MESON Chess Problem Database
Problem Display
PID: 99988 (8/8/p3pB1p/Rn2pn1R/2Qpk3/8/4NK2/8 w - - 0 1)
Papp, Jeno
2nd Prize, Magyar Sakkvilag, 1928
#2
6 + 8
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Sa3
- 2.Rxe5#
- 1...Sc3
- 2.Rxe5#
- 1...Sbd6
- 2.Rxe5#
- 1...Sa7
- 2.Rxe5#
- 1...Sc7
- 2.Rxe5#
- 1...Se3
- 2.Rxe5#
- 1...Sg3
- 2.Rxe5#
- 1...Sh4
- 2.Rxe5#
- 1...Sfd6
- 2.Rxe5#
- 1...Se7
- 2.Rxe5#
- 1...Sg7
- 2.Rxe5#
- 1...Sa3
- Tries
- 1.Bg5?
- 1...Se3
- 2.Sg3#
- 1...Sg3
- 2.Sxg3#
- 1...Sh4
- 2.Sg3#
- 1...Sfd6
- 2.Sg3#
- 1...Se7
- 2.Sg3#
- 1...Sg7
- 2.Sg3#
- 1...Sa3
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Sbd6
- 2.Sc3#
- 1...Sa7
- 2.Sc3#
- 1...Sc7
- 2.Sc3#
- 1...hxg5!
- 1...Se3
- 1.Bg7?
- 1...Sa3
- 2.Rxe5#
- 1...Sc3
- 2.Rxe5#
- 1...Sbd6
- 2.Rxe5#
- 1...Sa7
- 2.Rxe5#
- 1...Sc7
- 2.Rxe5#
- 1...Se3
- 2.Rxe5#
- 1...Sg3
- 2.Rxe5#
- 1...Sh4
- 2.Rxe5#
- 1...Sfd6
- 2.Rxe5#
- 1...Se7
- 2.Rxe5#
- 1...Sxg7!
- 1...Sa3
- 1.Bh8?
- 1...Sa3
- 2.Rxe5#
- 1...Sc3
- 2.Rxe5#
- 1...Sbd6
- 2.Rxe5#
- 1...Sa7
- 2.Rxe5#
- 1...Sc7
- 2.Rxe5#
- 1...Se3
- 2.Rxe5#
- 1...Sg3
- 2.Rxe5#
- 1...Sh4
- 2.Rxe5#
- 1...Sfd6
- 2.Rxe5#
- 1...Se7
- 2.Rxe5#
- 1...Sg7!
- 1...Sa3
- 1.Qxb5?
- 1...Se3
- 2.Rxe5#
- 1...Sg3
- 2.Rxe5#
- 1...Sh4
- 2.Rxe5#
- 1...Sd6
- 2.Rxe5#
- 1...Se7
- 2.Rxe5#
- 1...Sg7
- 2.Rxe5#
- 1...d3
- 2.Qc6#
- 2.Qxe5#
- 2.Qb7#
- 1...axb5!
- 1...Se3
- 1.Qc2+?
- 1...d3
- 2.Qc6#
- 1...Kd5!
- 1...d3
- 1.Bg5?
- Keys
- 1.Bxe5!
- 1...Kxe5
- 2.Qxd4#
- 1...Sa3
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Sbd6
- 2.Sc3#
- 1...Sa7
- 2.Sc3#
- 1...Sc7
- 2.Sc3#
- 1...Se3
- 2.Sg3#
- 1...Sg3
- 2.Sxg3#
- 1...Sh4
- 2.Sg3#
- 1...Sfd6
- 2.Sg3#
- 1...Se7
- 2.Sg3#
- 1...Sg7
- 2.Sg3#
- 1...Kxe5
- 1.Bxe5!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 11
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- S(c);OGATE::R1(D),XP(d)
- S(e);OGATE::R1(E),XP(d)
- Tries
- Try
- B(F);
- Vars
- S(e);N_GUARD::S(A)
- S(e);N_GUARD::S(A),XS(e)
- S(c);N_GUARD::S(A)
- S(c);N_GUARD::S(A),XS(c)
- Refutation
- P(h);XB(F)
- Try
- B(F);
- Vars
- S(c);OGATE::R1(D),XP(d)
- S(e);OGATE::R1(E),XP(d)
- Refutation
- S(e);XB(F)
- Try
- B(F);
- Vars
- S(c);OGATE::R1(D),XP(d)
- S(e);OGATE::R1(E),XP(d)
- Refutation
- S(e);
- Try
- Q(C);N_PINP(a),XS(c)
- Vars
- S(e);OGATE::R1(E),XP(d)
- Refutation
- P(f);XQ(C)
- Try
- Q(C);CHECK,N_PINP(a)
- Vars
- P(a);P_SPINP(a),SBLOCK::QAB(C)
- Refutation
- K(b);P_SPINS(c),S_FLIGHT
- Try
- Actual
- B(F);XP(d)
- Vars
- K(b);N_SPINP(a),P-FLIGHT,P_SPINS(c),XB(F)::QAB1(C),XP(a)
- S(c);N_GUARD::S(A)
- S(c);N_GUARD::S(A),XS(c)
- S(e);N_GUARD::S(A)
- S(e);N_GUARD::S(A),XS(e)
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).