MESON Chess Problem Database

Problem Display
PID: 10788 (kb6/8/1Q6/5K2/4R3/8/2b3B1/8 w - - 0 1)

Bartolovic, Hrvoje

Probleemblad, 1968

kb6/8/1Q6/5K2/4R3/8/2b3B1/8

#2

4 + 3

4883 Still More Fun with Chess Miniatures 2002
145 StrateGems 2016

SOLUTION

  • SOUND
  • Sets
    • 1...Bd1
      • 2.Re2#
      • 2.Ra4#
    • 1...Bb3
      • 2.Ra4#
      • 2.Rc4#
    • 1...Ba4
      • 2.Rxa4#
    • 1...Bxe4+
      • 2.Bxe4#
  • Tries
    • 1.Kg5?
      • threat
        • 2.Ra4#
      • 1...Bxe4
        • 2.Bxe4#
      • 1...Ba4
        • 2.Rxa4#
      • 1...Ba7
        • 2.Re8#
      • 1...Bf4+!
    • 1.Ke6?
      • threat
        • 2.Ra4#
      • 1...Bb3+
        • 2.Rc4#
      • 1...Bxe4
        • 2.Bxe4#
      • 1...Ba4
        • 2.Rxa4#
      • 1...Ba7!
    • 1.Kf6?
      • threat
        • 2.Ra4#
      • 1...Bxe4
        • 2.Bxe4#
      • 1...Ba4
        • 2.Rxa4#
      • 1...Ba7
        • 2.Re8#
      • 1...Be5+!
  • Keys
    • 1.Kg4!
      • threat
        • 2.Ra4#
      • 1...Bd1+
        • 2.Re2#
      • 1...Bxe4
        • 2.Bxe4#
      • 1...Ba4
        • 2.Rxa4#
      • 1...Ba7
        • 2.Re8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • B(a);N_PINR(B)::B(A)+R(B),DCHECK,XB(a)
    • B(a);CHECK,OGATE,P_SPINB(a),XR(B)::B(A),XB(a)
  • Tries
    • Try
      • K(C);N_SPINR(B),P-FLIGHT
      • Threat
        • B(A)+R(B),DCHECK
      • Vars
        • B(a);OGATE,P_SPINB(a),XR(B)::B(A),XB(a)
        • B(a);::B(A)+R(B),DCHECK,XB(a)
        • B(c);::B(A)+R(B),DCHECK
      • Refutation
        • B(c);CHECK
    • Try
      • K(C);N_SPINR(B),S_FLIGHT
      • Threat
        • B(A)+R(B),DCHECK
      • Vars
        • B(a);CHECK,N_GUARD::B(A)+R(B)
        • B(a);OGATE,P_SPINB(a),XR(B)::B(A),XB(a)
        • B(a);::B(A)+R(B),DCHECK,XB(a)
      • Refutation
        • B(c);
    • Try
      • K(C);N_SPINR(B),P-FLIGHT
      • Threat
        • B(A)+R(B),DCHECK
      • Vars
        • B(a);OGATE,P_SPINB(a),XR(B)::B(A),XB(a)
        • B(a);::B(A)+R(B),DCHECK,XB(a)
        • B(c);::B(A)+R(B),DCHECK
      • Refutation
        • B(c);CHECK
  • Actual
    • K(C);N_SPINR(B),S_FLIGHT
    • Threat
      • B(A)+R(B),DCHECK
    • Vars
      • B(a);CHECK,N_GUARD::B(A)+R(B)
      • B(a);OGATE,P_SPINB(a),XR(B)::B(A),XB(a)
      • B(a);::B(A)+R(B),DCHECK,XB(a)
      • B(c);::B(A)+R(B),DCHECK
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