MESON Chess Problem Database
Problem Display
PID: 177909 (8/8/1R6/2pkp3/3p3N/3R4/2BQ1K2/2B5 w - - 0 1)
Vinokurov, Vadim Konstantinovich
4/5 Comm., Sahs (Latvia), 1981
#2
7 + 4
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Kc4
- 2.Bb3#
- 1...Ke4
- 2.Rxd4#
- 1...Kc4
- Tries
- 1.Kf3?
- 1...Kc4
- 2.Bb3#
- 1...c4
- 2.Qa5#
- 1...e4+!
- 1...Kc4
- 1.Bb3+?
- 1...Ke4
- 2.Qe2#
- 1...c4!
- 1...Ke4
- 1.Ra3?
- 1...Kc4
- 2.Bb3#
- 1...d3
- 2.Qxd3#
- 1...c4
- 2.Ra5#
- 2.Qa5#
- 1...e4!
- 1...Kc4
- 1.Rc3?
- 1...d3
- 2.Qxd3#
- 1...e4
- 2.Qg5#
- 1...c4!
- 1...d3
- 1.Re3?
- 1...Kc4
- 2.Bb3#
- 1...d3
- 2.Qxd3#
- 1...c4
- 2.Qa5#
- 1...e4!
- 1...Kc4
- 1.Rf3?
- 1...Kc4
- 2.Bb3#
- 1...d3
- 2.Qxd3#
- 1...c4
- 2.Qa5#
- 1...e4!
- 1...Kc4
- 1.Rg3?
- 1...Kc4
- 2.Bb3#
- 1...d3
- 2.Qxd3#
- 1...c4
- 2.Qa5#
- 1...e4!
- 1...Kc4
- 1.Rh3?
- 1...Kc4
- 2.Bb3#
- 1...d3
- 2.Qxd3#
- 1...c4
- 2.Qa5#
- 1...e4!
- 1...Kc4
- 1.Qa5?
- 1...Kc4
- 2.Qa2#
- 1...Ke4
- 2.Qa8#
- 1...e4!
- 1...Kc4
- 1.Qg5?
- 1...Kc4
- 2.Qg8#
- 1...Ke4
- 2.Qg2#
- 1...c4!
- 1...Kc4
- 1.Kf3?
- Keys
- 1.Qh6!
- 1...Kc4
- 2.Qe6#
- 1...Ke4
- 2.Qc6#
- 1...c4
- 2.Qc6#
- 1...e4
- 2.Qe6#
- 1...Kc4
- 1.Qh6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 2
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- K(c);N_SPINP(a),S_FLIGHT::B(B)
- K(c);N_SPINP(a),S_FLIGHT::B(B)+R(E),DCHECK,XP(a)
- Tries
- Try
- K(D);P-FLIGHT
- Vars
- K(c);N_SPINP(a),S_FLIGHT::B(B)
- P(b);OGATEB,SBLOCK::QAR(C)
- Refutation
- P(d);CHECK
- Try
- B(B);CHECK
- Vars
- K(c);N_SPINP(a),S_FLIGHT::QAR2(C)
- Refutation
- P(b);N_SPINP(a),P_SPINP(b)
- Try
- R(E);
- Vars
- K(c);N_SPINP(a),S_FLIGHT::B(B)
- P(a);OGATEB::QAR2(C),XP(a)
- Refutation
- P(d);
- Try
- R(E);
- Vars
- P(a);OGATEB::QAR2(C),XP(a)
- P(d);OGATEB::QAR(C)
- Refutation
- P(b);
- Try
- R(E);
- Vars
- K(c);N_SPINP(a),S_FLIGHT::B(B)
- P(a);OGATEB::QAR2(C),XP(a)
- P(b);OGATEB,SBLOCK::QAR(C)
- Refutation
- P(d);
- Try
- R(E);
- Vars
- K(c);N_SPINP(a),S_FLIGHT::B(B)
- P(a);OGATEB::QAR2(C),XP(a)
- P(b);OGATEB,SBLOCK::QAR(C)
- Refutation
- P(d);
- Try
- R(E);
- Vars
- K(c);N_SPINP(a),S_FLIGHT::B(B)
- P(a);OGATEB::QAR2(C),XP(a)
- P(b);OGATEB,SBLOCK::QAR(C)
- Refutation
- P(d);
- Try
- R(E);
- Vars
- K(c);N_SPINP(a),S_FLIGHT::B(B)
- P(a);OGATEB::QAR2(C),XP(a)
- P(b);OGATEB,SBLOCK::QAR(C)
- Refutation
- P(d);
- Try
- Q(C);
- Vars
- K(c);N_SPINP(a),S_FLIGHT::QAB(C)
- Refutation
- P(d);
- Try
- Q(C);
- Vars
- K(c);N_SPINP(a),S_FLIGHT::QAB(C)
- Refutation
- P(b);
- Try
- Actual
- Q(C);
- Vars
- K(c);N_SPINP(a),S_FLIGHT::QAB(C)
- P(b);::QAB1(C)
- P(d);::QAB1(C)
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).