MESON Chess Problem Database

Problem Display
PID: 276425 (6R1/3p2PP/3P2kp/3P2BN/8/6K1/1pR5/1B6 w - - 0 1)

Koludrovic, Branko

Mat, 1981

6R1/3p2PP/3P2kp/3P2BN/8/6K1/1pR5/1B6

#2

10 + 4

SOLUTION

  • SOUND
  • Sets
    • 1...Kf7
      • 2.Rf2#
    • 1...Kxh7
      • 2.Rcc8#
  • Tries
    • 1.Kg4?
      • threat
        • 2.Rf2#
      • 1...Kf7
        • 2.Rf2#
      • 1...Kxh7
        • 2.Rcc8#
      • 1...hxg5!
    • 1.Kh4?
      • threat
        • 2.Rf2#
      • 1...Kf5
        • 2.Re2#
      • 1...Kf7
        • 2.Rf2#
      • 1...Kxh7
        • 2.Rcc8#
      • 1...hxg5+!
    • 1.Be3?
      • 1...Kxh5
        • 2.Rh2#
      • 1...Kf7
        • 2.Rf2#
      • 1...Kxh7
        • 2.Rcc8#
      • 1...Kf5!
    • 1.Bf4?
      • 1...Kf5
        • 2.Rc1#
        • 2.Rxb2#
        • 2.Rd2#
        • 2.Re2#
        • 2.Rf2#
        • 2.Rg2#
        • 2.Rh2#
        • 2.Rc3#
        • 2.Rc4#
        • 2.Rc5#
        • 2.Rc6#
        • 2.Rc7#
        • 2.Rcc8#
      • 1...Kxh5
        • 2.Rh2#
      • 1...Kxh7
        • 2.Rcc8#
      • 1...Kf7!
    • 1.Bh4?
      • 1...Kf5
        • 2.Re2#
      • 1...Kf7
        • 2.Rf2#
      • 1...Kxh7
        • 2.Rcc8#
      • 1...Kxh5!
    • 1.Bf6?
      • 1...Kf5
        • 2.Rc1#
        • 2.Rxb2#
        • 2.Rd2#
        • 2.Re2#
        • 2.Rf2#
        • 2.Rg2#
        • 2.Rh2#
        • 2.Rc3#
        • 2.Rc4#
        • 2.Rc5#
        • 2.Rc6#
        • 2.Rc7#
        • 2.Rcc8#
      • 1...Kxh5
        • 2.Rh2#
      • 1...Kxh7
        • 2.Rcc8#
      • 1...Kf7!
    • 1.Bd8?
      • 1...Kf5
        • 2.Re2#
      • 1...Kxh5
        • 2.Rh2#
      • 1...Kf7
        • 2.Rf2#
      • 1...Kxh7!
    • 1.Re2+?
      • 1...Kxg5
        • 2.Re5#
      • 1...Kf7
        • 2.Rf2#
        • 2.Re7#
        • 2.Rf8#
      • 1...Kxh5!
    • 1.Rh2+?
      • 1...Kf7
        • 2.Rf2#
        • 2.Rf8#
      • 1...Kxg5!
  • Keys
    • 1.Be7!
      • 1...Kf5
        • 2.Re2#
      • 1...Kxh5
        • 2.Rh2#
      • 1...Kf7
        • 2.Rf2#
      • 1...Kxh7
        • 2.Rcc8#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(b);N_GUARD,S_FLIGHT::R(B)
    • K(b);N_GUARD,S_FLIGHT,XP(I)::B(A)+R(B)
  • Tries
    • Try
      • K(C);P-FLIGHT
      • Threat
        • B(A)+R(B)
      • Vars
        • K(b);S_FLIGHT::R(B)
        • K(b);N_GUARD,S_FLIGHT,XP(I)::B(A)+R(B)
      • Refutation
        • P(c);XB(E)
    • Try
      • K(C);S_FLIGHT
      • Threat
        • B(A)+R(B)
      • Vars
        • K(b);N_GUARD,S_FLIGHT::B(A)+R(B)
        • K(b);S_FLIGHT::R(B)
        • K(b);N_GUARD,S_FLIGHT,XP(I)::B(A)+R(B)
      • Refutation
        • P(c);CHECK,XB(E)
    • Try
      • B(E);
      • Vars
        • K(b);N_GUARD,S_FLIGHT,XS(F)::R(B)
        • K(b);N_GUARD,S_FLIGHT::R(B)
        • K(b);N_GUARD,S_FLIGHT,XP(I)::B(A)+R(B)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • B(E);
      • Vars
        • K(b);N_GUARD,S_FLIGHT,XS(F)::R(B)
        • K(b);N_GUARD,S_FLIGHT,XP(I)::B(A)+R(B)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • B(E);
      • Vars
        • K(b);N_GUARD,S_FLIGHT::B(A)+R(B)
        • K(b);N_GUARD,S_FLIGHT::R(B)
        • K(b);N_GUARD,S_FLIGHT,XP(I)::B(A)+R(B)
      • Refutation
        • K(b);S_FLIGHT,XS(F)
    • Try
      • B(E);
      • Vars
        • K(b);N_GUARD,S_FLIGHT,XS(F)::R(B)
        • K(b);N_GUARD,S_FLIGHT,XP(I)::B(A)+R(B)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • B(E);
      • Vars
        • K(b);N_GUARD,S_FLIGHT::B(A)+R(B)
        • K(b);N_GUARD,S_FLIGHT,XS(F)::R(B)
        • K(b);N_GUARD,S_FLIGHT::R(B)
      • Refutation
        • K(b);S_FLIGHT,XP(I)
    • Try
      • R(B);CHECK
      • Vars
        • K(b);N_GUARD,P-FLIGHT,XB(E)::R(B)
      • Refutation
        • K(b);S_FLIGHT,XS(F)
    • Try
      • R(B);CHECK
      • Refutation
        • K(b);P-FLIGHT,XB(E)
  • Actual
    • B(E);
    • Vars
      • K(b);N_GUARD,S_FLIGHT::B(A)+R(B)
      • K(b);N_GUARD,S_FLIGHT,XS(F)::R(B)
      • K(b);N_GUARD,S_FLIGHT::R(B)
      • K(b);N_GUARD,S_FLIGHT,XP(I)::B(A)+R(B)
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