Blitz Extravaganza Chess Engines Tournament

[Jouni]

Thanks. You test with Balsa.bin and all developers today with UHO book.

[Carlos777]

Hi guys,

The second edition will start in few hours with Promotion League 13. The new engines that will participate in this edition are this:

- Zeppelin
- Chess-rs
- MyGoEngine
- Prune
- Tuna
- Shadowfax
- Thrawn 1.1 (no nnue)
- Scoria
- Reyna
- Soomi
- Kreveta

Best regards,
Carlos

[Carlos777]

Promotion League 13 final results:

https://blitzextravaganza.wordpress.com ... league-13/

The shortest game of the Promotion League 13:

[pgn][Event "Computer Chess Game"]
[Site "DESKTOP-RIBG2B3"]
[Date "2025.11.01"]
[Round "12"]
[White "Blitzter 2.0"]
[Black "Sachy 0.2.0.5 core2"]
[Result "0-1"]
[TimeControl "180+2"]
[Annotator "3... -0.15"]

1.e4 e5 2.Nf3 d6 3.d4 Qd7
{-0.15/6 11}
4.dxe5 dxe5
{-0.14/6 4}
5.Nxe5 Qxd1+
{-0.16/6 2.0 White resigns}
0-1[/pgn]

Not sure why white resigned here, after Kxd1 everything is fine.

[mloftus955]

Hi guys,

The second edition will start in few hours with Promotion League 13. The new engines that will participate in this edition are this:

- Zeppelin
- Chess-rs
- MyGoEngine
- Prune
- Tuna
- Shadowfax
- Thrawn 1.1 (no nnue)
- Scoria
- Reyna
- Soomi
- Kreveta

Best regards,
Carlos

You are able to find many chess engines I never heard of before. That makes it more interesting.

Mark

[Carlos777]

Hi Mark,

I recommend Guenther Simon's chronology:

https://rwbc-chess.de/

There you can find all chess engines.

Regards,
Carlos

You are able to find many chess engines I never heard of before. That makes it more interesting.

Mark

[Carlos777]

Promotion League 12 final results:

https://blitzextravaganza.wordpress.com ... league-12/

The shortest games (not due to bugs, crashes, etc.) of the Promotion League 12:

[pgn][Event "Computer Chess Game"]
[Site "DESKTOP-RIBG2B3"]
[Date "2025.11.01"]
[Round "2"]
[White "Arche 0.3.6"]
[Black "Project Invincible 2.10"]
[Result "1-0"]
[TimeControl "180+2"]
[Annotator "6. -0.25 6... -0.26"]

1.d4 d5 2.c4 c6 3.cxd5 cxd5 4.Bf4 Nc6 5.e3 Nf6 6.Bb5
{-0.25/6 7}
6...Bg4
{-0.26/6 5}
7.Bxc6+
{-0.05/7 7}
7...bxc6
{-0.34/6 5}
8.Qc2
{+0.00/7 6}
8...Bd7
{-0.35/6 5}
9.Nd2
{+0.20/7 6}
9...e6
{-0.26/6 5}
10.Ngf3
{+0.35/7 6}
10...Bb4
{-0.27/6 5}
11.Qd3
{+0.30/6 6}
11...O-O
{-0.14/6 5}
12.Ng5
{+0.40/6 6}
12...c5
{-0.07/6 5}
13.dxc5
{+0.65/6 6}
13...Bxc5
{-0.14/6 5}
14.Be5
{+0.70/5 6}
14...Bb4
{+0.04/5 5}
15.Bxf6
{+9.50/6 6}
15...Bxd2+
{-9.95/6 5}
16.Kxd2
{+9.60/5 6}
16...Qa5+
{-9.85/5 5}
17.Bc3
{+9.60/5 5}
17...Qxc3+
{-10.17/6 5 Xboard adjudication}
1-0

[Event "Computer Chess Game"]
[Site "DESKTOP-RIBG2B3"]
[Date "2025.11.01"]
[Round "3"]
[White "Virutor Chess 1.1.2"]
[Black "Tikov 0.6.3 rev2"]
[Result "1-0"]
[TimeControl "180+2"]
[Annotator "2. +0.05 3... +0.83"]

1.d4 f5 2.c4
{+0.05/4 7}
2...Nf6 3.Nc3
{+0.05/4 6}
3...a5
{+0.83/7 5}
4.Nf3
{+0.06/4 6}
4...e6
{+0.83/7 16}
5.Bf4
{+0.04/4 6}
5...d5
{+0.85/7 50}
6.e3
{+0.03/3 6}
6...c5
{+0.80/6 11}
7.cxd5
{+0.02/2 5}
7...Nxd5
{+0.83/6 10}
8.Nxd5
{+0.01/3 6}
8...exd5
{+0.81/6 8}
9.Ne5
{+0.01/3 5}
9...cxd4
{+0.81/6 4}
10.Bb5+
{+0.01/3 6}
10...Bd7
{+1.22/7 10}
11.Nxd7
{+0.09/3 6}
11...Nxd7
{+0.19/9 51}
12.exd4
{+0.09/3 5}
12...Qe7+
{+0.92/6 1.2}
13.Kf1
{+0.12/4 5}
13...Qb4
{+0.85/6 2.4}
14.Qe2+
{+0.11/4 4}
14...Kd8
{+0.85/7 4}
15.Re1
{+0.99/3 5}
15...Nf6
{+1.01/5 0.5}
16.Qe8+ Nxe8
{+1.32/2 0.2}
17.Rxe8#
{Xboard adjudication: Checkmate}
1-0[/pgn]

[Carlos777]

Promotion League 11 final results:

https://blitzextravaganza.wordpress.com ... league-11/

The shortest game (not due to bugs, crashes, loss on time, etc.) of the Promotion League 11:

[pgn][Event "Computer Chess Game"]
[Site "DESKTOP-RIBG2B3"]
[Date "2025.11.02"]
[Round "6"]
[White "Blunders 0.1.0"]
[Black "Piglet 1.3.3 GS"]
[Result "1-0"]
[TimeControl "180+2"]
[Annotator "6. +0.33 6... -0.45"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Bb5+ Nc6 5.Nxd4 Bd7 6.Nc3
{+0.33/8 13}
6...Nxd4
{-0.45/9 7}
7.Qxd4
{+0.40/8 12}
7...Bxb5
{-0.45/8 7}
8.Nxb5
{+0.40/8 11}
8...Qa5+
{-0.35/8 7}
9.Nc3
{+0.49/7 11}
9...Nf6
{-0.35/8 7}
10.O-O
{+0.51/7 10}
10...e5
{-0.30/8 7}
11.Qc4
{+0.33/6 9}
11...Be7
{-0.20/8 6}
12.b4
{+0.42/7 9}
12...Nxe4
{-0.15/8 6}
13.bxa5
{+9.00/7 9}
13...Nc5
{-8.30/8 6}
14.Qd5
{+9.08/7 8}
14...O-O
{-8.15/8 6}
15.Rb1
{+9.29/7 8}
15...Rfc8
{-8.30/8 6 Xboard adjudication}
1-0[/pgn]

[Carlos777]

Promotion League 10 final results:

https://blitzextravaganza.wordpress.com ... league-10/

The shortest game of the Promotion League 10:

[pgn][Event "Computer Chess Game"]
[Site "DESKTOP-RIBG2B3"]
[Date "2025.11.03"]
[Round "6"]
[White "DeepBlunder 1.20 JA"]
[Black "Lodocase 240208"]
[Result "1-0"]
[TimeControl "180+2"]
[Annotator "6. +1.59 6... -0.07"]

1.e4 c5 2.Nf3 Nc6 3.Bb5 e6 4.O-O Nge7 5.Nc3 Qb6 6.b3
{+1.59/8 8}
6...Ng6
{-0.07/6 0.8}
7.Bxc6
{+1.51/8 8}
7...bxc6
{-0.05/6 0.7}
8.Na4
{+1.39/8 8}
8...Qb4
{-0.05/8 2.7}
9.d3
{+1.64/8 8}
9...Be7
{-0.10/6 0.9}
10.Bd2
{+1.56/8 7}
10...Qa3
{-0.19/8 6}
11.c3
{+2.66/7 7}
11...c4
{-1.02/6 1.8}
12.e5
{+3.45/8 7}
12...Bd8
{-1.05/6 1.1}
13.b4
{+4.85/8 7}
13...Nxe5
{-3.90/6 0.6}
14.Nxe5
{+8.18/8 7}
14...cxd3
{-7.23/6 0.4}
15.Nc4
{+7.83/8 7}
15...Qxa4
{-7.95/8 1.0}
16.Nd6+
{+8.07/8 6}
16...Ke7
{-8.20/12 4 Xboard adjudication}
1-0[/pgn]

[Carlos777]

Promotion League 9 final results:

https://blitzextravaganza.wordpress.com/promo-league-9/

The shortest game (not due to losses on time, crashes, etc.) of the Promotion League 9:

[pgn][Event "Computer Chess Game"]
[Site "DESKTOP-RIBG2B3"]
[Date "2025.11.04"]
[Round "1"]
[White "Tonys Chess 0.03"]
[Black "Muriel 0.7.1"]
[Result "1-0"]
[TimeControl "180+2"]
[Annotator "4. +0.30 4... -0.74"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 Bc5 4.c3
{+0.30/8 8}
4...Nf6
{-0.74/8 4}
5.d4
{+0.16/8 8}
5...exd4
{-0.68/9 7}
6.e5
{+0.41/9 8}
6...dxc3
{-0.74/8 2.9}
7.exf6
{+1.55/10 8}
7...cxb2
{-0.86/8 6}
8.Bxb2
{+2.06/10 7}
8...gxf6
{-0.48/8 5}
9.Nc3
{+1.91/9 7}
9...O-O
{-0.50/8 7}
10.O-O
{+2.07/8 7}
10...Re8
{-0.72/8 7}
11.Nd5
{+2.16/8 7}
11...Ne5
{-0.62/8 6}
12.Nxe5
{+2.59/8 7}
12...fxe5
{-1.21/8 6}
13.Qf3
{+2.51/8 7}
13...Kf8
{-1.67/8 5}
14.Qh5
{+3.73/8 6}
14...f6
{-2.88/8 6}
15.Qxh7
{+6.59/9 6}
15...Bb4
{-8.03/7 4}
16.Bc1
{+9999.91/10 6}
16...Bd2
{-9999.92/9 6}
17.Bxd2
{+9999.92/11 6}
17...Re7
{-9999.94/9 5}
18.Bh6+
{+9999.94/13 6}
18...Rg7
{-9999.96/9 4 Xboard adjudication}
1-0[/pgn]

[Carlos777]

Promotion League 8 final results:

https://blitzextravaganza.wordpress.com/promo-league-8/

The shortest game of the Promotion League 8:

[pgn][Event "Computer Chess Game"]
[Site "DESKTOP-RIBG2B3"]
[Date "2025.11.05"]
[Round "12"]
[White "Petrel 2.1 JA"]
[Black "100 Elo 200125"]
[Result "1-0"]
[TimeControl "180+2"]
[Annotator "6. +0.14 6... -0.30"]

1.e4 c5 2.Nf3 e6 3.Nc3 a6 4.Be2 b5 5.O-O Bb7 6.d3
{+0.14/18 8}
6...d5
{-0.30/16 10}
7.exd5
{+0.14/17 6}
7...exd5
{-0.26/17 10}
8.d4
{+0.17/16 5}
8...cxd4
{-0.35/15 10}
9.Nxd4
{+0.45/16 12}
9...b4
{-0.43/15 9}
10.Na4
{+0.60/16 7}
10...Nc6
{-0.51/15 9}
11.Re1
{+0.76/16 8}
11...Nge7
{-0.65/15 8}
12.Bf4
{+1.75/16 7}
12...Ra7
{-0.99/14 8}
13.Bf3
{+2.56/17 7}
13...Qa5
{-2.24/14 8}
14.Nf5
{+3.33/15 10}
14...Kd7
{-2.60/14 8}
15.Bxd5
{+7.40/17 4}
15...Nxd5
{-7.05/16 7}
16.Nb6+
{+9.63/18 7}
16...Qxb6
{-7.27/15 7}
17.Qxd5+
{+12.10/18 9}
17...Kc8
{-7.27/15 7 Xboard adjudication}
1-0[/pgn]