5 Qxf1+ 12. Kxf1
                                    Bxc4+ 13. Qxc4 Nd2+ 14. Ke2 Nxc4 15.
                                    Bxa7 d5 (s=2)
               24     7:16  -0.24   1. Re1 Bh3 2. f3 Qd4+ 3. e3 Rxe3 4.
                                    Bxe3 Qxb2 5. Bf2 Ne4 6. Rf1 Qe2 7.
                                    Rab1 Qxf3 8. Rb8+ Bf8 9. Rxf8+ Kxf8
                                    10. Ne6+ Bxe6 11. Bxc5 Qxf1+ 12. Kxf1
                                    Bxc4+ 13. Qxc4 Nd2+ 14. Ke2 Nxc4 15.
                                    Bxa7 Kg7 16. Bd4+ f6
               24->  10:14  -0.24   1. Re1 Bh3 2. f3 Qd4+ 3. e3 Rxe3 4.
                                    Bxe3 Qxb2 5. Bf2 Ne4 6. Rf1 Qe2 7.
                                    Rab1 Qxf3 8. Rb8+ Bf8 9. Rxf8+ Kxf8
                                    10. Ne6+ Bxe6 11. Bxc5 Qxf1+ 12. Kxf1
                                    Bxc4+ 13. Qxc4 Nd2+ 14. Ke2 Nxc4 15.
                                    Bxa7 Kg7 16. Bd4+ f6
               25    10:46     -1   1. Re1?                           
               25    12:43     -3   1. Re1?                           
               25    15:20  -1.62   1. Re1 Bh3 2. f3 Qd4+ 3. e3 Rxe3 4.
                                    Bxe3 Qxb2 5. Bf2 Ne4 6. Rxe4 Bd4 7.
                                    Qc8+ Bxc8 8. Bxd4 cxd4 9. Re8+ Kg7
                                    10. Rae1 d3 11. Rxc8 d2 12. Ne8+ Kh6
                                    13. Rf1 Qd4+ 14. Kg2 d1=Q 15. Rxd1
                                    Qxd1
               25    65:29  -0.35   1. Qa3 Bh3 2. Qf3 Qxe2 3. Qxe2 Rxe2
                                    4. Rd1 Ng4 5. Be3 Nxe3 6. fxe3 Be5
                                    7. a3 Rxe3 8. Rd2 Bd4 9. Kh1 Bg4 10.
                                    Kg2 Re2+ 11. Rxe2 Bxe2 12. Nb5 Bxc4
                                    13. Nxd4 cxd4
               25->  65:29  -0.35   1. Qa3 Bh3 2. Qf3 Qxe2 3. Qxe2 Rxe2
                                    4. Rd1 Ng4 5. Be3 Nxe3 6. fxe3 Be5
                                    7. a3 Rxe3 8. Rd2 Bd4 9. Kh1 Bg4 10.
                                    Kg2 Re2+ 11. Rxe2 Bxe2 12. Nb5 Bxc4
                                    13. Nxd4 cxd4
              time=65:29  mat=2  n=73939687832  fh=86%  nps=18.8M
              ext-> check=2699.0M qcheck=2970.0M reduce=239.9M/1955.5M
              predicted=0  evals=2576.6M  50move=0  EGTBprobes=0  hits=0
              SMP->  splits=4376475  aborts=648127  data=91/512  elap=65:29
terminating SMP processes.

White(1): Qa3 
              time used:  65:29
User avatar
beachknight
Posts: 3533
Joined: Tue Jan 09, 2007 8:33 pm
Location: Antalya, Turkey

Re: Good Test Position - only move to save the game

Post by beachknight »

1580: 4r1k1/p1Nb1pbp/Q2p1np1/2p5/2P1
4r1k1/p1Nb1pbp/Q2p1np1/2p5/2P1q3/6P1/PP2PP1P/R1B2RK1 w - - 0 1

Analysis by Deep Fritz 11:

15.Re1 Bh3 16.f3 Qd4+ 17.e3 Qd3 18.Qa4 Re7 19.Nb5 d5 20.Na3 Rd7 21.cxd5 Nxd5 22.Qb5 Qf5 23.Qe2 Qe6 24.Rd1 Be5 25.Nc4
+/- (1.09) Depth: 19/36 00:00:09 64041kN
15.Re1 Bh3 16.f3 Qd4+ 17.e3 Rxe3 18.Bxe3 Qxb2 19.Bf2 Ne4 20.Rf1 Qe2 21.Rab1 Qxf3 22.Rb8+ Bf8 23.Rxf8+ Kxf8 24.Ne6+ Bxe6 25.Bxc5 Qxf1+ 26.Kxf1 Bxc4+
=/+ (-0.64) Depth: 20/38 00:00:13 98831kN
15.Re1 Bh3 16.f3 Qd4+ 17.e3 Rxe3 18.Bxe3 Qxb2 19.Bf2 Ne4 20.Rf1 Qe2 21.Rab1 Qxf3 22.Rb8+ Bf8 23.Rxf8+ Kxf8 24.Ne6+ Bxe6 25.Bxc5 Qxf1+
-/+ (-0.71) Depth: 21/40 00:00:33 251mN
15.Re1 Bh3 16.f3 Qd4+ 17.e3 Rxe3 18.Bxe3 Qxb2 19.Bf2 Ne4 20.Rf1 Qe2 21.Rab1 Qxf3 22.Rb8+ Bf8 23.Rxf8+ Kxf8 24.Ne6+ Bxe6 25.Bxc5 Qxf1+
-/+ (-0.71) Depth: 22/40 00:00:57 437mN
15.Re1 Bh3 16.f3 Qd4+ 17.e3 Rxe3 18.Bxe3 Qxb2 19.Bf2 Ne4 20.Rxe4 Bd4 21.Qc8+ Bxc8 22.Bxd4 cxd4 23.Rae1 Bd7 24.R4e2 Qa3 25.Nd5
-/+ (-1.21) Depth: 23/44 00:01:46 771mN
15.Qa3 Bh3 16.Qf3 Qxe2 17.Qxe2 Rxe2 18.Rd1 Ne4 19.Be3 Bxb2 20.Re1 Nc3 21.Rad1 Bg4 22.Rxe2 Nxe2+ 23.Kg2 Nf4+ 24.Bxf4 Bxd1 25.Bxd6
=/+ (-0.48) Depth: 23/44 00:02:14 993mN

(, chessengines20 10.08.2009)
hi, merhaba, hallo HT
User avatar
beachknight
Posts: 3533
Joined: Tue Jan 09, 2007 8:33 pm
Location: Antalya, Turkey

Re: Good Test Position - only move to save the game

Post by beachknight »

1580: 4r1k1/p1Nb1pbp/Q2p1np1/2p5/2P1
4r1k1/p1Nb1pbp/Q2p1np1/2p5/2P1q3/6P1/PP2PP1P/R1B2RK1 w - - 0 1

Analysis by Deep Hiarcs 12:

15.Re1 Bh3
+/- (0.95) Depth: 14/40 00:00:04 6564kN
15.Re1 Bh3 16.f3 Qd4+ 17.e3 Rxe3 18.Bxe3 Qxb2 19.Bf2 Ne4 20.Rf1 Qe2 21.Rab1 Qxf3 22.Rb8+ Bf8 23.Rxf8+ Kxf8 24.Ne6+ Bxe6 25.Qxa7 Bxc4 26.Qa8+ Ke7 27.Qb7+ Ke6 28.Qc8+ Kd5 29.Qa8+ Ke5
-/+ (-1.05) Depth: 14/47 00:00:08 12413kN
15.Qa3
-/+ (-1.04) Depth: 14/47 00:00:13 19284kN
15.Qa3 Bh3 16.Qf3 Qxe2 17.Qxe2 Rxe2 18.Rd1 Ng4 19.Be3 Nxe3 20.fxe3
=/+ (-0.39) Depth: 14/47 00:00:15 22322kN
15.Qa3 Bh3 16.Qf3 Qxe2 17.Qxe2 Rxe2 18.Rd1 Ne4 19.Be3 Bxb2 20.Re1 Nc3 21.Rad1 Bg4 22.Rxe2 Nxe2+ 23.Kg2 Nf4+ 24.Bxf4 Bxd1 25.Bxd6 Be2 26.Bxc5 a5 27.f4 Bxc4
=/+ (-0.58) Depth: 15/47 00:00:20 28908kN
15.Qa3 Bh3 16.Qf3 Qxe2 17.Qxe2 Rxe2 18.Rd1 Ne4 19.Be3 Bxb2 20.Re1 Nc3 21.Rad1 Bg4 22.Rxe2 Nxe2+ 23.Kg2 Nf4+ 24.Bxf4 Bxd1 25.Bxd6 Be2 26.Bxc5 Be5 27.Nd5
=/+ (-0.64) Depth: 16/47 00:00:27 40240kN

(, chessengines20 10.08.2009)
hi, merhaba, hallo HT
User avatar
beachknight
Posts: 3533
Joined: Tue Jan 09, 2007 8:33 pm
Location: Antalya, Turkey

Re: Good Test Position - only move to save the game

Post by beachknight »

1580: 4r1k1/p1Nb1pbp/Q2p1np1/2p5/2P1
4r1k1/p1Nb1pbp/Q2p1np1/2p5/2P1q3/6P1/PP2PP1P/R1B2RK1 w - - 0 1

Analysis by Deep Shredder 11 x64:

15.Re1 Bh3 16.f3 Qd4+ 17.e3 Qd3 18.Qa4 Re7 19.Nb5 d5 20.Na3 Qf5 21.Qd1 d4 22.e4 Qe6 23.b3 Rb7 24.Bg5 h6 25.Bxf6 Bxf6 26.f4 Qa6 27.Nb5 Rd7 28.Qd3
+- (1.54) Depth: 14/39 00:00:08 20376kN
15.Re1 Bh3 16.f3 Qd4+ 17.e3 Rxe3 18.Bxe3 Qxb2 19.Bf2 Ne4 20.Rxe4 Bd4 21.Qc8+ Bxc8 22.Bxd4 cxd4 23.Re8+ Kg7 24.Rae1 d3 25.Rxc8 d2 26.Rf1 Qc1 27.Ne8+ Kh6 28.g4 g5
-+ (-1.78) Depth: 15/50 00:03:06 493mN, bb=8
15.Qa3 Bh3 16.Qf3 Qxe2 17.Qxe2 Rxe2 18.Rd1 Ne4 19.Be3 Bxb2 20.Re1 Nc3 21.Rad1 Bg4 22.Rxe2 Nxe2+ 23.Kg2 Nf4+ 24.Bxf4 Bxd1 25.Bxd6
= (-0.22) Depth: 15/50 00:03:06 562mN, bb=9
15.Qa3 Bh3 16.Qf3 Qxe2 17.Qxe2 Rxe2 18.Rd1 Ne4 19.Be3 Bxb2 20.Re1 Nc3 21.Rad1 Bg4 22.Rxe2 Nxe2+ 23.Kg2 Nf4+ 24.Bxf4 Bxd1 25.Bxd6
= (-0.22) Depth: 16/31 00:03:06 566mN, bb=9
15.Qa3 Bh3 16.Qf3 Qxe2 17.Qxe2 Rxe2 18.Rd1 Ne4 19.Be3 Bxb2 20.Re1 Nc3 21.Rad1 Bg4 22.Rxe2 Nxe2+ 23.Kg2 Nf4+ 24.Bxf4 Bxd1 25.Bxd6
= (-0.22) Depth: 17/22 00:03:06 568mN, bb=9
15.Qa3 Bh3 16.Qf3 Qxe2 17.Qxe2 Rxe2 18.Rd1 Ne4 19.Be3 Bxb2 20.Re1 Nc3 21.Rad1 Bg4 22.Rxe2 Nxe2+ 23.Kg2 Nf4+ 24.Bxf4 Bxd1 25.Nb5 Be5 26.Nxd6
=/+ (-0.31) Depth: 18/42 00:03:17 604mN, bb=9

(, chessengines20 10.08.2009)
hi, merhaba, hallo HT
User avatar
beachknight
Posts: 3533
Joined: Tue Jan 09, 2007 8:33 pm
Location: Antalya, Turkey

Re: Good Test Position - only move to save the game

Post by beachknight »

1580: 4r1k1/p1Nb1pbp/Q2p1np1/2p5/2P1
4r1k1/p1Nb1pbp/Q2p1np1/2p5/2P1q3/6P1/PP2PP1P/R1B2RK1 w - - 0 1

Analysis by Naum 4:

15.Re1 Bh3 16.f3 Qd4+ 17.e3 Qd3 18.Qa4 Re7 19.Nb5 d5 20.Na3 Qf5 21.Qd1 d4
+/- (0.92) Depth: 14/36 00:00:02 6370kN
15.Re1 Bh3 16.f3 Qd4+ 17.e3 Qd3 18.Qa4 Re7 19.Nb5 d5 20.Na3 Nd7 21.Qc2 Ne5 22.Qxd3
+/- (0.99) Depth: 15/39 00:00:03 10001kN
15.Qa3 Bh3 16.Qf3 Qxe2 17.Qxe2 Rxe2 18.Rd1 Ne4 19.Be3 Bxb2 20.Re1 Nc3 21.Rad1 Bg4 22.Rxe2 Nxe2+
= (-0.25) Depth: 16/49 00:00:23 79878kN
15.Qa3 Bh3 16.Qf3 Qxe2 17.Qxe2 Rxe2 18.Rd1 Ne4 19.Be3 Bxb2 20.Re1 Nc3 21.Rad1 Bg4 22.Rxe2 Nxe2+ 23.Kg2
=/+ (-0.27) Depth: 17/52 00:00:27 93222kN
15.Qa3 Bh3 16.Qf3 Qxe2 17.Qxe2 Rxe2 18.Rd1 Ne4 19.Be3 Bxb2 20.Re1 Nc3 21.Rad1 Bg4 22.Rxe2 Nxe2+ 23.Kg2 Nf4+
= (-0.25) Depth: 18/52 00:00:36 127mN

(, chessengines20 10.08.2009)
hi, merhaba, hallo HT