MESON Chess Problem Database
Problem Display
PID: 103238 (3Q1B1N/4p1N1/1r2Bk2/1r2R2n/bp4K1/2P3p1/2p5/8 w - - 0 1)
Mazul, Waldemar
Praca, 1998
#2
8 + 9
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Kxe5
- 2.Qd4#
- 1...Rxe5
- 2.Qxe7#
- 1...Rxe6
- 2.Rxe6#
- 1...Kxe5
- Tries
- 1.Ba2?
- threat
- 2.Qxe7#
- 1...Kxe5
- 2.Qd4#
- 1...Re6
- 2.Rxe6#
- 1...Rb7
- 2.Re6#
- 1...Rxe5!
- threat
- 1.Bb3?
- threat
- 2.Qxe7#
- 1...Kxe5
- 2.Qd4#
- 1...Re6
- 2.Rxe6#
- 1...Rb7
- 2.Re6#
- 1...Rxe5!
- threat
- 1.Bc4?
- threat
- 2.Qxe7#
- 1...Kxe5
- 2.Qd4#
- 1...Re6
- 2.Rxe6#
- 1...Rb7
- 2.Re6#
- 1...Rxe5!
- threat
- 1.Bd5?
- threat
- 2.Rf5#
- 2.Qxe7#
- 1...Rxd5
- 2.Qxe7#
- 1...Sxg7
- 2.Qxe7#
- 1...Re6
- 2.Rf5#
- 2.Rxe6#
- 1...Rb7
- 2.Rf5#
- 2.Re6#
- 1...Kxe5!
- threat
- 1.Bd7?
- threat
- 2.Qxe7#
- 1...Rxe5
- 2.Se8#
- 1...Re6
- 2.Rxe6#
- 1...Kxe5!
- threat
- 1.Bf7?
- threat
- 2.Qxe7#
- 1...Kxe5
- 2.Qd4#
- 1...Re6
- 2.Rxe6#
- 1...Rb7
- 2.Re6#
- 1...Rxe5!
- threat
- 1.Bc8?
- threat
- 2.Qxe7#
- 1...Kxe5
- 2.Qd4#
- 1...Re6
- 2.Rxe6#
- 1...Rb7
- 2.Re6#
- 1...Rxe5!
- threat
- 1.Bg8?
- threat
- 2.Qxe7#
- 1...Kxe5
- 2.Qd4#
- 1...Re6
- 2.Rxe6#
- 1...Rb7
- 2.Re6#
- 1...Rxe5!
- threat
- 1.Bxe7+?
- 1...Kxe5
- 2.Qd4#
- 1...Kxg7!
- 1...Kxe5
- 1.Re1?
- threat
- 2.Se8#
- 2.Qxe7#
- 1...Rxe6
- 2.Se8#
- 2.Rxe6#
- 1...Sxg7
- 2.Bxe7#
- 2.Qxe7#
- 1...Ra5
- 2.Qxe7#
- 1...Rc5
- 2.Qxe7#
- 1...Rd5
- 2.Qxe7#
- 1...Re5
- 2.Qxe7#
- 1...Rf5
- 2.Qxe7#
- 1...Rb7
- 2.Se8#
- 1...Rg5+!
- threat
- 1.Re2?
- threat
- 2.Se8#
- 2.Qxe7#
- 1...Rxe6
- 2.Se8#
- 2.Rxe6#
- 1...Sxg7
- 2.Bxe7#
- 2.Qxe7#
- 1...Ra5
- 2.Qxe7#
- 1...Rc5
- 2.Qxe7#
- 1...Rd5
- 2.Qxe7#
- 1...Re5
- 2.Qxe7#
- 1...Rf5
- 2.Qxe7#
- 1...Rb7
- 2.Se8#
- 1...Rg5+!
- threat
- 1.Re3?
- threat
- 2.Se8#
- 2.Qxe7#
- 1...Rxe6
- 2.Se8#
- 2.Rxe6#
- 1...Sxg7
- 2.Bxe7#
- 2.Qxe7#
- 1...Ra5
- 2.Qxe7#
- 1...Rc5
- 2.Qxe7#
- 1...Rd5
- 2.Qxe7#
- 1...Re5
- 2.Qxe7#
- 1...Rf5
- 2.Qxe7#
- 1...Rb7
- 2.Se8#
- 1...Rg5+!
- threat
- 1.Re4?
- threat
- 2.Se8#
- 2.Qxe7#
- 1...Rxe6
- 2.Se8#
- 2.Rxe6#
- 1...Sxg7
- 2.Bxe7#
- 2.Qxe7#
- 1...Ra5
- 2.Qxe7#
- 1...Rc5
- 2.Qxe7#
- 1...Rd5
- 2.Qxe7#
- 1...Re5
- 2.Qxe7#
- 1...Rf5
- 2.Qxe7#
- 1...Rb7
- 2.Se8#
- 1...Rg5+!
- threat
- 1.Rxb5?
- threat
- 2.Rf5#
- 2.Qxe7#
- 2.Qd4#
- 1...Rxe6
- 2.Sxh5#
- 2.Se8#
- 2.Rf5#
- 1...Bxb5
- 2.Qd4#
- 1...Sxg7
- 2.Qxe7#
- 1...Rd6
- 2.Rf5#
- 2.Qxe7#
- 1...Rb7
- 2.Rf5#
- 2.Qd4#
- 1...Rxb5!
- threat
- 1.Rc5?
- threat
- 2.Qxe7#
- 2.Qd4#
- 1...Rxe6
- 2.Sxh5#
- 2.Se8#
- 1...Sxg7
- 2.Qxe7#
- 1...Rd6
- 2.Qxe7#
- 1...Rb7
- 2.Qd4#
- 1...Rxc5!
- threat
- 1.Qc7?
- threat
- 2.Sxh5#
- 2.Se8#
- 1...Rxe5
- 2.Qxe7#
- 1...Sxg7
- 2.Bxe7#
- 1...Ra5
- 2.Sxh5#
- 1...Rc5
- 2.Sxh5#
- 1...Rd5
- 2.Sxh5#
- 1...Rb8
- 2.Sxh5#
- 1...Sf4
- 2.Se8#
- 1...Rd6!
- threat
- 1.Qd3?
- threat
- 2.Qf5#
- 1...Kxe5
- 2.Qd4#
- 1...Rxe5
- 2.Qg6#
- 1...Sxg7!
- threat
- 1.Ba2?
- Keys
- 1.Bf5!
- threat
- 2.Qxe7#
- 1...Kxe5
- 2.Qd4#
- 1...Rxe5
- 2.Sxh5#
- 1...Re6
- 2.Rxe6#
- 1...Rb7
- 2.Re6#
- threat
- 1.Bf5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- K(h);N_SPINP(i),OGATEB,S_FLIGHT,XR(C)::QAB1(F)
- R(e);SBLOCK,XR(C)::QAB1(F),XP(i)
- R(g);OGATE,XB(D)::R1(C),XR(g)
- Tries
- Try
- B(D);
- Threat
- QAB1(F),XP(i)
- Vars
- K(h);N_SPINP(i),OGATEB,S_FLIGHT,XR(C)::QAB1(F)
- R(g);N_GUARD::R1(C),XR(g)
- R(g);N_GUARD::R1(C)
- Refutation
- R(e);XR(C)
- Try
- B(D);
- Threat
- QAB1(F),XP(i)
- Vars
- K(h);N_SPINP(i),OGATEB,S_FLIGHT,XR(C)::QAB1(F)
- R(g);N_GUARD::R1(C),XR(g)
- R(g);N_GUARD::R1(C)
- Refutation
- R(e);XR(C)
- Try
- B(D);
- Threat
- QAB1(F),XP(i)
- Vars
- K(h);N_SPINP(i),OGATEB,S_FLIGHT,XR(C)::QAB1(F)
- R(g);N_GUARD::R1(C),XR(g)
- R(g);N_GUARD::R1(C)
- Refutation
- R(e);XR(C)
- Try
- B(D);
- Threat
- DUALS(2)
- Vars
- R(e);XB(D)::QAB1(F),XP(i)
- S(f);XS(E)::QAB1(F),XP(i)
- Refutation
- K(h);N_SPINP(i),S_FLIGHT,XR(C)
- Try
- B(D);
- Threat
- QAB1(F),XP(i)
- Vars
- R(e);SBLOCK,XR(C)::S(E)
- R(g);N_GUARD::R1(C),XR(g)
- Refutation
- K(h);N_SPINP(i),S_FLIGHT,XR(C)
- Try
- B(D);
- Threat
- QAB1(F),XP(i)
- Vars
- K(h);N_SPINP(i),OGATEB,S_FLIGHT,XR(C)::QAB1(F)
- R(g);N_GUARD::R1(C),XR(g)
- R(g);N_GUARD::R1(C)
- Refutation
- R(e);XR(C)
- Try
- B(D);
- Threat
- QAB1(F),XP(i)
- Vars
- K(h);N_SPINP(i),OGATEB,S_FLIGHT,XR(C)::QAB1(F)
- R(g);N_GUARD::R1(C),XR(g)
- R(g);N_GUARD::R1(C)
- Refutation
- R(e);XR(C)
- Try
- B(D);
- Threat
- QAB1(F),XP(i)
- Vars
- K(h);N_SPINP(i),OGATEB,S_FLIGHT,XR(C)::QAB1(F)
- R(g);N_GUARD::R1(C),XR(g)
- R(g);N_GUARD::R1(C)
- Refutation
- R(e);XR(C)
- Try
- B(G);CHECK,XP(i)
- Vars
- K(h);S_FLIGHT,XR(C)::QAB1(F)
- Refutation
- K(h);S_FLIGHT,XS(E)
- Try
- R(C);
- Threat
- DUALS(2)
- Vars
- R(e);::QAB1(F),XP(i)
- R(g);::S(E)
- Refutation
- R(e);CHECK
- Try
- R(C);
- Threat
- DUALS(2)
- Vars
- R(e);::QAB1(F),XP(i)
- R(g);::S(E)
- Refutation
- R(e);CHECK
- Try
- R(C);
- Threat
- DUALS(2)
- Vars
- R(e);::QAB1(F),XP(i)
- R(g);::S(E)
- Refutation
- R(e);CHECK
- Try
- R(C);
- Threat
- DUALS(2)
- Vars
- R(e);::QAB1(F),XP(i)
- R(g);::S(E)
- Refutation
- R(e);CHECK
- Try
- R(C);XR(e)
- Threat
- DUALS(3)
- Vars
- B(c);XR(C)::QAB(F)
- S(f);XS(E)::QAB1(F),XP(i)
- Refutation
- R(g);XR(C)
- Try
- R(C);
- Threat
- DUALS(2)
- Vars
- S(f);XS(E)::QAB1(F),XP(i)
- R(g);::QAB1(F),XP(i)
- R(g);::QAB(F)
- Refutation
- R(e);XR(C)
- Try
- Q(F);N_PINP(i)
- Threat
- DUALS(2)
- Vars
- R(e);SBLOCK,XR(C)::QAB1(F),XP(i)
- S(f);SBLOCK,XS(E)::B(G),XP(i)
- R(e);::S(E),XS(f)
- R(g);::S(E),XS(f)
- S(f);::S(E)
- Refutation
- R(g);
- Try
- Q(F);N_PINP(i)
- Threat
- QAR1(F)
- Vars
- K(h);OGATEB,S_FLIGHT,XR(C)::QAB1(F)
- R(e);SBLOCK,XR(C)::QAR1(F)
- Refutation
- S(f);XS(E)
- Try
- Actual
- B(D);
- Threat
- QAB1(F),XP(i)
- Vars
- K(h);N_SPINP(i),OGATEB,S_FLIGHT,XR(C)::QAB1(F)
- R(e);SBLOCK,XR(C)::S(E),XS(f)
- R(g);N_GUARD::R1(C),XR(g)
- R(g);N_GUARD::R1(C)
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).