MESON Chess Problem Database
Problem Display
PID: 55736 (2B5/2K5/6p1/2N1k1Pn/2Ppb2N/5pP1/7Q/2n5 w - - 0 1)
Brauer, Friedrich
Comm., Troll, 1993
#2
8 + 7
| 6113 | Problemschach-Jahrbuch (1993) | 1994 |
SOLUTION
- SOUND
- Sets
- 1...Bb1
- 2.Sxf3#
- 1...Bc2
- 2.Sxf3#
- 1...Bd3
- 2.Sxf3#
- 1...Bd5
- 2.Sxg6#
- 1...Bf5
- 2.Sxf3#
- 1...Bc6
- 2.Sxg6#
- 1...Bb7
- 2.Sxg6#
- 1...Ba8
- 2.Sxg6#
- 1...Sxg3
- 2.Qxg3#
- 1...Sf4
- 2.gxf4#
- 1...Sf6
- 2.g4#
- 1...Sg7
- 2.g4#
- 1...d3
- 2.Qb2#
- 1...Bb1
- Tries
- 1.Bg4?
- threat
- 2.Sd7#
- 1...Sxg3
- 2.Qxg3#
- 1...d3
- 2.Qb2#
- 1...Bb1
- 2.Sxf3#
- 1...Bc2
- 2.Sxf3#
- 1...Bd3
- 2.Sxf3#
- 1...Bd5
- 2.Sxg6#
- 1...Bf5
- 2.Sxf3#
- 1...Bc6
- 2.Sxg6#
- 1...Bb7
- 2.Sxg6#
- 1...Ba8
- 2.Sxg6#
- 1...Sf6!
- threat
- 1.Bf5?
- threat
- 2.Sd7#
- 1...Bxf5
- 2.Sxf3#
- 1...Sxg3
- 2.Qxg3#
- 1...gxf5
- 2.Sg6#
- 1...d3
- 2.Qb2#
- 1...Sf6
- 2.g4#
- 1...Bc6!
- threat
- 1.Qh3?
- threat
- 2.Sd7#
- 2.Qe6#
- 1...Sxg3
- 2.Qxg3#
- 1...Bb1
- 2.Sxf3#
- 2.Qe6#
- 1...Bc2
- 2.Sxf3#
- 2.Qe6#
- 1...Bd3
- 2.Sxf3#
- 2.Qe6#
- 1...Bd5
- 2.Sxg6#
- 1...Bf5
- 2.Sxf3#
- 1...Bc6
- 2.Sxg6#
- 2.Qe6#
- 1...Bb7
- 2.Sxg6#
- 2.Qe6#
- 1...Ba8
- 2.Sxg6#
- 2.Qe6#
- 1...Sf4
- 2.Sd7#
- 1...Sf6
- 2.Qe6#
- 1...Sg7
- 2.Sd7#
- 1...d3!
- threat
- 1.g4+?
- 1...Sg3
- 2.Qxg3#
- 1...Sf4!
- 1...Sg3
- 1.Bg4?
- Keys
- 1.Bh3!
- threat
- 2.Sd7#
- 1...Sxg3
- 2.Qxg3#
- 1...d3
- 2.Qb2#
- 1...Bb1
- 2.Sxf3#
- 1...Bc2
- 2.Sxf3#
- 1...Bd3
- 2.Sxf3#
- 1...Bd5
- 2.Sxg6#
- 1...Bf5
- 2.Sxf3#
- 1...Bc6
- 2.Sxg6#
- 1...Bb7
- 2.Sxg6#
- 1...Ba8
- 2.Sxg6#
- 1...Sf6
- 2.g4#
- threat
- 1.Bh3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 2
- Sets
- B(d);N_GUARD::S(D),XP(b)
- B(d);N_GUARD::S(D),XP(g)
- S(f);OGATE,P_SPINS(f),XP(B)::QAB(A),XS(f)
- S(f);OGATE::P(B),XS(f)
- S(f);N_GUARD::QAB(A)+P(B)
- P(c);OGATEB::QAB(A)
- Tries
- Try
- B(H);
- Threat
- S(E)
- Vars
- S(f);OGATE,P_SPINS(f),XP(B)::QAB(A),XS(f)
- P(c);OGATEB::QAB(A)
- B(d);N_GUARD::S(D),XP(b)
- B(d);N_GUARD::S(D),XP(g)
- Refutation
- S(f);
- Try
- B(H);
- Threat
- S(E)
- Vars
- B(d);N_GUARD,SBLOCK,XB(H)::S(D),XP(b)
- S(f);OGATE,P_SPINS(f),XP(B)::QAB(A),XS(f)
- P(g);SBLOCK,XB(H)::S(D)
- P(c);OGATEB::QAB(A)
- S(f);N_GUARD::QAB(A)+P(B)
- Refutation
- B(d);
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- S(f);OGATE,XP(B)::QAB(A),XS(f)
- B(d);N_GUARD::S(D),XP(g)
- B(d);N_GUARD::S(D),XP(b)
- S(f);::S(E)
- S(f);::QAR1(A)
- Refutation
- P(c);
- Try
- P(B);CHECK
- Vars
- S(f);N_GUARD,P_SPINS(f)::QAB(A),XS(f)
- Refutation
- S(f);P_SPINS(f)
- Try
- Actual
- B(H);
- Threat
- S(E)
- Vars
- S(f);OGATE,P_SPINS(f),XP(B)::QAB(A),XS(f)
- P(c);OGATEB::QAB(A)
- B(d);N_GUARD::S(D),XP(b)
- B(d);N_GUARD::S(D),XP(g)
- S(f);N_GUARD::QAB(A)+P(B)
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).