MESON Chess Problem Database
Problem Display
PID: 15437 (8/1Bn2N2/1pP3n1/p2k2p1/pP1p2p1/2RNRp2/1p6/1K1Q4 w - - 0 1)
Sallay, Bela Albert
18th Place, 02. WCCT, 1980-1983
#2
9 + 11
| 264 | Magyar Sakkelet | 1983 |
SOLUTION
- SOUND
- Sets
- 1...Sf4
- 2.Re5#
- 1...Sh4
- 2.Re5#
- 1...Se5
- 2.Rxe5#
- 1...Se7
- 2.Re5#
- 1...Sf8
- 2.Re5#
- 1...Sh8
- 2.Re5#
- 1...Sb5
- 2.c7#
- 1...Sa6
- 2.c7#
- 1...Se6
- 2.c7#
- 1...Sa8
- 2.c7#
- 1...Se8
- 2.c7#
- 1...f2
- 2.Qh1#
- 1...a3
- 2.Qb3#
- 1...dxc3
- 2.Sxb2#
- 1...dxe3
- 2.Sc5#
- 1...g3
- 2.Qxf3#
- 1...axb4
- 2.Sxb4#
- 1...b5
- 2.Rc5#
- 1...Sf4
- Tries
- 1.Sxb2?
- 1...Se5
- 2.Rxe5#
- 1...d3
- 2.Rcxd3#
- 2.Qxd3#
- 1...Sf4
- 2.Re5#
- 1...Sh4
- 2.Re5#
- 1...Se7
- 2.Re5#
- 1...Sf8
- 2.Re5#
- 1...Sh8
- 2.Re5#
- 1...Sb5
- 2.c7#
- 1...Sa6
- 2.c7#
- 1...Se6
- 2.c7#
- 1...Sa8
- 2.c7#
- 1...Se8
- 2.c7#
- 1...f2
- 2.Qh1#
- 1...a3
- 2.Qb3#
- 1...g3
- 2.Qxf3#
- 1...b5
- 2.Rc5#
- 1...axb4!
- 1...Se5
- 1.Sf2?
- 1...Se5
- 2.Rxe5#
- 1...d3
- 2.Qxd3#
- 1...Sf4
- 2.Re5#
- 1...Sh4
- 2.Re5#
- 1...Se7
- 2.Re5#
- 1...Sf8
- 2.Re5#
- 1...Sh8
- 2.Re5#
- 1...Sb5
- 2.c7#
- 1...Sa6
- 2.c7#
- 1...Se6
- 2.c7#
- 1...Sa8
- 2.c7#
- 1...Se8
- 2.c7#
- 1...a3
- 2.Qb3#
- 1...g3
- 2.Qxf3#
- 1...b5
- 2.Rc5#
- 1...axb4!
- 1...Se5
- 1.Sf4+?
- 1...Sxf4
- 2.Re5#
- 1...gxf4!
- 1...Sxf4
- 1.Ba8?
- 1...dxc3
- 2.Sxb2#
- 1...dxe3
- 2.Sc5#
- 1...axb4
- 2.Sxb4#
- 1...Se5
- 2.Rxe5#
- 1...Sf4
- 2.Re5#
- 1...Sh4
- 2.Re5#
- 1...Se7
- 2.Re5#
- 1...Sf8
- 2.Re5#
- 1...Sh8
- 2.Re5#
- 1...Sb5
- 2.c7#
- 1...Sa6
- 2.c7#
- 1...Se6
- 2.c7#
- 1...Se8
- 2.c7#
- 1...f2
- 2.Qh1#
- 1...a3
- 2.Qb3#
- 1...g3
- 2.Qxf3#
- 1...b5
- 2.Rc5#
- 1...Sxa8!
- 1...dxc3
- 1.Rc2?
- 1...dxe3
- 2.Sc5#
- 1...axb4
- 2.Sxb4#
- 1...Se5
- 2.Rxe5#
- 1...Sf4
- 2.Re5#
- 1...Sh4
- 2.Re5#
- 1...Se7
- 2.Re5#
- 1...Sf8
- 2.Re5#
- 1...Sh8
- 2.Re5#
- 1...Sb5
- 2.c7#
- 1...Sa6
- 2.c7#
- 1...Se6
- 2.c7#
- 1...Sa8
- 2.c7#
- 1...Se8
- 2.c7#
- 1...f2
- 2.Qh1#
- 1...g3
- 2.Qxf3#
- 1...b5
- 2.Rc5#
- 1...a3!
- 1...dxe3
- 1.Re1?
- 1...dxc3
- 2.Sxb2#
- 1...axb4
- 2.Sxb4#
- 1...Se5
- 2.Rxe5#
- 1...Sf4
- 2.Re5#
- 1...Sh4
- 2.Re5#
- 1...Se7
- 2.Re5#
- 1...Sf8
- 2.Re5#
- 1...Sh8
- 2.Re5#
- 1...Sb5
- 2.c7#
- 1...Sa6
- 2.c7#
- 1...Se6
- 2.c7#
- 1...Sa8
- 2.c7#
- 1...Se8
- 2.c7#
- 1...a3
- 2.Qb3#
- 1...g3
- 2.Qxf3#
- 1...b5
- 2.Rc5#
- 1...f2!
- 1...dxc3
- 1.Re7?
- 1...dxc3
- 2.Sxb2#
- 1...axb4
- 2.Sxb4#
- 1...Se5
- 2.Rxe5#
- 1...Se6
- 2.c7#
- 1...f2
- 2.Qh1#
- 1...Sf4
- 2.Re5#
- 1...Sh4
- 2.Re5#
- 1...Sf8
- 2.Re5#
- 1...Sh8
- 2.Re5#
- 1...Sb5
- 2.c7#
- 1...Sa6
- 2.c7#
- 1...Sa8
- 2.c7#
- 1...Se8
- 2.c7#
- 1...a3
- 2.Qb3#
- 1...g3
- 2.Qxf3#
- 1...b5
- 2.Rc5#
- 1...Sxe7!
- 1...dxc3
- 1.bxa5?
- threat
- 2.Sb4#
- 1...dxe3
- 2.Sc5#
- 1...bxa5
- 2.Rc5#
- 1...Se5
- 2.Rxe5#
- 1...Sa6
- 2.c7#
- 1...dxc3!
- threat
- 1.b5?
- 1...Sxb5
- 2.c7#
- 1...dxe3
- 2.Sc5#
- 1...Se5
- 2.Rxe5#
- 1...f2
- 2.Qh1#
- 1...Sf4
- 2.Re5#
- 1...Sh4
- 2.Re5#
- 1...Se7
- 2.Re5#
- 1...Sf8
- 2.Re5#
- 1...Sh8
- 2.Re5#
- 1...Sa6
- 2.c7#
- 1...Se6
- 2.c7#
- 1...Sa8
- 2.c7#
- 1...Se8
- 2.c7#
- 1...a3
- 2.Qb3#
- 1...g3
- 2.Qxf3#
- 1...dxc3!
- 1...Sxb5
- 1.Sxb2?
- Keys
- 1.Bc8!
- 1...dxc3
- 2.Sde5#
- 1...dxe3
- 2.Sf2#
- 1...axb4
- 2.Sxb4#
- 1...Sf4
- 2.Re5#
- 1...Sh4
- 2.Re5#
- 1...Se5
- 2.Rxe5#
- 1...Se7
- 2.Re5#
- 1...Sf8
- 2.Re5#
- 1...Sh8
- 2.Re5#
- 1...Sb5
- 2.Be6#
- 1...Sa6
- 2.Be6#
- 1...Se6
- 2.Bxe6#
- 1...Sa8
- 2.Be6#
- 1...Se8
- 2.Be6#
- 1...f2
- 2.Qh1#
- 1...a3
- 2.Qb3#
- 1...g3
- 2.Qxf3#
- 1...b5
- 2.Rc5#
- 1...dxc3
- 1.Bc8!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 7
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- S(j);N_GUARD::R1(E)
- S(j);N_GUARD::R1(E),XS(j)
- S(k);OGATE::B(H)+P(G)
- P(b);OGATEB::QAB(B)
- P(c);N_GUARD::QAB(B)
- P(d);XR(C)::QAR(B)+S(D),XP(a)
- P(d);XR(E)::QAR(B)+S(D)
- P(e);N_GUARD::QAB(B),XP(b)
- P(f);XP(F)::S(D),XP(f)
- P(i);N_GUARD::R1(C)
- Tries
- Try
- S(D);P_PINP(d),XP(a)
- Vars
- S(j);N_GUARD::R1(E),XS(j)
- S(j);N_GUARD::R1(E)
- S(k);OGATE::B(H)+P(G)
- P(b);OGATEB::QAB(B)
- P(c);N_GUARD::QAB(B)
- P(e);N_GUARD::QAB(B),XP(b)
- P(i);N_GUARD::R1(C)
- Refutation
- P(f);XP(F)
- Try
- S(D);P_PINP(d)
- Vars
- S(j);N_GUARD::R1(E),XS(j)
- P(d);OGATEB::QAR2(B),XP(d)
- S(j);N_GUARD::R1(E)
- S(k);OGATE::B(H)+P(G)
- P(c);N_GUARD::QAB(B)
- P(e);N_GUARD::QAB(B),XP(b)
- P(i);N_GUARD::R1(C)
- Refutation
- P(f);XP(F)
- Try
- S(D);CHECK,P_PINP(d)
- Vars
- S(j);XS(D)::R1(E)
- Refutation
- P(h);XS(D)
- Try
- B(H);
- Vars
- P(d);XR(C)::QAR(B)+S(D),XP(a)
- P(d);XR(E)::QAR(B)+S(D)
- P(f);XP(F)::S(D),XP(f)
- S(j);N_GUARD::R1(E),XS(j)
- S(j);N_GUARD::R1(E)
- S(k);OGATE::B(H)+P(G)
- P(b);OGATEB::QAB(B)
- P(c);N_GUARD::QAB(B)
- P(e);N_GUARD::QAB(B),XP(b)
- P(i);N_GUARD::R1(C)
- Refutation
- S(k);XB(H)
- Try
- R(C);
- Vars
- P(d);XR(E)::QAR(B)+S(D)
- P(f);XP(F)::S(D),XP(f)
- S(j);N_GUARD::R1(E),XS(j)
- S(j);N_GUARD::R1(E)
- S(k);OGATE::B(H)+P(G)
- P(b);OGATEB::QAB(B)
- P(e);N_GUARD::QAB(B),XP(b)
- P(i);N_GUARD::R1(C)
- Refutation
- P(c);
- Try
- R(E);
- Vars
- P(d);XR(C)::QAR(B)+S(D),XP(a)
- P(f);XP(F)::S(D),XP(f)
- S(j);N_GUARD::R1(E),XS(j)
- S(j);N_GUARD::R1(E)
- S(k);OGATE::B(H)+P(G)
- P(c);N_GUARD::QAB(B)
- P(e);N_GUARD::QAB(B),XP(b)
- P(i);N_GUARD::R1(C)
- Refutation
- P(b);
- Try
- R(E);
- Vars
- P(d);XR(C)::QAR(B)+S(D),XP(a)
- P(f);XP(F)::S(D),XP(f)
- S(j);N_GUARD::R1(E),XS(j)
- S(k);OGATE::B(H)+P(G)
- P(b);OGATEB::QAB(B)
- S(j);N_GUARD::R1(E)
- P(c);N_GUARD::QAB(B)
- P(e);N_GUARD::QAB(B),XP(b)
- P(i);N_GUARD::R1(C)
- Refutation
- S(j);XR(E)
- Try
- P(F);XP(f)
- Threat
- S(D)
- Vars
- P(d);XR(E)::QAR(B)+S(D)
- P(i);N_GUARD,XP(F)::R1(C)
- S(j);N_GUARD::R1(E),XS(j)
- S(k);OGATE::B(H)+P(G)
- Refutation
- P(d);XR(C)
- Try
- P(F);
- Vars
- S(k);OGATE,XP(F)::B(H)+P(G)
- P(d);XR(E)::QAR(B)+S(D)
- S(j);N_GUARD::R1(E),XS(j)
- P(b);OGATEB::QAB(B)
- S(j);N_GUARD::R1(E)
- S(k);OGATE::B(H)+P(G)
- P(c);N_GUARD::QAB(B)
- P(e);N_GUARD::QAB(B),XP(b)
- Refutation
- P(d);XR(C)
- Try
- Actual
- B(H);
- Vars
- P(d);XR(C)::QAR(B)+S(D)
- P(d);XR(E)::QAR(B)+S(D)
- P(f);XP(F)::S(D),XP(f)
- S(j);N_GUARD::R1(E)
- S(j);N_GUARD::R1(E),XS(j)
- S(k);N_GUARD::B(H)
- S(k);N_GUARD::B(H),XS(k)
- P(b);OGATEB::QAB(B)
- P(c);N_GUARD::QAB(B)
- P(e);N_GUARD::QAB(B),XP(b)
- P(i);N_GUARD::R1(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).