MESON Chess Problem Database
Problem Display
PID: 66944 (6K1/4p1P1/2Q5/pR2Pk2/R2b1B2/7N/2P4N/8 w - - 0 1)
Zajic, Helmut
9th Place, 03. WCCT, 1984-1988
#2
10 + 4
SOLUTION
- SOUND
- Sets
- 1...Bxe5
- 2.Rxe5#
- 1...Bxe5
- Tries
- 1.Sg5?
- threat
- 2.Qe4#
- 1...Bxe5
- 2.Rxe5#
- 2.Qe6#
- 1...Kxf4!
- threat
- 1.Rxd4?
- 1...e6
- 2.Qe4#
- 1...a4!
- 1...e6
- 1.Qf3?
- 1...Ke6
- 2.Qg4#
- 1...Kg6
- 2.Qg4#
- 1...Ba1
- 2.Qg4#
- 1...Bg1
- 2.Qg4#
- 1...Bb2
- 2.Qg4#
- 1...Bf2
- 2.Qg4#
- 1...Bc3
- 2.Qg4#
- 1...Be3
- 2.Qg4#
- 1...Bc5
- 2.Qg4#
- 1...Bb6
- 2.Qg4#
- 1...Ba7
- 2.Qg4#
- 1...e6
- 2.Qd3#
- 1...Bxe5!
- 1...Ke6
- 1.Qd5?
- 1...Kg6
- 2.Qf7#
- 1...Bxe5
- 2.Qf7#
- 1...Ba1
- 2.Qf7#
- 1...Bg1
- 2.Qf7#
- 1...Bb2
- 2.Qf7#
- 1...Bf2
- 2.Qf7#
- 1...Bc3
- 2.Qf7#
- 1...Be3
- 2.Qf7#
- 1...Bc5
- 2.Qf7#
- 1...Bb6
- 2.Qf7#
- 1...Ba7
- 2.Qf7#
- 1...e6!
- 1...Kg6
- 1.Qd7+?
- 1...Ke4
- 2.Rxd4#
- 1...Kg6
- 2.Qg4#
- 1...e6!
- 1...Ke4
- 1.Qe8?
- 1...Ke4
- 2.Qg6#
- 1...Ke6
- 2.Qc8#
- 1...Bxe5
- 2.Qf7#
- 1...Ba1
- 2.Qf7#
- 1...Bg1
- 2.Qf7#
- 1...Bb2
- 2.Qf7#
- 1...Bf2
- 2.Qf7#
- 1...Bc3
- 2.Qf7#
- 1...Be3
- 2.Qf7#
- 1...Bc5
- 2.Qf7#
- 1...Bb6
- 2.Qf7#
- 1...Ba7
- 2.Qf7#
- 1...e6!
- 1...Ke4
- 1.Qe6+?
- 1...Ke4
- 2.Qg6#
- 1...Kxe6!
- 1...Ke4
- 1.Qf6+?
- 1...Ke4
- 2.Sf2#
- 2.Sg5#
- 2.Qg6#
- 1...exf6!
- 1...Ke4
- 1.Sg5?
- Keys
- 1.Qc4!
- 1...Ke4
- 2.Qd3#
- 1...Kg6
- 2.Qf7#
- 1...Bxe5
- 2.Qf7#
- 1...Ba1
- 2.Qf7#
- 1...Bg1
- 2.Qf7#
- 1...Bb2
- 2.Qf7#
- 1...Bf2
- 2.Qf7#
- 1...Bc3
- 2.Qf7#
- 1...Be3
- 2.Qf7#
- 1...Bc5
- 2.Qf7#
- 1...Bb6
- 2.Qf7#
- 1...Ba7
- 2.Qf7#
- 1...e6
- 2.Qd3#
- 1...Ke4
- 1.Qc4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 12
- REMOVED MATES = 0
- Sets
- B(a);OGATE,P_SPINB(a),XP(G)::R1(F),XB(a)
- Tries
- Try
- S(C);
- Threat
- QAB1(H)
- Refutation
- K(c);P-FLIGHT,P_SPINB(a),XB(E)
- Try
- R(D);XB(a)
- Vars
- P(d);SBLOCK::QAB1(H)
- Refutation
- P(b);
- Try
- Q(H);
- Vars
- K(c);S_FLIGHT::QAB(H)
- K(c);S_FLIGHT::QAR2(H)
- B(a);::QAB1(H)
- P(d);SBLOCK::QAB(H)
- Refutation
- B(a);P_SPINB(a),XP(G)
- Try
- Q(H);
- Vars
- K(c);S_FLIGHT::QAB1(H)
- B(a);P_SPINB(a),XP(G)::QAR2(H)
- B(a);::QAR2(H)
- Refutation
- P(d);
- Try
- Q(H);CHECK
- Vars
- K(c);P_SPINB(a),S_FLIGHT::R1(D),XB(a)
- K(c);OGATE,S_FLIGHT::QAR2(H)
- Refutation
- P(d);P_SPINP(d)
- Try
- Q(H);
- Vars
- K(c);P_SPINB(a),S_FLIGHT::QAB(H)
- K(c);P_SPINP(d),S_FLIGHT::QAB(H)
- B(a);P_SPINB(a),XP(G)::QAR2(H)
- B(a);::QAR2(H)
- Refutation
- P(d);
- Try
- Q(H);CHECK
- Vars
- K(c);P_SPINB(a),S_FLIGHT::QAB(H)
- Refutation
- K(c);S_FLIGHT,XQ(H)
- Try
- Q(H);CHECK
- Refutation
- P(d);XQ(H)
- Try
- Actual
- Q(H);
- Vars
- K(c);P_SPINB(a),S_FLIGHT::QAB1(H)
- K(c);S_FLIGHT::QAB1(H)
- B(a);P_SPINB(a),XP(G)::QAR2(H)
- B(a);::QAR2(H)
- P(d);SBLOCK::QAB(H)
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).