MESON Chess Problem Database
Problem Display
PID: 87526 (2R1N1b1/8/3N1KB1/3k1pQ1/3p4/b7/8/1qn5 w - - 0 1)
Gheran, Nicoale
Buletin Problemistic, 1970
#2
6 + 7
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qa2
- 2.Qxf5#
- 1...Qa1
- 2.Qg2#
- 2.Qxf5#
- 1...Qb2
- 2.Qxf5#
- 1...Qb3
- 2.Qxf5#
- 1...Qb4
- 2.Qg2#
- 2.Qxf5#
- 1...Qb5
- 2.Qg2#
- 2.Qxf5#
- 1...Qb6
- 2.Qg2#
- 2.Qxf5#
- 1...Qb7
- 2.Qg2#
- 2.Qxf5#
- 1...Qb8
- 2.Qg2#
- 2.Qxf5#
- 1...Bf7
- 2.Bxf7#
- 1...Bh7
- 2.Bf7#
- 1...Sd3
- 2.Qg2#
- 1...Qa2
- Tries
- 1.Bxf5?
- threat
- 2.Bxb1#
- 2.Bc2#
- 2.Bd3#
- 2.Be4#
- 2.Be6#
- 2.Qxg8#
- 1...Qxf5+
- 2.Qxf5#
- 1...Bxd6
- 2.Qxg8#
- 1...Qa2
- 2.Bb1#
- 2.Bc2#
- 2.Bd3#
- 2.Bh3#
- 2.Be4#
- 2.Bg4#
- 2.Be6#
- 2.Bg6#
- 2.Bd7#
- 2.Bh7#
- 2.Qxg8#
- 1...Qc2
- 2.Bxc2#
- 2.Bd3#
- 2.Be4#
- 2.Be6#
- 2.Qxg8#
- 1...Qd3
- 2.Bxd3#
- 2.Be4#
- 2.Be6#
- 2.Qxg8#
- 1...Qe4
- 2.Bxe4#
- 2.Be6#
- 1...Qa1
- 2.Bb1#
- 2.Bc2#
- 2.Bd3#
- 2.Bh3#
- 2.Be4#
- 2.Bg4#
- 2.Be6#
- 2.Bg6#
- 2.Bd7#
- 2.Bh7#
- 2.Qg2#
- 2.Qxg8#
- 1...Qb2
- 2.Bb1#
- 2.Bc2#
- 2.Bd3#
- 2.Bh3#
- 2.Be4#
- 2.Bg4#
- 2.Be6#
- 2.Bg6#
- 2.Bd7#
- 2.Bh7#
- 2.Qxg8#
- 1...Qb3
- 2.Bb1#
- 2.Bc2#
- 2.Bd3#
- 2.Bh3#
- 2.Be4#
- 2.Bg4#
- 2.Be6#
- 2.Bg6#
- 2.Bd7#
- 2.Bh7#
- 2.Qxg8#
- 1...Qb4
- 2.Bb1#
- 2.Bc2#
- 2.Bd3#
- 2.Bh3#
- 2.Be4#
- 2.Bg4#
- 2.Be6#
- 2.Bg6#
- 2.Bd7#
- 2.Bh7#
- 2.Qg2#
- 2.Qxg8#
- 1...Qb5
- 2.Bb1#
- 2.Bc2#
- 2.Bd3#
- 2.Bh3#
- 2.Be4#
- 2.Bg4#
- 2.Be6#
- 2.Bg6#
- 2.Bd7#
- 2.Bh7#
- 2.Qg2#
- 2.Qxg8#
- 1...Qb6
- 2.Bb1#
- 2.Bc2#
- 2.Bd3#
- 2.Bh3#
- 2.Be4#
- 2.Bg4#
- 2.Be6#
- 2.Bg6#
- 2.Bd7#
- 2.Bh7#
- 2.Qg2#
- 2.Qxg8#
- 1...Qb7
- 2.Bb1#
- 2.Bc2#
- 2.Bd3#
- 2.Bh3#
- 2.Be4#
- 2.Bg4#
- 2.Be6#
- 2.Bg6#
- 2.Bd7#
- 2.Bh7#
- 2.Qg2#
- 1...Qb8
- 2.Bb1#
- 2.Bc2#
- 2.Bd3#
- 2.Bh3#
- 2.Be4#
- 2.Bg4#
- 2.Be6#
- 2.Bg6#
- 2.Bd7#
- 2.Bh7#
- 2.Qg2#
- 2.Qxg8#
- 1...Be6
- 2.Be4#
- 2.Bxe6#
- 1...Bf7
- 2.Bxb1#
- 2.Bc2#
- 2.Bd3#
- 2.Be4#
- 2.Be6#
- 1...Bh7
- 2.Be4#
- 2.Be6#
- 1...Sd3
- 2.Bxd3#
- 2.Be4#
- 2.Be6#
- 2.Qg2#
- 2.Qxg8#
- 1...d3!
- threat
- 1.Bxf5?
- Keys
- 1.Sxf5!
- threat
- 2.Se3#
- 2.Se7#
- 1...Qxf5+
- 2.Qxf5#
- 1...Qb6+
- 2.Sfd6#
- 1...Be7+
- 2.Sxe7#
- 1...Ke4
- 2.Sh4#
- 1...Bc5
- 2.Se3#
- 1...d3
- 2.Qg2#
- threat
- 1.Sxf5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 6
- Sets
- Q(a);N_GUARD::QAR2(A),XP(f)
- B(g);N_GUARD::B(D),XB(g)
- B(g);N_GUARD::B(D)
- S(b);S_CUTQ(a)::QAB(A)
- Tries
- Try
- B(D);XP(f)
- Threat
- DUALS(6)
- Vars
- Q(a);CHECK,OGATE,P_SPINQ(a),XB(D)::QAR2(A),XQ(a)
- B(c);XS(B)::QAB(A),XB(g)
- Refutation
- P(d);
- Try
- Actual
- S(B);XP(f)
- Threat
- DUALS(2)
- Vars
- Q(a);CHECK,OGATE,P_SPINQ(a),XS(B)::QAR2(A),XQ(a)
- Q(a);CHECK,N_GUARD::QAR(A)+S(B)
- B(c);CHECK::QAR(A)+S(B),DCHECK,XB(c)
- K(e);S_FLIGHT::B(D)+S(B)
- B(c);::QAR(A)+S(B),DCHECK
- P(d);S_CUTQ(a)::QAB(A)
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).