MESON Chess Problem Database
Problem Display
PID: 110684 (8/5Qp1/K2p4/1Prpk1P1/1N6/5P2/3P2N1/8 w - - 0 1)
Bajtay, Jozsef
British Chess Magazine, 1952
#2
8 + 5
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Kd4
- 2.Qf4#
- 1...Rc1
- 2.Qxd5#
- 1...Rc2
- 2.Qxd5#
- 1...Rc3
- 2.Qxd5#
- 1...Rc4
- 2.Qxd5#
- 1...Rxb5
- 2.Sc6#
- 1...Rc6+
- 2.Sxc6#
- 1...Rc7
- 2.Qxd5#
- 1...Rc8
- 2.Qxd5#
- 1...d4
- 2.Sd3#
- 1...g6
- 2.Qf6#
- 1...Kd4
- Tries
- 1.Ka5?
- 1...Kd4
- 2.Qf4#
- 1...Rc1
- 2.Qxd5#
- 1...Rc2
- 2.Qxd5#
- 1...Rc3
- 2.Qxd5#
- 1...Rc4
- 2.Qxd5#
- 1...Rc6
- 2.Sxc6#
- 2.Qxd5#
- 1...Rc7
- 2.Qxd5#
- 1...Rc8
- 2.Qxd5#
- 1...d4
- 2.Sd3#
- 1...g6
- 2.Qf6#
- 1...Rxb5+!
- 1...Kd4
- 1.Kb6?
- 1...Rc6+
- 2.Sxc6#
- 1...Kd4
- 2.Qf4#
- 1...Rc1
- 2.Qxd5#
- 1...Rc2
- 2.Qxd5#
- 1...Rc3
- 2.Qxd5#
- 1...Rc4
- 2.Qxd5#
- 1...Rc7
- 2.Qxd5#
- 1...Rc8
- 2.Qxd5#
- 1...d4
- 2.Sd3#
- 1...g6
- 2.Qf6#
- 1...Rxb5+!
- 1...Rc6+
- 1.Ka7?
- 1...Kd4
- 2.Qf4#
- 1...Rxb5
- 2.Sc6#
- 1...Rc1
- 2.Qxd5#
- 1...Rc2
- 2.Qxd5#
- 1...Rc3
- 2.Qxd5#
- 1...Rc4
- 2.Qxd5#
- 1...Rc6
- 2.Sxc6#
- 2.Qxd5#
- 1...Rc8
- 2.Qxd5#
- 1...d4
- 2.Sd3#
- 1...g6
- 2.Qf6#
- 1...Rc7+!
- 1...Kd4
- 1.Qf5+?
- 1...Kd4
- 2.Qf4#
- 1...Kxf5!
- 1...Kd4
- 1.Qxg7+?
- 1...Kf5
- 2.Qf6#
- 1...Ke6!
- 1...Kf5
- 1.b6?
- 1...Kd4
- 2.Qf4#
- 1...Rc1
- 2.Qxd5#
- 1...Rc2
- 2.Qxd5#
- 1...Rc3
- 2.Qxd5#
- 1...Rc4
- 2.Qxd5#
- 1...Rb5
- 2.Sc6#
- 1...Rc6
- 2.Sxc6#
- 2.Qxd5#
- 1...Rc7
- 2.Qxd5#
- 1...Rc8
- 2.Qxd5#
- 1...d4
- 2.Sd3#
- 1...g6
- 2.Qf6#
- 1...Ra5+!
- 1...Kd4
- 1.Ka5?
- Keys
- 1.d3!
- 1...Rc6+
- 2.Sxc6#
- 1...Kd4
- 2.Qxg7#
- 1...Rxb5
- 2.Sc6#
- 1...Rc1
- 2.Qxd5#
- 1...Rc2
- 2.Qxd5#
- 1...Rc3
- 2.Qxd5#
- 1...Rc4
- 2.Qxd5#
- 1...Rc7
- 2.Qxd5#
- 1...Rc8
- 2.Qxd5#
- 1...d4
- 2.f4#
- 1...g6
- 2.Qf6#
- 1...Rc6+
- 1.d3!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 2
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- K(c);S_FLIGHT::QAR2(H)
- R(a);N_GUARD::QAR1(H),XP(b)
- R(a);N_GUARD,XP(E)::S(D)
- R(a);CHECK,N_GUARD::S(D),XR(a)
- P(b);SBLOCK::S(D)
- P(e);N_GUARD::QAB1(H)
- Tries
- Try
- K(G);P-FLIGHT,P_SPINP(E)
- Vars
- K(c);S_FLIGHT::QAR2(H)
- R(a);N_GUARD,N_PINP(E)::QAR1(H),XP(b)
- P(b);SBLOCK::S(D)
- P(e);N_GUARD::QAB1(H)
- Refutation
- R(a);CHECK,XP(E)
- Try
- K(G);P-FLIGHT
- Vars
- R(a);CHECK,N_GUARD::S(D),XR(a)
- K(c);S_FLIGHT::QAR2(H)
- R(a);N_GUARD::QAR1(H),XP(b)
- P(b);SBLOCK::S(D)
- P(e);N_GUARD::QAB1(H)
- Refutation
- R(a);CHECK,XP(E)
- Try
- K(G);P-FLIGHT
- Vars
- K(c);S_FLIGHT::QAR2(H)
- R(a);N_GUARD,XP(E)::S(D)
- R(a);N_GUARD::QAR1(H),XP(b)
- P(b);SBLOCK::S(D)
- P(e);N_GUARD::QAB1(H)
- Refutation
- R(a);CHECK
- Try
- Q(H);CHECK
- Vars
- K(c);S_FLIGHT::QAR2(H)
- Refutation
- K(c);P-FLIGHT,XQ(H)
- Try
- Q(H);CHECK,XP(e)
- Vars
- K(c);P-FLIGHT::QAR1(H)
- Refutation
- K(c);P-FLIGHT
- Try
- P(E);
- Vars
- K(c);S_FLIGHT::QAR2(H)
- R(a);N_GUARD::QAR1(H),XP(b)
- R(a);N_GUARD::S(D)
- P(b);SBLOCK::S(D)
- P(e);N_GUARD::QAB1(H)
- Refutation
- R(a);CHECK
- Try
- Actual
- P(A);
- Vars
- R(a);CHECK,N_GUARD::S(D),XR(a)
- K(c);S_FLIGHT::QAB(H),XP(e)
- R(a);N_GUARD,XP(E)::S(D)
- R(a);N_GUARD::QAR1(H),XP(b)
- P(b);SBLOCK::P(C)
- P(e);N_GUARD::QAB1(H)
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).