MESON Chess Problem Database
Problem Display
PID: 258639 (8/2K5/3p4/1pk5/2P5/2Q5/8/2R5 w - - 0 1)
Velikhanov, Kenan
64 Shakhmatnoe obozrenie, 2022
#2
4 + 3
SOLUTION
- SOUND
- Sets
- 1...bxc4
- 2.Qxc4#
- 1...b4
- 2.Qe3#
- 1...bxc4
- Tries
- 1.Kb7?
- 1...bxc4
- 2.Qxc4#
- 1...b4
- 2.Qe3#
- 1...d5!
- 1...bxc4
- 1.Ra1?
- 1...bxc4
- 2.Ra5#
- 1...b4
- 2.Ra5#
- 1...d5!
- 1...bxc4
- 1.Rc2?
- 1...bxc4
- 2.Qxc4#
- 1...b4
- 2.Qe3#
- 1...d5!
- 1...bxc4
- 1.Qb2?
- 1...b4
- 2.Qf2#
- 1...d5
- 2.cxb5#
- 1...bxc4!
- 1...b4
- 1.Qd2?
- threat
- 2.Qxd6#
- 1...d5
- 2.cxd5#
- 1...bxc4!
- threat
- 1.Qa3+?
- 1...b4
- 2.Qe3#
- 2.Qa7#
- 1...Kd4!
- 1...b4
- 1.Kb7?
- Keys
- 1.Rd1!
- threat
- 2.Rd5#
- 1...bxc4
- 2.Qa5#
- 1...d5
- 2.Rxd5#
- 2.cxd5#
- threat
- 1.Rd1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 0
- REMOVED MATES = 1
- Sets
- P(a);OGATE,P_SPINP(a),XP(C)::QAR1(B),XP(a)
- P(a);SBLOCK::QAB(B)
- Tries
- Try
- K(D);P-FLIGHT
- Vars
- P(a);OGATE,P_SPINP(a),XP(C)::QAR1(B),XP(a)
- P(a);SBLOCK::QAB(B)
- Refutation
- P(c);
- Try
- R(A);
- Vars
- P(a);OGATEB,P_SPINP(a),XP(C)::R(A)
- P(a);OGATEB::R(A)
- Refutation
- P(c);
- Try
- R(A);
- Vars
- P(a);OGATE,P_SPINP(a),XP(C)::QAR1(B),XP(a)
- P(a);SBLOCK::QAB(B)
- Refutation
- P(c);
- Try
- Q(B);
- Vars
- P(a);SBLOCK::QAB(B)
- P(c);SBLOCK::R(A)+P(C),XP(a)
- Refutation
- P(a);P_SPINP(a),XP(C)
- Try
- Q(B);
- Threat
- QAB1(B),XP(c)
- Vars
- P(c);OGATE::R(A)+P(C),XP(c)
- Refutation
- P(a);P_SPINP(a),XP(C)
- Try
- Q(B);CHECK
- Refutation
- K(b);S_FLIGHT
- Try
- Actual
- R(A);
- Threat
- R1(A)
- Vars
- P(a);OGATEB,P_SPINP(a),SBLOCK,XP(C)::QAR2(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).