MESON Chess Problem Database
Problem Display
PID: 194275 (2N1R3/2pp4/2N5/1BpkpP2/6n1/Q1p1nP2/4P3/6K1 w - - 0 1)
Takacs, Peter
Magyar Sakkvilag, 1917
#2
9 + 8
| 6490 | yacpdb | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Sd1
- 2.e4#
- 1...Sf1
- 2.e4#
- 1...Sc2
- 2.e4#
- 1...Sg2
- 2.e4#
- 1...Sc4
- 2.e4#
- 1...Sxf5
- 2.e4#
- 1...Sf2
- 2.Rxe5#
- 1...Sh2
- 2.Rxe5#
- 1...Sf6
- 2.Rxe5#
- 1...Sh6
- 2.Rxe5#
- 1...c2
- 2.Qd3#
- 1...c4
- 2.S8e7#
- 1...e4
- 2.fxe4#
- 1...dxc6
- 2.Rd8#
- 1...d6
- 2.S8e7#
- 1...Sd1
- Tries
- 1.Kh1?
- 1...Sxf5
- 2.e4#
- 1...dxc6
- 2.Rd8#
- 1...Sd1
- 2.e4#
- 1...Sf1
- 2.e4#
- 1...Sc2
- 2.e4#
- 1...Sg2
- 2.e4#
- 1...Sc4
- 2.e4#
- 1...Sh2
- 2.Rxe5#
- 1...Sf6
- 2.Rxe5#
- 1...Sh6
- 2.Rxe5#
- 1...c2
- 2.Qd3#
- 1...c4
- 2.S8e7#
- 1...e4
- 2.fxe4#
- 1...d6
- 2.S8e7#
- 1...Sf2+!
- 1...Sxf5
- 1.Re7?
- threat
- 2.Rxd7#
- 1...Sxf5
- 2.e4#
- 1...dxc6
- 2.Rd7#
- 1...Sc4
- 2.e4#
- 1...Sf6
- 2.Rxe5#
- 1...d6!
- threat
- 1.Qc1?
- 1...Sxf5
- 2.e4#
- 1...dxc6
- 2.Rd8#
- 1...Sf2
- 2.Rxe5#
- 1...Sd1
- 2.Qxd1#
- 2.e4#
- 1...Sf1
- 2.e4#
- 1...Sc2
- 2.e4#
- 1...Sg2
- 2.Qd1#
- 2.e4#
- 1...Sc4
- 2.e4#
- 1...Sh2
- 2.Rxe5#
- 1...Sf6
- 2.Rxe5#
- 1...Sh6
- 2.Rxe5#
- 1...c2
- 2.Qd2#
- 1...e4
- 2.fxe4#
- 1...d6
- 2.S8e7#
- 1...c4!
- 1...Sxf5
- 1.Qb4?
- threat
- 2.S6e7#
- 2.Qe4#
- 1...Sxf5
- 2.Qc4#
- 2.Qe4#
- 2.e4#
- 1...dxc6
- 2.Rd8#
- 2.Qe4#
- 1...Sf2
- 2.S6e7#
- 2.Rxe5#
- 1...Sc4
- 2.Qxc4#
- 2.e4#
- 1...Sf6
- 2.S6e7#
- 2.Rxe5#
- 1...c4
- 2.S8e7#
- 1...e4
- 2.Qxe4#
- 2.fxe4#
- 1...cxb4!
- threat
- 1.Qa1?
- 1...Sxf5
- 2.e4#
- 1...dxc6
- 2.Rd8#
- 1...Sf2
- 2.Rxe5#
- 1...Sd1
- 2.Qxd1#
- 2.e4#
- 1...Sf1
- 2.e4#
- 1...Sc2
- 2.e4#
- 1...Sg2
- 2.Qd1#
- 2.e4#
- 1...Sc4
- 2.e4#
- 1...Sh2
- 2.Rxe5#
- 1...Sf6
- 2.Rxe5#
- 1...Sh6
- 2.Rxe5#
- 1...c2
- 2.S6e7#
- 1...e4
- 2.fxe4#
- 1...d6
- 2.S8e7#
- 1...c4!
- 1...Sxf5
- 1.Qa2+?
- 1...Sc4
- 2.Qxc4#
- 2.e4#
- 1...c4!
- 1...Sc4
- 1.Qb3+?
- 1...Sc4
- 2.Qxc4#
- 2.e4#
- 1...c4!
- 1...Sc4
- 1.Qxc3?
- threat
- 2.S6e7#
- 2.Qd2#
- 2.Qd3#
- 1...Sxf5
- 2.Qc4#
- 2.e4#
- 1...dxc6
- 2.Rd8#
- 2.Qd2#
- 2.Qd3#
- 1...Sf2
- 2.S6e7#
- 2.Rxe5#
- 2.Qxe5#
- 1...Sf1
- 2.S6e7#
- 2.Qd3#
- 2.Qc4#
- 2.e4#
- 1...Sc2
- 2.S6e7#
- 2.Qc4#
- 2.e4#
- 1...Sc4
- 2.S6e7#
- 2.Qd3#
- 2.Qxc4#
- 2.e4#
- 1...e4
- 2.S6e7#
- 2.Qd2#
- 2.fxe4#
- 1...c4!
- threat
- 1.Qa4?
- threat
- 2.S6e7#
- 2.Qe4#
- 1...Sxf5
- 2.Bc4#
- 2.Qc4#
- 2.Qe4#
- 2.e4#
- 1...dxc6
- 2.Bxc6#
- 2.Rd8#
- 2.Qe4#
- 1...Sf2
- 2.S6e7#
- 2.Rxe5#
- 1...Sc4
- 2.Bxc4#
- 2.Qxc4#
- 2.e4#
- 1...Sf6
- 2.S6e7#
- 2.Rxe5#
- 1...e4
- 2.Qxe4#
- 2.fxe4#
- 1...c4!
- threat
- 1.Qa7?
- 1...Sxf5
- 2.e4#
- 1...dxc6
- 2.Rd8#
- 1...Sf2
- 2.Rxe5#
- 1...Sd1
- 2.e4#
- 1...Sf1
- 2.e4#
- 1...Sc2
- 2.e4#
- 1...Sg2
- 2.e4#
- 1...Sc4
- 2.e4#
- 1...Sh2
- 2.Rxe5#
- 1...Sf6
- 2.Rxe5#
- 1...Sh6
- 2.Rxe5#
- 1...c4
- 2.Sb4#
- 2.S6e7#
- 1...e4
- 2.fxe4#
- 1...d6
- 2.S8e7#
- 1...c2!
- 1...Sxf5
- 1.Kh1?
- Keys
- 1.Qa5!
- 1...Sxf5
- 2.e4#
- 1...dxc6
- 2.Rd8#
- 1...c4
- 2.Ba4#
- 1...Sf2
- 2.Rxe5#
- 1...Sd1
- 2.e4#
- 1...Sf1
- 2.e4#
- 1...Sc2
- 2.e4#
- 1...Sg2
- 2.e4#
- 1...Sc4
- 2.e4#
- 1...Sh2
- 2.Rxe5#
- 1...Sf6
- 2.Rxe5#
- 1...Sh6
- 2.Rxe5#
- 1...c2
- 2.Qd2#
- 1...e4
- 2.fxe4#
- 1...d6
- 2.S8e7#
- 1...Sxf5
- 1.Qa5!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 2
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- S(b);OGATE::P(B)
- S(b);OGATE,XP(F)::P(B)
- S(c);N_GUARD::R1(I),XP(f)
- P(a);OGATE::QAR2(C)
- P(d);::S(H)
- P(f);OGATE::P(D),XP(f)
- P(h);OGATEB,XS(G)::R(I)
- P(h);SBLOCK::S(H)
- Tries
- Try
- K(A);P-FLIGHT
- Vars
- S(b);OGATE,XP(F)::P(B)
- P(h);OGATEB,XS(G)::R(I)
- S(b);OGATE::P(B)
- S(c);N_GUARD::R1(I),XP(f)
- P(a);OGATE::QAR2(C)
- P(d);::S(H)
- P(f);OGATE::P(D),XP(f)
- P(h);SBLOCK::S(H)
- Refutation
- S(c);CHECK
- Try
- R(I);
- Threat
- R(I),XP(h)
- Vars
- S(b);OGATE,XP(F)::P(B)
- P(h);XS(G)::R(I)
- S(b);OGATE::P(B)
- S(c);N_GUARD::R1(I),XP(f)
- Refutation
- P(h);
- Try
- Q(C);
- Vars
- S(b);OGATE,XP(F)::P(B)
- P(h);OGATEB,XS(G)::R(I)
- S(c);N_GUARD::R1(I),XP(f)
- S(b);OGATE::P(B)
- P(a);N_GUARD::QAR(C)
- P(f);OGATE::P(D),XP(f)
- P(h);SBLOCK::S(H)
- Refutation
- P(d);
- Try
- Q(C);
- Threat
- DUALS(2)
- Vars
- P(d);::S(H)
- Refutation
- P(d);XQ(C)
- Try
- Q(C);
- Vars
- S(b);OGATE,XP(F)::P(B)
- P(h);OGATEB,XS(G)::R(I)
- S(c);N_GUARD::R1(I),XP(f)
- S(b);OGATE::P(B)
- P(a);::S(G)
- P(f);OGATE::P(D),XP(f)
- P(h);SBLOCK::S(H)
- Refutation
- P(d);
- Try
- Q(C);CHECK
- Refutation
- P(d);P_SPINP(d)
- Try
- Q(C);CHECK
- Refutation
- P(d);P_SPINP(d)
- Try
- Q(C);XP(a)
- Threat
- DUALS(3)
- Refutation
- P(d);
- Try
- Q(C);
- Threat
- DUALS(2)
- Refutation
- P(d);
- Try
- Q(C);
- Vars
- S(b);OGATE,XP(F)::P(B)
- P(h);OGATEB,XS(G)::R(I)
- S(c);N_GUARD::R1(I),XP(f)
- S(b);OGATE::P(B)
- P(f);OGATE::P(D),XP(f)
- P(h);SBLOCK::S(H)
- Refutation
- P(a);
- Try
- Actual
- Q(C);
- Vars
- S(b);OGATE,XP(F)::P(B)
- P(h);OGATEB,XS(G)::R(I)
- P(d);OGATEB,SBLOCK::QAR(C)+B(E)
- S(c);N_GUARD::R1(I),XP(f)
- S(b);OGATE::P(B)
- P(a);OGATE::QAR(C)
- P(f);OGATE::P(D),XP(f)
- P(h);SBLOCK::S(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).