MESON Chess Problem Database
Problem Display
PID: 251625 (1N6/P2Pr3/1p1Prb1N/3k4/1Q1ppn2/1K1pp2B/8/8 w - - 0 1)
Maleika, Gerhard
2nd Comm., Schach-Aktiv, 1986
#2
8 + 10
| 15601 | Albrecht-Leiss-Degener Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Re5
- 2.a8Q#
- 2.a8B#
- 1...Rxd6
- 2.Qb5#
- 1...Be5
- 2.a8Q#
- 2.a8B#
- 1...Re5
- Tries
- 1.Sg4?
- threat
- 2.a8Q#
- 2.a8B#
- 1...Rxd6
- 2.Qc4#
- 1...Sxh3
- 2.a8Q#
- 2.a8B#
- 1...Re5
- 2.Sxf6#
- 1...Rf7
- 2.a8Q#
- 2.a8B#
- 1...Rg7
- 2.a8Q#
- 2.a8B#
- 1...Rh7
- 2.a8Q#
- 2.a8B#
- 1...Re8
- 2.a8Q#
- 2.a8B#
- 1...Bh4
- 2.a8Q#
- 2.a8B#
- 1...Be5
- 2.a8Q#
- 2.a8B#
- 1...Bg5
- 2.a8Q#
- 2.a8B#
- 1...Bg7
- 2.a8Q#
- 2.a8B#
- 1...Bh8
- 2.a8Q#
- 2.a8B#
- 1...Se2
- 2.a8Q#
- 2.a8B#
- 1...Sg2
- 2.a8Q#
- 2.a8B#
- 1...Sh5
- 2.a8Q#
- 2.a8B#
- 1...Sg6
- 2.a8Q#
- 2.a8B#
- 1...d2
- 2.a8Q#
- 2.a8B#
- 1...e2
- 2.a8Q#
- 2.a8B#
- 1...b5
- 2.a8Q#
- 2.a8B#
- 1...Rxd7!
- threat
- 1.Sf7?
- threat
- 2.Qc4#
- 2.Qb5#
- 2.a8Q#
- 2.a8B#
- 1...Rxd6
- 2.Qxd6#
- 2.Qc4#
- 2.Qb5#
- 1...Rxd7
- 2.Qc4#
- 2.Qb5#
- 1...Sxh3
- 2.Qc4#
- 2.Qb5#
- 2.a8Q#
- 2.a8B#
- 1...Re5
- 2.Qc4#
- 2.Qb5#
- 2.a8Q#
- 2.a8B#
- 1...Re8
- 2.Qc4#
- 2.Qb5#
- 2.a8Q#
- 2.a8B#
- 1...Bh4
- 2.Qc4#
- 2.Qb5#
- 2.a8Q#
- 2.a8B#
- 1...Be5
- 2.Qc4#
- 2.Qb5#
- 2.a8Q#
- 2.a8B#
- 1...Bg5
- 2.Qc4#
- 2.Qb5#
- 2.a8Q#
- 2.a8B#
- 1...Bg7
- 2.Qc4#
- 2.Qb5#
- 2.a8Q#
- 2.a8B#
- 1...Bh8
- 2.Qc4#
- 2.Qb5#
- 2.a8Q#
- 2.a8B#
- 1...Se2
- 2.Qc4#
- 2.Qb5#
- 2.a8Q#
- 2.a8B#
- 1...Sg2
- 2.Qc4#
- 2.Qb5#
- 2.a8Q#
- 2.a8B#
- 1...Sh5
- 2.Qc4#
- 2.Qb5#
- 2.a8Q#
- 2.a8B#
- 1...Sg6
- 2.Qc4#
- 2.Qb5#
- 2.a8Q#
- 2.a8B#
- 1...d2
- 2.Qc4#
- 2.Qb5#
- 2.a8Q#
- 2.a8B#
- 1...e2
- 2.Qc4#
- 2.Qb5#
- 2.a8Q#
- 2.a8B#
- 1...Rxf7!
- threat
- 1.Sg4?
- Keys
- 1.Sf5!
- threat
- 2.Qb5#
- 1...Ke5
- 2.Qxd4#
- 1...Rxd6
- 2.Qxd6#
- 1...Re5
- 2.Qc4#
- 1...b5
- 2.Qxb5#
- threat
- 1.Sf5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- R(h);SBLOCK::P=Q
- R(h);SBLOCK,XP(D)::QAR2(C)
- B(i);SBLOCK::P=Q
- Tries
- Try
- S(E);
- Threat
- P=Q
- Vars
- R(h);SBLOCK,XP(D)::QAB1(C)
- S(e);XB(B)::P=Q
- R(h);N_GUARD,SBLOCK::S(E),XB(i)
- R(j);::P=Q
- B(i);::P=Q
- S(e);::P=Q
- P(a);::P=Q
- P(b);::P=Q
- P(g);::P=Q
- Refutation
- R(j);XP(G)
- Try
- S(E);
- Threat
- DUALS(4)
- Refutation
- R(j);XS(E)
- Try
- Actual
- S(E);
- Threat
- QAR2(C)
- Vars
- K(f);P-FLIGHT,S_CUTB(i)::QAB1(C),XP(c)
- R(h);OGATE,XP(D)::QAR1(C),XR(h)
- R(h);SBLOCK::QAB1(C)
- P(g);::QAR2(C),XP(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).