MESON Chess Problem Database
Problem Display
PID: 243589 (8/8/Q7/P1PPP3/1pR1p3/1Nq2p2/K1kP1p2/2N2R2 w - - 0 1)
Bajtay, Jozsef
Magyar Sakkvilag, 1928
#2
11 + 6
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Qxc4
- 2.Qxc4#
- 1...e3
- 2.Qg6#
- 1...Qxc4
- Tries
- 1.Se2?
- 1...Kd3
- 2.Rxc3#
- 1...Qxc4
- 2.Qxc4#
- 1...e3
- 2.Qg6#
- 1...fxe2!
- 1...Kd3
- 1.Qb5?
- 1...Qxc4
- 2.Qxc4#
- 1...e3!
- 1...Qxc4
- 1.Qb7?
- 1...e3
- 2.Qh7#
- 1...Qxc4!
- 1...e3
- 1.Qc8?
- 1...e3
- 2.Qf5#
- 1...Qxc4!
- 1...e3
- 1.Qb6?
- 1...e3
- 2.Qg6#
- 1...Qxc4!
- 1...e3
- 1.Qc6?
- 1...e3
- 2.Qg6#
- 1...Qxc4!
- 1...e3
- 1.Qd6?
- 1...e3
- 2.Qg6#
- 1...Qxc4!
- 1...e3
- 1.Qe6?
- 1...e3
- 2.Qf5#
- 2.Qg6#
- 1...Qxc4!
- 1...e3
- 1.Qf6?
- 1...e3
- 2.Qf5#
- 2.Qg6#
- 1...Qxc4!
- 1...e3
- 1.Qh6?
- threat
- 2.Sa1#
- 2.Sd4#
- 1...e3
- 2.Qg6#
- 2.Qh7#
- 1...Qxc4!
- threat
- 1.Qa7?
- 1...e3
- 2.Qh7#
- 1...Qxc4!
- 1...e3
- 1.d4?
- 1...Qxc4
- 2.Qxc4#
- 1...e3
- 2.Qg6#
- 1...exd4 ep!
- 1...Qxc4
- 1.c6?
- 1...Qxc4
- 2.Qxc4#
- 1...e3!
- 1...Qxc4
- 1.d6?
- 1...Qxc4
- 2.Qxc4#
- 1...e3!
- 1...Qxc4
- 1.e6?
- 1...Qxc4
- 2.Qxc4#
- 1...e3!
- 1...Qxc4
- 1.Se2?
- Keys
- 1.Sd3!
- threat
- 2.Sxb4#
- 1...Kxd3
- 2.Rxc3#
- 1...Qxc4
- 2.Qxc4#
- 1...exd3
- 2.Rc1#
- threat
- 1.Sd3!
FEATURES
- Static
- TYPE = BLOCK_THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 1
- Sets
- Q(c);N_SPINQ(c),OGATE,P_PINS(E),XR(F)::QAR2(K),XQ(c)
- P(f);OGATEB::QAB(K)
- Tries
- Try
- S(A);
- Vars
- K(a);N_SPINQ(c),S_FLIGHT::QAB(K)+R(F),DCHECK,XQ(c)
- Q(c);N_SPINQ(c),OGATE,P_PINS(E),XR(F)::QAR2(K),XQ(c)
- P(f);OGATEB::QAB(K)
- Refutation
- P(d);XS(A)
- Try
- Q(K);
- Vars
- Q(c);N_SPINQ(c),OGATE,P_PINS(E),XR(F)::QAR2(K),XQ(c)
- Refutation
- P(f);
- Try
- Q(K);
- Vars
- P(f);OGATEB::QAB(K)
- Refutation
- Q(c);N_SPINQ(c),P_PINS(E),XR(F)
- Try
- Q(K);
- Vars
- P(f);OGATEB::QAB(K)
- Refutation
- Q(c);N_SPINQ(c),P_PINS(E),XR(F)
- Try
- Q(K);
- Vars
- P(f);OGATEB::QAB(K)
- Refutation
- Q(c);N_SPINQ(c),P_PINS(E),XR(F)
- Try
- Q(K);
- Vars
- P(f);OGATEB::QAB(K)
- Refutation
- Q(c);N_SPINQ(c),P_PINS(E),XR(F)
- Try
- Q(K);
- Vars
- P(f);OGATEB::QAB(K)
- Refutation
- Q(c);N_SPINQ(c),P_PINS(E),XR(F)
- Try
- Q(K);
- Refutation
- Q(c);N_SPINQ(c),P_PINS(E),XR(F)
- Try
- Q(K);
- Refutation
- Q(c);N_SPINQ(c),P_PINS(E),XR(F)
- Try
- Q(K);
- Threat
- DUALS(2)
- Refutation
- Q(c);N_SPINQ(c),P_PINS(E),XR(F)
- Try
- Q(K);
- Vars
- P(f);OGATEB::QAB(K)
- Refutation
- Q(c);N_SPINQ(c),P_PINS(E),XR(F)
- Try
- P(D);
- Vars
- Q(c);N_SPINQ(c),OGATE,P_PINS(E),XR(F)::QAR2(K),XQ(c)
- P(f);OGATEB::QAB(K)
- Refutation
- P(f);EP,XP(D)
- Try
- P(H);
- Vars
- Q(c);N_SPINQ(c),OGATE,P_PINS(E),XR(F)::QAR2(K),XQ(c)
- Refutation
- P(f);
- Try
- P(I);
- Vars
- Q(c);N_SPINQ(c),OGATE,P_PINS(E),XR(F)::QAR2(K),XQ(c)
- Refutation
- P(f);
- Try
- P(J);
- Vars
- Q(c);N_SPINQ(c),OGATE,P_PINS(E),XR(F)::QAR2(K),XQ(c)
- Refutation
- P(f);
- Try
- Actual
- S(A);
- Threat
- S(A),XP(e)
- Vars
- K(a);N_SPINQ(c),S_FLIGHT,XS(A)::QAB(K)+R(F),DCHECK,XQ(c)
- Q(c);N_SPINQ(c),OGATE,P_PINS(E),XR(F)::QAR2(K),XQ(c)
- P(f);SBLOCK,XS(A)::R1(B)
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).