MESON Chess Problem Database
Problem Display
PID: 227657 (3n4/2N4p/7R/4k3/1p1p1ppN/5Pp1/2P1P1K1/4Q3 w - - 0 1)
Csontos, Jeno
Magyar Sakkvilag, 1926
#2
8 + 8
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Sc6
- 2.Re6#
- 1...Se6
- 2.Rxe6#
- 1...Sb7
- 2.Re6#
- 1...Sf7
- 2.Re6#
- 1...b3
- 2.Qa5#
- 1...d3
- 2.Qa1#
- 1...gxf3+
- 2.exf3#
- 1...Sc6
- Tries
- 1.Kf1?
- 1...gxf3
- 2.exf3#
- 1...Se6
- 2.Rxe6#
- 1...d3
- 2.Qa1#
- 1...Sc6
- 2.Re6#
- 1...Sb7
- 2.Re6#
- 1...Sf7
- 2.Re6#
- 1...b3
- 2.Qa5#
- 1...g2+!
- 1...gxf3
- 1.Kg1?
- 1...gxf3
- 2.exf3#
- 1...Se6
- 2.Rxe6#
- 1...d3
- 2.Qa1#
- 1...Sc6
- 2.Re6#
- 1...Sb7
- 2.Re6#
- 1...Sf7
- 2.Re6#
- 1...b3
- 2.Qa5#
- 1...g2!
- 1...gxf3
- 1.Kh1?
- 1...gxf3
- 2.exf3#
- 1...Se6
- 2.Rxe6#
- 1...d3
- 2.Qa1#
- 1...Sc6
- 2.Re6#
- 1...Sb7
- 2.Re6#
- 1...Sf7
- 2.Re6#
- 1...b3
- 2.Qa5#
- 1...g2+!
- 1...gxf3
- 1.Qxb4?
- threat
- 2.Qa5#
- 2.Qc5#
- 2.Qd6#
- 2.Qb5#
- 1...Sc6
- 2.Re6#
- 2.Qc5#
- 2.Qd6#
- 2.Qb5#
- 1...Se6
- 2.Rxe6#
- 1...Sb7
- 2.Re6#
- 2.Qe7#
- 1...Sf7
- 2.Re6#
- 2.Qa5#
- 2.Qc5#
- 2.Qe7#
- 2.Qb5#
- 1...d3
- 2.Qc3#
- 2.Qc5#
- 2.Qd6#
- 2.Qb2#
- 2.Qe4#
- 1...gxf3+!
- threat
- 1.Qa1?
- threat
- 2.Qa5#
- 1...Se6
- 2.Rxe6#
- 1...Sc6
- 2.Re6#
- 1...Sb7
- 2.Re6#
- 1...gxf3+!
- threat
- 1.e3?
- 1...dxe3
- 2.Qa1#
- 1...fxe3
- 2.Qxg3#
- 1...Se6
- 2.Rxe6#
- 1...b3
- 2.Qa5#
- 1...Sc6
- 2.Re6#
- 1...Sb7
- 2.Re6#
- 1...Sf7
- 2.Re6#
- 1...d3
- 2.Qa1#
- 1...gxf3+!
- 1...dxe3
- 1.Kf1?
- Keys
- 1.e4!
- 1...gxf3+
- 2.Sxf3#
- 1...dxe4 ep
- 2.Qa1#
- 1...fxe4 ep
- 2.Qxg3#
- 1...Se6
- 2.Rxe6#
- 1...d3
- 2.Qa1#
- 1...b3
- 2.Qa5#
- 1...Sc6
- 2.Re6#
- 1...Sb7
- 2.Re6#
- 1...Sf7
- 2.Re6#
- 1...gxf3+
- 1.e4!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- S(h);N_GUARD::R1(G)
- S(h);N_GUARD::R1(G),XS(h)
- P(b);OGATE::QAR(A)
- P(c);OGATEB::QAB(A)
- P(e);CHECK,OGATE,XP(E)::QAR(A)+P(C),XP(e)
- Tries
- Try
- K(D);S_FLIGHT
- Vars
- P(e);OGATE,XP(E)::QAR(A)+P(C),XP(e)
- S(h);N_GUARD::R1(G),XS(h)
- P(c);OGATEB::QAB(A)
- S(h);N_GUARD::R1(G)
- P(b);OGATE::QAR(A)
- Refutation
- P(a);CHECK
- Try
- K(D);P-FLIGHT
- Vars
- P(e);OGATE,XP(E)::QAR(A)+P(C),XP(e)
- S(h);N_GUARD::R1(G),XS(h)
- P(c);OGATEB::QAB(A)
- S(h);N_GUARD::R1(G)
- P(b);OGATE::QAR(A)
- Refutation
- P(a);
- Try
- K(D);S_FLIGHT
- Vars
- P(e);OGATE,XP(E)::QAR(A)+P(C),XP(e)
- S(h);N_GUARD::R1(G),XS(h)
- P(c);OGATEB::QAB(A)
- S(h);N_GUARD::R1(G)
- P(b);OGATE::QAR(A)
- Refutation
- P(a);CHECK
- Try
- Q(A);XP(b)
- Threat
- DUALS(4)
- Vars
- S(h);N_GUARD::R1(G),XS(h)
- Refutation
- P(e);CHECK,XP(E)
- Try
- Q(A);P_PINP(c)
- Threat
- QAR(A)
- Vars
- S(h);N_GUARD::R1(G),XS(h)
- S(h);N_GUARD::R1(G)
- Refutation
- P(e);CHECK,XP(E)
- Try
- P(C);
- Vars
- P(c);OGATEB,P_SPINP(c),XP(C)::QAB(A)
- P(d);OGATEB,P_SPINP(d),XP(C)::QAB(A),XP(a)
- S(h);N_GUARD::R1(G),XS(h)
- P(b);OGATE::QAR(A)
- S(h);N_GUARD::R1(G)
- P(c);OGATEB::QAB(A)
- Refutation
- P(e);CHECK,XP(E)
- Try
- Actual
- P(C);
- Vars
- P(e);CHECK,XP(E)::S(F),XP(e)
- P(c);EP,OGATEB,P_SPINP(c),XP(C)::QAB(A)
- P(d);EP,OGATEB,P_SPINP(d),XP(C)::QAB(A),XP(a)
- S(h);N_GUARD::R1(G),XS(h)
- P(c);OGATEB::QAB(A)
- P(b);OGATE::QAR(A)
- S(h);N_GUARD::R1(G)
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).