MESON Chess Problem Database
Problem Display
PID: 99948 (2KR4/4p3/3Pk2p/7Q/1n4Nn/2N5/8/8 w - - 0 1)
Bajtay, Jozsef
Magyar Sakkvilag, 1925
#2
6 + 5
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Sa2
- 2.Qd5#
- 1...Sc2
- 2.Qd5#
- 1...Sd3
- 2.Qd5#
- 1...Sd5
- 2.Qxd5#
- 1...Sa6
- 2.Qd5#
- 1...Sc6
- 2.Qd5#
- 1...Sg2
- 2.Qg6#
- 1...Sf3
- 2.Qg6#
- 1...Sf5
- 2.Qg6#
- 1...Sg6
- 2.Qxg6#
- 1...exd6
- 2.Re8#
- 1...Sa2
- Tries
- 1.Kb7?
- 1...Sg6
- 2.Qxg6#
- 1...Sa2
- 2.Qd5#
- 1...Sc2
- 2.Qd5#
- 1...Sd3
- 2.Qd5#
- 1...Sd5
- 2.Qxd5#
- 1...Sa6
- 2.Qd5#
- 1...Sc6
- 2.Qd5#
- 1...Sg2
- 2.Qg6#
- 1...Sf3
- 2.Qg6#
- 1...Sf5
- 2.Qg6#
- 1...exd6!
- 1...Sg6
- 1.Kc7?
- 1...Sd5+
- 2.Qxd5#
- 1...exd6
- 2.Re8#
- 1...Sg6
- 2.Qxg6#
- 1...Sa2
- 2.Qd5#
- 1...Sc2
- 2.Qd5#
- 1...Sd3
- 2.Qd5#
- 1...Sc6
- 2.Qd5#
- 1...Sg2
- 2.Qg6#
- 1...Sf3
- 2.Qg6#
- 1...Sf5
- 2.Qg6#
- 1...Sa6+!
- 1...Sd5+
- 1.Se2?
- threat
- 2.Sd4#
- 2.Sf4#
- 1...exd6
- 2.Re8#
- 1...Sf5
- 2.Sf4#
- 1...Sc2
- 2.Sf4#
- 1...Sd3
- 2.Sd4#
- 1...Sd5
- 2.Sd4#
- 1...Sc6
- 2.Sf4#
- 1...Sg2
- 2.Sd4#
- 1...Sf3
- 2.Sf4#
- 1...Sg6!
- threat
- 1.Sb5?
- threat
- 2.Sd4#
- 2.Sc7#
- 1...exd6
- 2.Re8#
- 1...Sf5
- 2.Sc7#
- 1...Sc2
- 2.Sc7#
- 1...Sd5
- 2.Sd4#
- 1...Sa6
- 2.Sd4#
- 1...Sc6
- 2.Sc7#
- 1...Sf3
- 2.Sc7#
- 1...Sg6!
- threat
- 1.Re8?
- 1...Sg6
- 2.Qxg6#
- 1...Sa2
- 2.Qd5#
- 1...Sc2
- 2.Qd5#
- 1...Sd3
- 2.Qd5#
- 1...Sd5
- 2.Qxd5#
- 1...Sa6
- 2.Qd5#
- 1...Sc6
- 2.Qd5#
- 1...Sg2
- 2.Qg6#
- 1...Sf3
- 2.Qg6#
- 1...Sf5
- 2.Qg6#
- 1...Kxd6!
- 1...Sg6
- 1.Rf8?
- threat
- 2.Qe5#
- 1...exd6
- 2.Re8#
- 2.Qf7#
- 2.Qe8#
- 1...Sd3
- 2.Qd5#
- 1...Sc6
- 2.Qd5#
- 1...Sf3
- 2.Qg6#
- 2.Qxh6#
- 1...Sf5
- 2.Qg6#
- 1...Sg6
- 2.Qxg6#
- 1...Kxd6!
- threat
- 1.Rg8?
- 1...exd6
- 2.Re8#
- 1...Sg6
- 2.Qxg6#
- 1...Sa2
- 2.Qd5#
- 1...Sc2
- 2.Qd5#
- 1...Sd3
- 2.Qd5#
- 1...Sd5
- 2.Qxd5#
- 1...Sa6
- 2.Qd5#
- 1...Sc6
- 2.Qd5#
- 1...Sg2
- 2.Qg6#
- 1...Sf3
- 2.Qg6#
- 1...Sf5
- 2.Qg6#
- 1...Kxd6!
- 1...exd6
- 1.Rh8?
- 1...exd6
- 2.Re8#
- 1...Sg6
- 2.Qxg6#
- 1...Sa2
- 2.Qd5#
- 1...Sc2
- 2.Qd5#
- 1...Sd3
- 2.Qd5#
- 1...Sd5
- 2.Qxd5#
- 1...Sa6
- 2.Qd5#
- 1...Sc6
- 2.Qd5#
- 1...Sg2
- 2.Rxh6#
- 2.Qg6#
- 1...Sf3
- 2.Rxh6#
- 2.Qg6#
- 1...Sf5
- 2.Qg6#
- 1...Kxd6!
- 1...exd6
- 1.Qxh6+?
- 1...Kf7
- 2.Se5#
- 2.Rf8#
- 1...Sg6
- 2.Qxg6#
- 1...Kf5!
- 1...Kf7
- 1.d7?
- 1...Sg6
- 2.Qxg6#
- 1...Sa2
- 2.Qd5#
- 1...Sc2
- 2.Qd5#
- 1...Sd3
- 2.Qd5#
- 1...Sd5
- 2.Qxd5#
- 1...Sa6
- 2.Qd5#
- 1...Sc6
- 2.Qd5#
- 1...Sg2
- 2.Qg6#
- 1...Sf3
- 2.Qg6#
- 1...Sf5
- 2.Qg6#
- 1...Kd6!
- 1...Sg6
- 1.Kb7?
- Keys
- 1.Rd7!
- 1...exd6
- 2.Qf7#
- 1...Sg6
- 2.Qxg6#
- 1...Sa2
- 2.Qd5#
- 1...Sc2
- 2.Qd5#
- 1...Sd3
- 2.Qd5#
- 1...Sd5
- 2.Qxd5#
- 1...Sa6
- 2.Qd5#
- 1...Sc6
- 2.Qd5#
- 1...Sg2
- 2.Qg6#
- 1...Sf3
- 2.Qg6#
- 1...Sf5
- 2.Qg6#
- 1...exd6
- 1.Rd7!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- S(a);N_GUARD::QAB1(C)
- S(a);N_GUARD::QAB1(C),XS(a)
- S(b);N_GUARD::QAR2(C)
- S(b);N_GUARD::QAR2(C),XS(b)
- P(e);OGATEB,SBLOCK,XP(D)::R(F)
- Tries
- Try
- K(E);S_FLIGHT
- Vars
- S(b);N_GUARD::QAR2(C),XS(b)
- S(a);N_GUARD::QAB1(C)
- S(a);N_GUARD::QAB1(C),XS(a)
- S(b);N_GUARD::QAR2(C)
- Refutation
- P(e);XP(D)
- Try
- K(E);P-FLIGHT
- Vars
- S(a);CHECK,N_GUARD::QAB1(C),XS(a)
- P(e);OGATEB,XP(D)::R(F)
- S(b);N_GUARD::QAR2(C),XS(b)
- S(a);N_GUARD::QAB1(C)
- S(b);N_GUARD::QAR2(C)
- Refutation
- S(a);CHECK
- Try
- S(A);
- Threat
- DUALS(2)
- Vars
- P(e);OGATEB,SBLOCK,XP(D)::R(F)
- S(b);::S(A)
- S(a);::S(A)
- Refutation
- S(b);
- Try
- S(A);
- Threat
- DUALS(2)
- Vars
- P(e);OGATEB,XP(D)::R(F)
- S(b);::S(A)
- S(a);::S(A)
- Refutation
- S(b);
- Try
- R(F);P_PINP(e)
- Vars
- S(b);N_GUARD::QAR2(C),XS(b)
- S(a);N_GUARD::QAB1(C)
- S(a);N_GUARD::QAB1(C),XS(a)
- S(b);N_GUARD::QAR2(C)
- Refutation
- K(c);N_SPINP(e),P-FLIGHT,XP(D)
- Try
- R(F);
- Threat
- QAR1(C)
- Vars
- S(a);N_GUARD::QAB1(C)
- S(b);N_GUARD::QAR2(C)
- S(b);N_GUARD::QAR2(C),XS(b)
- Refutation
- K(c);P-FLIGHT,XP(D)
- Try
- R(F);
- Vars
- P(e);OGATEB,SBLOCK,XP(D)::R(F)
- S(b);N_GUARD::QAR2(C),XS(b)
- S(a);N_GUARD::QAB1(C)
- S(a);N_GUARD::QAB1(C),XS(a)
- S(b);N_GUARD::QAR2(C)
- Refutation
- K(c);P-FLIGHT,XP(D)
- Try
- R(F);
- Vars
- P(e);OGATEB,SBLOCK,XP(D)::R(F)
- S(b);N_GUARD::QAR2(C),XS(b)
- S(a);N_GUARD::QAB1(C)
- S(a);N_GUARD::QAB1(C),XS(a)
- S(b);N_GUARD::QAR2(C)
- Refutation
- K(c);P-FLIGHT,XP(D)
- Try
- Q(C);CHECK,XP(d)
- Vars
- S(b);N_GUARD,P_SPINS(b)::QAR2(C),XS(b)
- Refutation
- K(c);S_FLIGHT
- Try
- P(D);
- Vars
- S(b);N_GUARD::QAR2(C),XS(b)
- S(a);N_GUARD::QAB1(C)
- S(a);N_GUARD::QAB1(C),XS(a)
- S(b);N_GUARD::QAR2(C)
- Refutation
- K(c);P-FLIGHT
- Try
- Actual
- R(F);
- Vars
- P(e);XP(D)::QAB1(C)
- S(b);N_GUARD::QAR2(C),XS(b)
- S(a);N_GUARD::QAB1(C)
- S(a);N_GUARD::QAB1(C),XS(a)
- S(b);N_GUARD::QAR2(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).