MESON Chess Problem Database
Problem Display
PID: 243763 (6Q1/3N1p2/2ppp3/3k1P1p/4p3/2p5/2N5/3KRB2 w - - 0 1)
Berg, Wolfgang
Schach, 1992
#2
7 + 8
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...e3
- 2.Qg2#
- 1...c5
- 2.Qa8#
- 1...exf5
- 2.Qxf7#
- 1...e5
- 2.Qxf7#
- 1...f6
- 2.Qxe6#
- 1...e3
- Tries
- 1.Be2?
- 1...exf5
- 2.Qxf7#
- 1...e3
- 2.Qg2#
- 1...c5
- 2.Qa8#
- 1...e5
- 2.Qxf7#
- 1...f6
- 2.Qxe6#
- 1...h4!
- 1...exf5
- 1.Ba6?
- 1...exf5
- 2.Qxf7#
- 1...e3
- 2.Qg2#
- 1...c5
- 2.Qa8#
- 1...e5
- 2.Qxf7#
- 1...f6
- 2.Qxe6#
- 1...h4!
- 1...exf5
- 1.Re3?
- 1...exf5
- 2.Qxf7#
- 1...c5
- 2.Qa8#
- 1...e5
- 2.Qxf7#
- 1...f6
- 2.Qxe6#
- 1...h4!
- 1...exf5
- 1.Qg4?
- threat
- 2.Qxe4#
- 1...exf5
- 2.Qxf5#
- 1...e3
- 2.Sxe3#
- 2.Sb4#
- 2.Bg2#
- 2.Bc4#
- 2.Qf3#
- 2.Qg2#
- 2.Qc4#
- 2.Qd4#
- 1...hxg4!
- threat
- 1.Qb8?
- threat
- 2.Qb3#
- 1...c5
- 2.Qb7#
- 2.Qa8#
- 1...e3!
- threat
- 1.f6?
- 1...e3
- 2.Qg2#
- 1...c5
- 2.Qa8#
- 1...e5
- 2.Qxf7#
- 1...h4!
- 1...e3
- 1.Be2?
- Keys
- 1.Kc1!
- threat
- 2.Rd1#
- 1...exf5
- 2.Qxf7#
- 1...e3
- 2.Qg2#
- 1...c5
- 2.Qa8#
- threat
- 1.Kc1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 2
- Sets
- P(b);OGATEB::QAB(G)
- P(e);OGATEB::QAB(G)
- P(g);OGATEB,P_SPINP(h),XP(E)::QAB(G),XP(h)
- P(g);OGATEB,P_SPINP(h)::QAB(G),XP(h)
- P(h);OGATE,P_SPINP(g)::QAB1(G),XP(g)
- Tries
- Try
- B(C);
- Vars
- P(g);OGATEB,P_SPINP(h),XP(E)::QAB(G),XP(h)
- P(b);OGATEB::QAB(G)
- P(e);OGATEB::QAB(G)
- P(g);OGATEB,P_SPINP(h)::QAB(G),XP(h)
- P(h);OGATE,P_SPINP(g)::QAB1(G),XP(g)
- Refutation
- P(d);
- Try
- B(C);
- Vars
- P(g);OGATEB,P_SPINP(h),XP(E)::QAB(G),XP(h)
- P(b);OGATEB::QAB(G)
- P(e);OGATEB::QAB(G)
- P(g);OGATEB,P_SPINP(h)::QAB(G),XP(h)
- P(h);OGATE,P_SPINP(g)::QAB1(G),XP(g)
- Refutation
- P(d);
- Try
- R(B);
- Vars
- P(g);OGATEB,P_SPINP(h),XP(E)::QAB(G),XP(h)
- P(e);OGATEB::QAB(G)
- P(g);OGATEB,P_SPINP(h)::QAB(G),XP(h)
- P(h);OGATE,P_SPINP(g)::QAB1(G),XP(g)
- Refutation
- P(d);
- Try
- Q(G);
- Threat
- QAB1(G),XP(b)
- Vars
- P(g);OGATE,XP(E)::QAR2(G),XP(g)
- Refutation
- P(d);XQ(G)
- Try
- Q(G);
- Threat
- QAB(G)
- Refutation
- P(b);
- Try
- P(E);
- Vars
- P(b);OGATEB::QAB(G)
- P(e);OGATEB::QAB(G)
- P(g);OGATEB,P_SPINP(h)::QAB(G),XP(h)
- Refutation
- P(d);
- Try
- Actual
- K(A);P-FLIGHT
- Threat
- R(B)
- Vars
- P(g);OGATEB,P_SPINP(h),XP(E)::QAB(G),XP(h)
- P(b);OGATEB::QAB(G)
- P(e);OGATEB::QAB(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).