MESON Chess Problem Database
Problem Display
PID: 227740 (8/2p5/2P2QpB/5Bp1/4Pk2/5p1n/3P1p1P/5K2 w - - 0 1)
Bajtay, Jozsef
Uj Nemezdek, 1926
#2
8 + 7
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Sg1
- 2.Bxg5#
- 1...gxf5
- 2.Qxf5#
- 1...Sg1
- Tries
- 1.Bf8?
- 1...gxf5
- 2.Qxf5#
- 1...g4
- 2.Bxg6#
- 1...Sg1!
- 1...gxf5
- 1.Qd4?
- 1...gxf5
- 2.e5#
- 1...Sg1!
- 1...gxf5
- 1.Qe6?
- 1...gxf5
- 2.Qxf5#
- 1...Sg1!
- 1...gxf5
- 1.Qf7?
- threat
- 2.Qxc7#
- 1...gxf5
- 2.Qxf5#
- 1...Ke5!
- threat
- 1.e5?
- 1...Sg1
- 2.Bxg5#
- 1...gxf5!
- 1...Sg1
- 1.Bf8?
- Keys
- 1.Bg7!
- threat
- 2.Qe5#
- 1...gxf5
- 2.Qxf5#
- 1...g4
- 2.Bxg6#
- threat
- 1.Bg7!
FEATURES
- Static
- TYPE = BLOCK_THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 1
- Sets
- S(c);N_GUARD::B(H),XP(e)
- P(f);N_SPINP(e),OGATE,P_SPINP(f),XB(E)::QAR1(G),XP(f)
- Tries
- Try
- B(H);N_PINP(e)
- Vars
- P(f);OGATE,P_SPINP(f),XB(E)::QAR1(G),XP(f)
- P(e);SBLOCK::QAR(G)+B(E),XP(f)
- Refutation
- S(c);
- Try
- Q(G);
- Vars
- P(f);SBLOCK,XB(E)::QAR(G)+P(D)
- Refutation
- S(c);
- Try
- Q(G);
- Vars
- P(f);OGATE,XB(E)::QAR1(G),XP(f)
- Refutation
- S(c);
- Try
- Q(G);
- Threat
- QAB(G),XP(g)
- Vars
- P(f);N_SPINP(e),OGATE,P_SPINP(f),XB(E)::QAR1(G),XP(f)
- Refutation
- K(d);N_SPINP(e),S_FLIGHT
- Try
- P(D);
- Vars
- S(c);N_GUARD::B(H),XP(e)
- Refutation
- P(f);N_SPINP(e),P_SPINP(f),XB(E)
- Try
- Actual
- B(H);N_PINP(e)
- Threat
- QAB1(G)
- Vars
- P(f);OGATE,P_SPINP(f),XB(E)::QAR1(G),XP(f)
- P(e);SBLOCK::QAR(G)+B(E),XP(f)
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).