MESON Chess Problem Database

Problem Display
PID: 256872 (2K3B1/5R1P/R1p5/3k1p2/Qb3r2/8/4P2B/8 w - - 0 1)

Bartolovic, Hrvoje

Sp. Prize, Springaren, 1991

2K3B1/5R1P/R1p5/3k1p2/Qb3r2/8/4P2B/8

#2

8 + 5

15601 Albrecht-Leiss-Degener Collection 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Rd4
      • 2.Qxc6#
    • 1...Bd6
      • 2.Rxf5#
  • Tries
    • 1.Re7+?
      • 1...Kd4
        • 2.Qxb4#
      • 1...Kd6
        • 2.Qxb4#
      • 1...Kc5!
    • 1.Qxc6+?
      • 1...Ke5
        • 2.h8Q#
        • 2.h8B#
      • 1...Kd4!
    • 1.h8B?
      • threat
        • 2.Qxc6#
      • 1...Kc4
        • 2.Rxf5#
      • 1...Ke4
        • 2.Re7#
      • 1...Kc5
        • 2.Qxc6#
      • 1...Kd6
        • 2.Qxc6#
      • 1...Ke6
        • 2.Rd7#
      • 1...Bc5
        • 2.Rd7#
      • 1...Bd6
        • 2.Rxf5#
      • 1...c5
        • 2.Re7#
      • 1...Rc4!
  • Keys
    • 1.h8Q!
      • threat
        • 2.Qxc6#
      • 1...Kc4
        • 2.Rxf5#
      • 1...Ke4
        • 2.Re7#
      • 1...Kc5
        • 2.Qxc6#
      • 1...Kd6
        • 2.Qxc6#
      • 1...Ke6
        • 2.Rd7#
      • 1...Rc4
        • 2.Qe5#
      • 1...Bc5
        • 2.Rd7#
      • 1...Bd6
        • 2.Rxf5#
      • 1...c5
        • 2.Re7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 1
  • Sets
    • R(b);SBLOCK::QAB1(C),XP(e)
    • B(a);SBLOCK::B(H)+R(E),DCHECK,XP(d)
  • Tries
    • Try
      • R(E);CHECK
      • Vars
        • K(c);P-FLIGHT,P_SPINB(a)::QAR2(C),XB(a)
        • K(c);P-FLIGHT,P_SPINP(e),P_SPINR(b)::QAB(C),XB(a)
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • Q(C);CHECK,XP(e)
      • Vars
        • K(c);P-FLIGHT,P_SPINR(b)::P=Q
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • P(F);
      • Threat
        • QAB1(C),XP(e)
      • Vars
        • K(c);N_GUARD,P_SPINB(a),S_FLIGHT::B(H)+R(E),XP(d)
        • K(c);N_GUARD,P_SPINB(a),S_FLIGHT::R(E)
        • K(c);P-FLIGHT::QAR1(C),XP(e)
        • K(c);P-FLIGHT,P_SPINP(e),P_SPINR(b)::QAR1(C),XP(e)
        • K(c);N_GUARD,P_SPINP(e),S_FLIGHT::B(H)+R(E)
        • B(a);SBLOCK::B(H)+R(E),DCHECK
        • B(a);SBLOCK::B(H)+R(E),DCHECK,XP(d)
        • P(e);SBLOCK::B(H)+R(E)
      • Refutation
        • R(b);
  • Actual
    • P(F);
    • Threat
      • QAB1(C),XP(e)
    • Vars
      • K(c);N_GUARD,P_SPINB(a),S_FLIGHT::B(H)+R(E),XP(d)
      • K(c);N_GUARD,P_SPINB(a),S_FLIGHT::R(E)
      • K(c);P-FLIGHT::QAR1(C),XP(e)
      • K(c);P-FLIGHT,P_SPINP(e),P_SPINR(b)::QAR1(C),XP(e)
      • K(c);N_GUARD,P_SPINP(e),S_FLIGHT::B(H)+R(E)
      • R(b);SBLOCK::QAR1(F)
      • B(a);SBLOCK::B(H)+R(E),DCHECK
      • B(a);SBLOCK::B(H)+R(E),DCHECK,XP(d)
      • P(e);SBLOCK::B(H)+R(E)
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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).