MESON Chess Problem Database
Problem Display
PID: 100007 (Q7/n1p5/N1rpp3/1n1k2p1/1pR5/1Pb1R3/2PpN3/3K4 w - - 0 1)
Papp, Jeno
Magyar Sakkvilag, 1928
#2
8 + 11
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Ba1
- 2.Sxb4#
- 1...Bb2
- 2.Sxb4#
- 1...Bd4
- 2.Sxb4#
- 1...Be5
- 2.Sxb4#
- 1...Bf6
- 2.Sxb4#
- 1...Bg7
- 2.Sxb4#
- 1...Bh8
- 2.Sxb4#
- 1...Sa3
- 2.Sxc7#
- 1...Sd4
- 2.Sxc7#
- 1...Sc8
- 2.Qxc6#
- 1...g4
- 2.Sf4#
- 1...e5
- 2.Qg8#
- 1...Ba1
- Tries
- 1.Sg1?
- 1...e5
- 2.Qg8#
- 1...Ba1
- 2.Sxb4#
- 1...Bb2
- 2.Sxb4#
- 1...Bd4
- 2.Sxb4#
- 1...Be5
- 2.Sxb4#
- 1...Bf6
- 2.Sxb4#
- 1...Bg7
- 2.Sxb4#
- 1...Bh8
- 2.Sxb4#
- 1...Sa3
- 2.Sxc7#
- 1...Sd4
- 2.Sxc7#
- 1...Sc8
- 2.Qxc6#
- 1...g4!
- 1...e5
- 1.Sxc3+?
- 1...bxc3
- 2.Sb4#
- 1...Sxc3+!
- 1...bxc3
- 1.Sg3?
- 1...e5
- 2.Qg8#
- 1...Ba1
- 2.Sxb4#
- 1...Bb2
- 2.Sxb4#
- 1...Bd4
- 2.Sxb4#
- 1...Be5
- 2.Sxb4#
- 1...Bf6
- 2.Sxb4#
- 1...Bg7
- 2.Sxb4#
- 1...Bh8
- 2.Sxb4#
- 1...Sa3
- 2.Sxc7#
- 1...Sd4
- 2.Sxc7#
- 1...Sc8
- 2.Qxc6#
- 1...g4!
- 1...e5
- 1.Sd4?
- 1...Bxd4
- 2.Sxb4#
- 1...Sxd4
- 2.Sxc7#
- 1...Ba1
- 2.Sxb4#
- 1...Bb2
- 2.Sxb4#
- 1...Sa3
- 2.Sxc7#
- 1...Sc8
- 2.Qxc6#
- 1...e5
- 2.Qg8#
- 1...g4!
- 1...Bxd4
- 1.Qb7?
- 1...Ba1
- 2.Sxb4#
- 1...Bb2
- 2.Sxb4#
- 1...Bd4
- 2.Sxb4#
- 1...Be5
- 2.Sxb4#
- 1...Bf6
- 2.Sxb4#
- 1...Bg7
- 2.Sxb4#
- 1...Bh8
- 2.Sxb4#
- 1...Sa3
- 2.Sxc7#
- 1...Sd4
- 2.Sxc7#
- 1...Sc8
- 2.Qxc6#
- 1...g4
- 2.Sf4#
- 1...e5!
- 1...Ba1
- 1.Sg1?
- Keys
- 1.Rxb4!
- 1...Bxb4
- 2.c4#
- 1...e5
- 2.Qg8#
- 1...g4
- 2.Sf4#
- 1...Ba1
- 2.c4#
- 1...Bb2
- 2.c4#
- 1...Bd4
- 2.c4#
- 1...Be5
- 2.c4#
- 1...Bf6
- 2.c4#
- 1...Bg7
- 2.c4#
- 1...Bh8
- 2.c4#
- 1...Sa3
- 2.Sxc3#
- 1...Sd4
- 2.Sxc3#
- 1...Sc8
- 2.Rxb5#
- 1...Bxb4
- 1.Rxb4!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 10
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- B(b);N_GUARD::S(G),XP(c)
- S(d);N_GUARD::S(G),XP(k)
- S(j);N_GUARD::QAB1(H),XR(g)
- P(f);N_GUARD::S(C)
- P(i);OGATEB::QAB(H)
- Tries
- Try
- S(C);
- Vars
- P(i);OGATEB::QAB(H)
- B(b);N_GUARD::S(G),XP(c)
- S(d);N_GUARD::S(G),XP(k)
- S(j);N_GUARD::QAB1(H),XR(g)
- Refutation
- P(f);
- Try
- S(C);CHECK,XB(b)
- Vars
- P(c);XS(C)::S(G)
- Refutation
- S(d);CHECK,XS(C)
- Try
- S(C);
- Vars
- P(i);OGATEB::QAB(H)
- B(b);N_GUARD::S(G),XP(c)
- S(d);N_GUARD::S(G),XP(k)
- S(j);N_GUARD::QAB1(H),XR(g)
- Refutation
- P(f);
- Try
- S(C);
- Vars
- B(b);N_GUARD,XS(C)::S(G),XP(c)
- S(d);N_GUARD,XS(C)::S(G),XP(k)
- B(b);N_GUARD::S(G),XP(c)
- S(d);N_GUARD::S(G),XP(k)
- S(j);N_GUARD::QAB1(H),XR(g)
- P(i);OGATEB::QAB(H)
- Refutation
- P(f);
- Try
- Q(H);
- Vars
- B(b);N_GUARD::S(G),XP(c)
- S(d);N_GUARD::S(G),XP(k)
- S(j);N_GUARD::QAB1(H),XR(g)
- P(f);N_GUARD::S(C)
- Refutation
- P(i);
- Try
- Actual
- R(F);XP(c)
- Vars
- B(b);OGATE,XR(F)::P(B)
- P(i);OGATEB::QAB(H)
- P(f);N_GUARD::S(C)
- B(b);OGATE::P(B)
- S(d);N_GUARD::S(C),XB(b)
- S(j);N_GUARD::R(F),XS(d)
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).