MESON Chess Problem Database
Problem Display
PID: 12304 (4R3/P1P2K2/1P1N1pQ1/1Bpk4/3P1r2/3rbP2/2R3N1/q7 w - - 0 1)
Szerencsics, Alois
4th HM., Sachsische Zeitung, 1977
#2
12 + 7
| 14730 | Problempalette II (Chlubna/Wenda) | 1991 |
SOLUTION
- SOUND
- Sets
- 1...Kxd4
- 2.Qxd3#
- 1...Kxd6
- 2.Rd8#
- 1...Kxd4
- Tries
- 1.Sxe3+?
- 1...Kxd4
- 2.Rc4#
- 2.Qxd3#
- 1...Kxd6
- 2.Re6#
- 2.Rd8#
- 2.dxc5#
- 2.c8S#
- 1...Rxe3!
- 1...Kxd4
- 1.Sxf4+?
- 1...Kxd4
- 2.Sf5#
- 2.Rc4#
- 2.Re4#
- 2.Qxd3#
- 2.Qe4#
- 2.Qxf6#
- 1...Kxd6
- 2.Re6#
- 2.Rd8#
- 2.Qxf6#
- 2.c8S#
- 1...Bxf4!
- 1...Kxd4
- 1.Sc4?
- threat
- 2.Rd8#
- 1...Kxd4
- 2.Rd8#
- 1...cxd4!
- threat
- 1.Se4?
- threat
- 2.Rd8#
- 1...Qxd4
- 2.a8Q#
- 2.a8B#
- 1...Rxd4
- 2.Sxe3#
- 2.Rxc5#
- 1...Bxd4
- 2.Sxf4#
- 1...cxd4
- 2.Bc6#
- 2.Rc5#
- 1...Kxd4!
- threat
- 1.Sf5?
- threat
- 2.Rxc5#
- 2.Rd8#
- 1...Qxd4
- 2.a8Q#
- 2.a8B#
- 1...Rdxd4
- 2.Sgxe3#
- 1...Rxf3
- 2.Rxc5#
- 1...Rxf5
- 2.Rd8#
- 1...Bxd4
- 2.Sxf4#
- 1...cxd4
- 2.Bc6#
- 1...Qc3
- 2.Rd8#
- 2.a8Q#
- 2.a8B#
- 1...Qc1
- 2.Rd8#
- 2.a8Q#
- 2.a8B#
- 1...Qa3
- 2.Rd8#
- 1...Rc3
- 2.Rd8#
- 1...c4
- 2.Rd8#
- 1...Rfxd4!
- threat
- 1.Sb7?
- threat
- 2.Rd8#
- 1...Kxd4
- 2.Qxd3#
- 1...Rdxd4
- 2.Sxe3#
- 2.Rxc5#
- 1...Rfxd4
- 2.Rxc5#
- 2.Qf5#
- 1...Bxd4
- 2.Sxf4#
- 1...cxd4
- 2.Bc6#
- 2.Rc5#
- 1...Qxd4!
- threat
- 1.Bc6+?
- 1...Kxd4
- 2.Sb5#
- 2.Rc4#
- 1...Kxd6
- 2.Re6#
- 1...Kxc6!
- 1...Kxd4
- 1.Rxc5+?
- 1...Kxd6
- 2.Re6#
- 2.Rd8#
- 2.c8S#
- 1...Kxd4!
- 1...Kxd6
- 1.Rd8?
- threat
- 2.Sc4#
- 2.Se4#
- 2.Sf5#
- 2.Sb7#
- 2.Sc8#
- 2.Se8#
- 1...Kxd4
- 2.Sc4#
- 1...Qxd4
- 2.Sc4#
- 1...Rdxd4
- 2.Sc4#
- 1...Rxf3
- 2.Sc4#
- 2.Se4#
- 2.Sb7#
- 2.Sc8#
- 2.Se8#
- 2.Qe4#
- 1...Rfxd4
- 2.Sc4#
- 2.Qf5#
- 1...Bxd4
- 2.Sc4#
- 1...Re4
- 2.Sc4#
- 2.Sxe4#
- 2.Sf5#
- 2.Sb7#
- 2.Sc8#
- 2.Se8#
- 2.Qxe4#
- 1...Rf5
- 2.Sc4#
- 2.Se4#
- 2.Sxf5#
- 2.Sb7#
- 2.Sc8#
- 2.Se8#
- 1...c4
- 2.Sxc4#
- 2.Se4#
- 2.Sf5#
- 2.Sb7#
- 2.Sc8#
- 2.Se8#
- 1...f5
- 2.Sc4#
- 2.Se4#
- 2.Sxf5#
- 2.Sb7#
- 2.Sc8#
- 2.Se8#
- 1...cxd4!
- threat
- 1.Qe4+?
- 1...Kxd6
- 2.Re6#
- 2.Rd8#
- 2.Qc6#
- 2.Qe6#
- 2.c8S#
- 1...Rxe4!
- 1...Kxd6
- 1.Qf5+?
- 1...Kxd4
- 2.Rc4#
- 2.Qxd3#
- 2.Qxc5#
- 1...Kxd6
- 2.Re6#
- 2.Rd8#
- 2.Qe6#
- 2.Qd7#
- 2.Qxc5#
- 2.c8S#
- 1...Rxf5!
- 1...Kxd4
- 1.a8Q+?
- 1...Kxd4
- 2.Rc4#
- 2.Qxd3#
- 1...Kxd6
- 2.Re6#
- 2.Rd8#
- 2.Qc6#
- 2.Qd8#
- 2.c8S#
- 1...Qxa8!
- 1...Kxd4
- 1.a8B+?
- 1...Kxd4
- 2.Rc4#
- 2.Qxd3#
- 1...Kxd6
- 2.Re6#
- 2.Rd8#
- 2.c8S#
- 1...Qxa8!
- 1...Kxd4
- 1.Sxe3+?
- Keys
- 1.Sc8!
- threat
- 2.Rd8#
- 1...Kxd4
- 2.Qxd3#
- 1...Qxd4
- 2.a8Q#
- 2.a8B#
- 1...Rdxd4
- 2.Sxe3#
- 1...Rfxd4
- 2.Qf5#
- 1...Bxd4
- 2.Sxf4#
- 1...cxd4
- 2.Bc6#
- threat
- 1.Sc8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 1
- Sets
- K(f);OGATEB,P-FLIGHT,XP(D)::QAR1(H),XR(b)
- K(f);OGATEB,P-FLIGHT,P_SPINP(g),XS(G)::R(L)
- Tries
- Try
- S(B);CHECK,XB(c)
- Refutation
- R(b);XS(B)
- Try
- S(B);CHECK,XR(d)
- Refutation
- B(c);XS(B)
- Try
- S(G);
- Threat
- R(L)
- Vars
- K(f);P-FLIGHT,XP(D)::R(L)
- Refutation
- P(e);XP(D)
- Try
- S(G);
- Threat
- R(L)
- Vars
- Q(a);N_GUARD,SBLOCK,XP(D)::P=Q
- B(c);N_GUARD,SBLOCK,XP(D)::S(B),XR(d)
- Refutation
- K(f);P-FLIGHT,XP(D)
- Try
- S(G);
- Threat
- DUALS(2)
- Vars
- Q(a);N_GUARD,XP(D)::P=Q
- R(b);N_GUARD,XP(D)::S(B),XB(c)
- R(d);XP(C)::R1(A),XP(e)
- R(d);XS(G)::R(L)
- B(c);N_GUARD,XP(D)::S(B),XR(d)
- P(e);XP(D)::B(E)
- Q(a);::R(L)
- R(b);::R(L)
- P(e);::R(L)
- Refutation
- R(d);XP(D)
- Try
- S(G);
- Threat
- R(L)
- Vars
- K(f);OGATEB,P-FLIGHT,XP(D)::QAR1(H),XR(b)
- B(c);N_GUARD,SBLOCK,XP(D)::S(B),XR(d)
- Refutation
- Q(a);XP(D)
- Try
- B(E);CHECK
- Vars
- K(f);P-FLIGHT,P_SPINP(g),XS(G)::R1(L)
- Refutation
- K(f);P_SPINP(e),S_FLIGHT,XB(E)
- Try
- R(A);CHECK,XP(e)
- Refutation
- K(f);P-FLIGHT,XP(D)
- Try
- R(L);
- Threat
- DUALS(6)
- Vars
- K(f);P-FLIGHT,XP(D)::R(L)+S(G)
- Q(a);SBLOCK,XP(D)::R(L)+S(G)
- R(b);SBLOCK,XP(D)::R(L)+S(G)
- B(c);SBLOCK,XP(D)::R(L)+S(G)
- Refutation
- P(e);XP(D)
- Try
- Q(H);CHECK
- Refutation
- R(d);XQ(H)
- Try
- Q(H);CHECK
- Refutation
- R(d);XQ(H)
- Try
- P(I);CHECK
- Refutation
- Q(a);XQ(I)
- Try
- P(I);CHECK
- Refutation
- Q(a);XB(I)
- Try
- Actual
- S(G);
- Threat
- R(L)
- Vars
- K(f);OGATEB,P-FLIGHT,XP(D)::QAR1(H),XR(b)
- Q(a);N_GUARD,SBLOCK,XP(D)::P=Q
- R(b);N_GUARD,SBLOCK,XP(D)::S(B),XB(c)
- R(d);N_GUARD,SBLOCK,XP(D)::QAR2(H)
- B(c);N_GUARD,SBLOCK,XP(D)::S(B),XR(d)
- P(e);SBLOCK,XP(D)::B(E)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
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