MESON Chess Problem Database
Problem Display
PID: 239699 (bB3n2/3p2Nr/3rPRpp/Q1q3kN/5pBp/b2P1P1P/1p2K3/6R1 w - - 0 1)
Szoghy, Jozsef
Magyar Sakkelet, 1954
#2
12 + 13
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Qxa5
- 2.Bf5#
- 1...Qb5
- 2.Bf5#
- 1...Qd5
- 2.Bf5#
- 1...Qe5+
- 2.Qxe5#
- 1...Qf5
- 2.Bxf5#
- 1...Rxd3
- 2.Bxf4#
- 1...Rd4
- 2.Bf5#
- 1...Rd5
- 2.Bxf4#
- 1...Ra6
- 2.Bxf4#
- 1...Rb6
- 2.Bxf4#
- 1...Rc6
- 2.Bxf4#
- 1...Rxe6+
- 2.Bxe6#
- 1...Bxf3+
- 2.Bxf3#
- 1...Sxe6
- 2.Bxe6#
- 1...dxe6
- 2.Bxe6#
- 1...Qxa5
- Tries
- 1.Bxd6?
- threat
- 2.Bxf4#
- 1...Qe5+
- 2.Qxe5#
- 1...Bxf3+
- 2.Bxf3#
- 1...Sxe6
- 2.Bxe6#
- 1...gxh5!
- threat
- 1.Rf5+?
- 1...Qxf5
- 2.Bxf5#
- 1...gxf5!
- 1...Qxf5
- 1.Rxg6+?
- 1...Kxg6
- 2.Bf5#
- 1...Sxg6!
- 1...Kxg6
- 1.Rxf8?
- threat
- 2.Qd8#
- 1...Qe5+
- 2.Qxe5#
- 1...Rxe6+
- 2.Bxe6#
- 1...Bxf3+
- 2.Bxf3#
- 1...Qxa5
- 2.Bf5#
- 1...Rxd3
- 2.Bxf4#
- 1...gxh5
- 2.Bxh5#
- 1...dxe6
- 2.Bxe6#
- 1...Qf5
- 2.Bxf5#
- 1...Rd4
- 2.Bf5#
- 1...Rd5
- 2.Bxf4#
- 1...Ra6
- 2.Bxf4#
- 1...Rb6
- 2.Bxf4#
- 1...Rc6
- 2.Bxf4#
- 1...Rxg7!
- threat
- 1.Qxc5+?
- 1...Rd5
- 2.Bf5#
- 2.Bxf4#
- 1...Bd5
- 2.Bf5#
- 1...Bxc5!
- 1...Rd5
- 1.Bxd6?
- Keys
- 1.Rf7!
- threat
- 2.Qd8#
- 1...Qe5+
- 2.Qxe5#
- 1...Rxe6+
- 2.Bxe6#
- 1...Bxf3+
- 2.Bxf3#
- 1...Qxa5
- 2.Bf5#
- 1...Rxd3
- 2.Bxf4#
- 1...Sxe6
- 2.Bxe6#
- 1...gxh5
- 2.Bxh5#
- 1...dxe6
- 2.Bxe6#
- 1...Qf5
- 2.Bxf5#
- 1...Rd4
- 2.Bf5#
- 1...Rd5
- 2.Bxf4#
- 1...Ra6
- 2.Bxf4#
- 1...Rb6
- 2.Bxf4#
- 1...Rc6
- 2.Bxf4#
- threat
- 1.Rf7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 2
- Sets
- Q(e);N_GUARD,N_SPINQ(e),XQ(G)::R(A)+B(F)
- Q(e);N_GUARD,P_PINP(C)::R(A)+B(F)
- Q(e);N_GUARD::R(A)+B(F)
- Q(e);CHECK,OGATE::QAR2(G),XQ(e)
- Q(e);N_GUARD::R(A)+B(F),XQ(e)
- R(g);OGATE,XP(C)::B(L),XP(c)
- R(g);::R(A)+B(F)
- R(g);N_SPINQ(e),OGATE::B(L),XP(c)
- R(g);OGATE::B(L),XP(c)
- R(g);CHECK,OGATE,XP(I)::R(A)+B(F),XR(g)
- B(l);CHECK,OGATE,XP(D)::R(A)+B(F),XB(l)
- S(m);OGATE,XP(I)::R(A)+B(F),XS(m)
- P(j);OGATE,XP(I)::R(A)+B(F),XP(j)
- Tries
- Try
- B(L);XR(g)
- Threat
- B(L),XP(c)
- Vars
- Q(e);CHECK,OGATE::QAR2(G),XQ(e)
- B(l);CHECK,OGATE,XP(D)::R(A)+B(F),XB(l)
- S(m);OGATE,XP(I)::R(A)+B(F),XS(m)
- Refutation
- P(h);XS(H)
- Try
- R(J);CHECK,N_PINQ(e)
- Vars
- Q(e);OGATE,P_SPINQ(e),XR(J)::R(A)+B(F),XQ(e)
- Refutation
- P(h);XR(J)
- Try
- R(J);CHECK,XP(h)
- Vars
- K(f);N_SPINQ(e),P-FLIGHT,XR(J)::R(A)+B(F),DCHECK
- Refutation
- S(m);XR(J)
- Try
- R(J);XS(m)
- Threat
- QAB(G)
- Vars
- Q(e);CHECK,OGATE::QAR2(G),XQ(e)
- R(g);CHECK,OGATE,XP(I)::R(A)+B(F),XR(g)
- B(l);CHECK,OGATE,XP(D)::R(A)+B(F),XB(l)
- Q(e);N_GUARD,N_SPINQ(e),XQ(G)::R(A)+B(F)
- R(g);OGATE,XP(C)::B(L),XP(c)
- P(h);OGATE,XS(H)::R(A)+B(F),XP(h)
- P(j);OGATE,XP(I)::R(A)+B(F),XP(j)
- Q(e);N_GUARD::R(A)+B(F),XQ(e)
- R(g);::R(A)+B(F)
- R(g);N_SPINQ(e),OGATE::B(L),XP(c)
- R(g);OGATE::B(L),XP(c)
- Refutation
- R(k);XS(K)
- Try
- Q(G);CHECK,XQ(e)
- Vars
- B(l);P_SPINB(l)::R(A)+B(F)
- Refutation
- B(b);XQ(G)
- Try
- Actual
- R(J);
- Threat
- QAB(G)
- Vars
- Q(e);CHECK,OGATE::QAR2(G),XQ(e)
- R(g);CHECK,OGATE,XP(I)::R(A)+B(F),XR(g)
- B(l);CHECK,OGATE,XP(D)::R(A)+B(F),XB(l)
- Q(e);N_GUARD,N_SPINQ(e),XQ(G)::R(A)+B(F)
- R(g);OGATE,XP(C)::B(L),XP(c)
- S(m);OGATE,XP(I)::R(A)+B(F),XS(m)
- P(h);OGATE,XS(H)::R(A)+B(F),XP(h)
- P(j);OGATE,XP(I)::R(A)+B(F),XP(j)
- Q(e);N_GUARD::R(A)+B(F),XQ(e)
- R(g);::R(A)+B(F)
- R(g);N_SPINQ(e),OGATE::B(L),XP(c)
- R(g);OGATE::B(L),XP(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).