MESON Chess Problem Database
Problem Display
PID: 196889 (6Q1/1P2b3/4N3/3p1b2/B3kB2/1pP4p/3K2P1/8 w - - 0 1)
Ludwig, W
Deutsches Wochenschach, 1919
#2
8 + 6
| 6490 | yacpdb | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Bg6
- 2.Qxg6#
- 1...Bh7
- 2.Qxh7#
- 1...b2
- 2.Bc2#
- 1...hxg2
- 2.Qxg2#
- 1...d4
- 2.Bc6#
- 1...Bg6
- Tries
- 1.Bb5?
- threat
- 2.Bd3#
- 1...hxg2
- 2.Qxg2#
- 1...d4
- 2.Bc6#
- 1...Bxe6!
- threat
- 1.Bd6?
- threat
- 2.Sc5#
- 1...Bg5+
- 2.Sxg5#
- 1...Bxe6
- 2.Qxe6#
- 1...hxg2
- 2.Qxg2#
- 1...Bg4
- 2.Qxg4#
- 1...Bg6
- 2.Qxg6#
- 1...Bh7
- 2.Qxh7#
- 2.Qg4#
- 1...Bxd6!
- threat
- 1.Qg3?
- threat
- 2.Qe1#
- 2.Qd3#
- 2.Qe3#
- 2.Qf3#
- 1...hxg2
- 2.Qxg2#
- 2.Qd3#
- 2.Qe3#
- 1...Bg4
- 2.Qd3#
- 1...Bg6
- 2.Qd3#
- 2.Qxg6#
- 1...Bh7
- 2.Qd3#
- 1...d4
- 2.Bc6#
- 2.Qf3#
- 1...Bh4
- 2.Sc5#
- 2.Qd3#
- 2.Qe3#
- 2.Qf3#
- 1...Bc5
- 2.Sxc5#
- 2.Sg5#
- 2.Qd3#
- 2.Qf3#
- 1...Bxe6!
- threat
- 1.Qg7?
- threat
- 2.Qd4#
- 2.Qe5#
- 1...Bxe6
- 2.Qe5#
- 1...hxg2
- 2.Qxg2#
- 1...Bg4
- 2.Qe5#
- 1...Bg6
- 2.Qe5#
- 2.Qxg6#
- 1...Bh7
- 2.Qe5#
- 2.Qxh7#
- 1...d4
- 2.Bc6#
- 2.Qxd4#
- 2.Qe5#
- 1...Bc5
- 2.Qe5#
- 1...Bd6
- 2.Qd4#
- 1...Bf6!
- threat
- 1.b8Q?
- threat
- 2.Qe5#
- 1...hxg2
- 2.Qxg2#
- 1...Bf6
- 2.Sc5#
- 1...Bd6!
- threat
- 1.Bb5?
- Keys
- 1.Bh2!
- 1...Bg5+
- 2.Sxg5#
- 1...Bxe6
- 2.Qxe6#
- 1...hxg2
- 2.Qxg2#
- 1...Bg4
- 2.Qxg4#
- 1...Bg6
- 2.Qxg6#
- 1...Bh7
- 2.Qxh7#
- 2.Qg4#
- 1...d4
- 2.Bc6#
- 1...Ba3
- 2.Sg5#
- 1...Bb4
- 2.Sg5#
- 1...Bh4
- 2.Sc5#
- 1...Bc5
- 2.Sxc5#
- 2.Sg5#
- 1...Bd6
- 2.Sg5#
- 1...Bf6
- 2.Sc5#
- 1...Bd8
- 2.Sc5#
- 1...Bf8
- 2.Sg5#
- 1...b2
- 2.Bc2#
- 1...Bg5+
- 1.Bh2!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 10
- REMOVED MATES = 1
- Sets
- B(e);OGATEB::QAB(H),XB(e)
- P(a);OGATE::B(D)
- P(b);OGATE,XP(B)::QAB(H),XP(b)
- P(d);OGATEB::B(D)
- Tries
- Try
- B(D);
- Threat
- B(D)
- Vars
- P(b);OGATE,XP(B)::QAB(H),XP(b)
- P(d);OGATEB::B(D)
- Refutation
- B(e);XS(F)
- Try
- B(E);
- Threat
- S(F)
- Vars
- B(f);CHECK,N_GUARD::S(F),XB(f)
- B(e);OGATE,XS(F)::QAR2(H),XB(e)
- P(b);OGATE,XP(B)::QAB(H),XP(b)
- B(e);N_GUARD::QAR2(H),XB(e)
- B(e);OGATEB::QAB(H),XB(e)
- Refutation
- B(f);XB(E)
- Try
- Q(H);
- Threat
- DUALS(4)
- Vars
- B(e);::QAB1(H)
- Refutation
- B(e);XS(F)
- Try
- Q(H);
- Threat
- DUALS(2)
- Vars
- B(e);XS(F)::QAR1(H)
- P(b);OGATE,XP(B)::QAB(H),XP(b)
- B(e);::QAR1(H)
- B(f);::QAR1(H)
- Refutation
- B(f);
- Try
- P(G);
- Threat
- QAR1(G)
- Vars
- P(b);OGATE,XP(B)::QAB(H),XP(b)
- B(f);N_GUARD::S(F)
- Refutation
- B(f);
- Try
- Actual
- B(E);
- Vars
- B(f);CHECK,N_GUARD::S(F),XB(f)
- B(e);OGATE,XS(F)::QAR2(H),XB(e)
- P(b);OGATE,XP(B)::QAB(H),XP(b)
- B(e);N_GUARD::QAR2(H),XB(e)
- B(e);OGATEB::QAB(H),XB(e)
- P(d);OGATEB::B(D)
- B(f);N_GUARD::S(F)
- B(f);N_GUARD,P_PINP(C)::S(F)
- P(a);OGATE::B(D)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).