MESON Chess Problem Database
Problem Display
PID: 68110 (2B5/b1p4p/2k3bR/2r1Q1K1/P1R5/8/7B/8 w - - 0 1)
Bouchez, Laurent
Makaronets, Leonid
Phenix, 1998
#2
7 + 6
SOLUTION
- SOUND
- Sets
- 1...Kb6
- 2.Qxc5#
- 1...Rxc4
- 2.Qb5#
- 1...Bb8
- 2.Qxc5#
- 1...Kb6
- Tries
- 1.Kf4?
- threat
- 2.Qe6#
- 1...Kb6
- 2.Qxc5#
- 1...Rxc4+!
- threat
- 1.Kg4?
- threat
- 2.Qe6#
- 1...Kb6
- 2.Qxc5#
- 1...Rxc4+!
- threat
- 1.Kh4?
- threat
- 2.Qe6#
- 1...Kb6
- 2.Qxc5#
- 1...Rxc4+!
- threat
- 1.Bg1?
- 1...Kb6
- 2.Qxc5#
- 1...Rxc4
- 2.Qe6#
- 1...Bb8
- 2.Qxc5#
- 1...Bb6!
- 1...Kb6
- 1.Bg3?
- 1...Kb6
- 2.Qxc5#
- 1...Rxc4
- 2.Qb5#
- 1...Bb8
- 2.Qxc5#
- 1...Bb6!
- 1...Kb6
- 1.Bf4?
- 1...Kb6
- 2.Qxc5#
- 1...Rxc4
- 2.Qb5#
- 1...Bb8
- 2.Qxc5#
- 1...Bb6!
- 1...Kb6
- 1.Rc1?
- 1...Kb6
- 2.Qxc5#
- 1...Rxc1
- 2.Qb5#
- 1...Rc2
- 2.Qb5#
- 1...Rc3
- 2.Qb5#
- 1...Rc4
- 2.Qb5#
- 1...Bb8
- 2.Qxc5#
- 1...Bb6!
- 1...Kb6
- 1.Rc2?
- 1...Kb6
- 2.Qxc5#
- 1...Rxc2
- 2.Qb5#
- 1...Rc3
- 2.Qb5#
- 1...Rc4
- 2.Qb5#
- 1...Bb8
- 2.Qxc5#
- 1...Bb6!
- 1...Kb6
- 1.Rc3?
- 1...Kb6
- 2.Qxc5#
- 1...Rxc3
- 2.Qb5#
- 1...Rc4
- 2.Qb5#
- 1...Bb8
- 2.Qxc5#
- 1...Bb6!
- 1...Kb6
- 1.Rxc5+?
- 1...Kb6
- 2.Qxc7#
- 2.a5#
- 1...Bxc5!
- 1...Kb6
- 1.Qd5+?
- 1...Kb6
- 2.Qxc5#
- 1...Kxd5!
- 1...Kb6
- 1.Qf5?
- 1...Kb6
- 2.Qxc5#
- 1...Rxc4
- 2.Qb5#
- 1...Bb8
- 2.Qxc5#
- 1...Bb6!
- 1...Kb6
- 1.Kf4?
- Keys
- 1.Kf6!
- threat
- 2.Qe6#
- 1...Kb6
- 2.Qxc5#
- 1...Rxc4
- 2.Qb5#
- 1...Bf5
- 2.Kxf5#
- 1...Bf7
- 2.Kxf7#
- threat
- 1.Kf6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 1
- Sets
- K(b);N_SPINR(a),P-FLIGHT::QAB1(D),XR(a)
- R(a);N_PINQ(D),N_SPINR(a),XR(C)::QAB1(D)
- B(d);N_GUARD::QAR1(D),XR(a)
- Tries
- Try
- K(E);N_SPINQ(D),S_FLIGHT
- Threat
- QAR2(D)
- Vars
- K(b);N_SPINR(a),P-FLIGHT::QAB1(D),XR(a)
- Refutation
- R(a);CHECK,N_SPINR(a),XR(C)
- Try
- K(E);N_SPINQ(D),P-FLIGHT
- Threat
- QAR2(D)
- Vars
- K(b);N_SPINR(a),P-FLIGHT::QAB1(D),XR(a)
- Refutation
- R(a);CHECK,N_SPINR(a),XR(C)
- Try
- K(E);N_SPINQ(D),S_FLIGHT
- Threat
- QAR2(D)
- Vars
- K(b);N_SPINR(a),P-FLIGHT::QAB1(D),XR(a)
- Refutation
- R(a);CHECK,N_SPINR(a),XR(C)
- Try
- B(A);
- Vars
- K(b);P-FLIGHT::QAB1(D),XR(a)
- R(a);N_PINQ(D),N_SPINR(a),XR(C)::QAR2(D)
- B(d);N_GUARD::QAR1(D),XR(a)
- Refutation
- B(d);
- Try
- B(A);
- Vars
- K(b);N_SPINR(a),P-FLIGHT::QAB1(D),XR(a)
- R(a);N_PINQ(D),N_SPINR(a),XR(C)::QAB1(D)
- B(d);N_GUARD::QAR1(D),XR(a)
- Refutation
- B(d);
- Try
- B(A);
- Vars
- K(b);N_SPINR(a),P-FLIGHT::QAB1(D),XR(a)
- R(a);N_PINQ(D),N_SPINR(a),XR(C)::QAB1(D)
- B(d);N_GUARD::QAR1(D),XR(a)
- Refutation
- B(d);
- Try
- R(C);
- Vars
- K(b);N_SPINR(a),P-FLIGHT::QAB1(D),XR(a)
- R(a);N_PINQ(D),N_SPINR(a),XR(C)::QAB1(D)
- R(a);N_PINQ(D)::QAB1(D)
- B(d);N_GUARD::QAR1(D),XR(a)
- Refutation
- B(d);
- Try
- R(C);
- Vars
- K(b);N_SPINR(a),P-FLIGHT::QAB1(D),XR(a)
- R(a);N_PINQ(D),N_SPINR(a),XR(C)::QAB1(D)
- R(a);N_PINQ(D)::QAB1(D)
- B(d);N_GUARD::QAR1(D),XR(a)
- Refutation
- B(d);
- Try
- R(C);
- Vars
- K(b);N_SPINR(a),P-FLIGHT::QAB1(D),XR(a)
- R(a);N_PINQ(D),N_SPINR(a),XR(C)::QAB1(D)
- R(a);N_PINQ(D)::QAB1(D)
- B(d);N_GUARD::QAR1(D),XR(a)
- Refutation
- B(d);
- Try
- R(C);CHECK,N_SPINQ(D),XR(a)
- Refutation
- B(d);XR(C)
- Try
- Q(D);CHECK
- Vars
- K(b);N_SPINR(a),P-FLIGHT::QAB1(D),XR(a)
- Refutation
- K(b);N_SPINB(c),N_SPINR(a),S_FLIGHT,XQ(D)
- Try
- Q(D);
- Vars
- K(b);N_SPINR(a),P-FLIGHT::QAB1(D),XR(a)
- R(a);N_PINQ(D),N_SPINR(a),XR(C)::QAB1(D)
- B(d);N_GUARD::QAR1(D),XR(a)
- Refutation
- B(d);
- Try
- Actual
- K(E);N_PINB(c),N_SPINQ(D),S_FLIGHT
- Threat
- QAR2(D)
- Vars
- K(b);N_SPINR(a),P-FLIGHT::QAB1(D),XR(a)
- R(a);N_SPINR(a),OGATE,XR(C)::QAB1(D)
- B(c);::R(F)+K(E),XB(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).