MESON Chess Problem Database
Problem Display
PID: 43497 (8/B1NP2r1/2K1p3/pp2pp2/4kP2/1Qpp3N/6n1/qn1B4 w - - 0 1)
Maleika, Gerhard
4th Prize, Schach-Aktiv, 2000
#2
8 + 12
| 269 | Schach-Aktiv | 2002 |
| 6166 | FIDE Album (1998-2000) | 2007 |
SOLUTION
- SOUND
- Sets
- 1...Sxf4
- 2.Sf2#
- 1...d2
- 2.Qc2#
- 1...a4
- 2.Qb4#
- 1...b4
- 2.Qc4#
- 1...exf4
- 2.Qxe6#
- 1...Sxf4
- Tries
- 1.Sxb5?
- threat
- 2.Sd6#
- 2.Qc4#
- 1...exf4
- 2.Qxe6#
- 1...d2
- 2.Qc2#
- 2.Qc4#
- 1...Qa2
- 2.Sd6#
- 1...Qa3
- 2.Qc4#
- 1...Qa4
- 2.Qxa4#
- 1...Sd2
- 2.Sd6#
- 1...Sa3
- 2.Sd6#
- 1...Se3
- 2.Sd6#
- 1...c2
- 2.Sd6#
- 1...Rxd7!
- threat
- 1.Sd5?
- threat
- 2.Sf2#
- 2.Sf6#
- 1...exd5
- 2.Qxd5#
- 1...d2
- 2.Sf2#
- 2.Qc2#
- 1...Qb2
- 2.Sf6#
- 1...Qa2
- 2.Sf6#
- 1...Rg6
- 2.Sf2#
- 1...Rf7
- 2.Sf2#
- 2.Sg5#
- 1...exf4!
- threat
- 1.Sxe6?
- threat
- 2.Sf2#
- 2.Qd5#
- 1...Rxd7
- 2.Sf2#
- 2.Shg5#
- 2.Seg5#
- 1...Sxf4
- 2.Sf2#
- 1...exf4
- 2.Qd5#
- 1...Qb2
- 2.Qd5#
- 1...Se3
- 2.Sf2#
- 1...Qa2!
- threat
- 1.Qxe6?
- threat
- 2.Qd5#
- 2.Qxe5#
- 1...Rxd7
- 2.Qxe5#
- 1...Sxf4
- 2.Sf2#
- 1...d2
- 2.Qd5#
- 1...Qa2
- 2.Qxe5#
- 1...Re7
- 2.Qd5#
- 1...Se3
- 2.Qxe5#
- 1...c2
- 2.Qd5#
- 1...Rg6!
- threat
- 1.Qxb5?
- threat
- 2.Qc4#
- 2.Qxe5#
- 1...Rxd7
- 2.Qxe5#
- 1...Sxf4
- 2.Sf2#
- 2.Qc4#
- 1...exf4
- 2.Sf2#
- 1...Qa2
- 2.Qxe5#
- 1...Qa4
- 2.Qxa4#
- 1...Sd2
- 2.Qxe5#
- 1...Sa3
- 2.Qxe5#
- 1...Se3
- 2.Qxe5#
- 1...d2
- 2.Qc4#
- 1...c2!
- threat
- 1.Sxb5?
- Keys
- 1.Se8!
- threat
- 2.Sd6#
- 2.Sf6#
- 1...Rxd7
- 2.Sf6#
- 1...exf4
- 2.Qxe6#
- 1...d2
- 2.Qc2#
- 1...Qa3
- 2.Sf6#
- 1...Rg6
- 2.Sd6#
- 1...Rf7
- 2.Sd6#
- threat
- 1.Se8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 3
- Sets
- S(c);SBLOCK,XP(D)::S(C)
- P(e);OGATEB::QAB(B)
- P(g);N_GUARD::QAR(B)
- P(h);N_GUARD::QAR2(B)
- P(i);OGATEB,XP(D)::QAR2(B),XP(k)
- Tries
- Try
- S(G);XP(h)
- Threat
- DUALS(2)
- Vars
- P(i);OGATEB,XP(D)::QAR2(B),XP(k)
- Q(a);::S(G)
- Q(a);::QAR2(B)
- Q(a);N_GUARD,P_PINS(G)::QAR(B),XQ(a)
- S(b);::S(G)
- S(c);::S(G)
- P(d);::S(G)
- Refutation
- R(l);XP(H)
- Try
- S(G);
- Threat
- DUALS(2)
- Vars
- P(k);OGATE,XS(G)::QAB1(B),XP(k)
- Q(a);::S(G)
- R(l);::S(C)
- Refutation
- P(i);XP(D)
- Try
- S(G);XP(k)
- Threat
- DUALS(2)
- Vars
- S(c);XP(D)::S(C)
- P(i);XP(D)::QAB1(B)
- Q(a);::QAB1(B)
- S(c);::S(C)
- Refutation
- Q(a);
- Try
- Q(B);P_PINP(i),XP(k)
- Threat
- DUALS(2)
- Vars
- R(l);XP(H)::QAR1(B),XP(i)
- S(c);SBLOCK,XP(D)::S(C)
- P(e);::QAB1(B)
- Q(a);::QAR1(B),XP(i)
- R(l);::QAB1(B)
- S(c);::QAR1(B),XP(i)
- P(d);::QAB1(B)
- Refutation
- R(l);P_PINQ(B)
- Try
- Q(B);XP(h)
- Threat
- DUALS(2)
- Vars
- R(l);XP(H)::QAR1(B),XP(i)
- P(i);SBLOCK,XP(D)::S(C)
- Q(a);::QAR1(B),XP(i)
- Q(a);N_GUARD,P_PINQ(B)::QAR(B),XQ(a)
- S(b);::QAR1(B),XP(i)
- S(c);::QAR1(B),XP(i)
- P(e);::QAR2(B)
- Refutation
- P(d);
- Try
- Actual
- S(G);
- Threat
- DUALS(2)
- Vars
- R(l);XP(H)::S(G)
- P(i);OGATEB,XP(D)::QAR2(B),XP(k)
- P(e);OGATEB::QAB(B)
- Q(a);::S(G)
- R(l);::S(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).