MESON Chess Problem Database

Problem Display
PID: 7811 (B6K/5R1n/1p2kr2/1r1RNp2/1P2pB2/8/6Q1/8 w - - 0 1)

Gorbatenko, Yuri Grigorevich

3rd Prize, Thema Danicum, 1993

B6K/5R1n/1p2kr2/1r1RNp2/1P2pB2/8/6Q1/8

#2

8 + 7

3705 Album Russia (1992-1994) 2000

SOLUTION

  • SOUND
  • Tries
    • 1.Rxb5?
      • threat
        • 2.Rxb6#
      • 1...Kd6
        • 2.Rxb6#
      • 1...Rxf7!
    • 1.Rfd7?
      • threat
        • 2.R5d6#
      • 1...Rxd5
        • 2.Bxd5#
      • 1...Rf8+!
    • 1.Qd2?
      • threat
        • 2.Rd6#
      • 1...Rxd5
        • 2.Qxd5#
      • 1...Rxf7!
    • 1.Qg7?
      • threat
        • 2.Re7#
      • 1...Rxf7
        • 2.Qxf7#
      • 1...Rxd5!
  • Keys
    • 1.Sc6!
      • threat
        • 2.Sd8#
      • 1...Kxd5
        • 2.Qa2#
      • 1...Kxf7
        • 2.Qg8#
      • 1...Rxd5
        • 2.Re7#
      • 1...Rxf7
        • 2.Rd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(D);XR(b)
      • Threat
        • R(D),XP(d)
      • Vars
        • K(e);P-FLIGHT::R(D),XP(d)
      • Refutation
        • R(f);XR(F)
    • Try
      • R(F);
      • Threat
        • R1(D)
      • Vars
        • R(b);OGATE,XR(D)::B(G),XR(b)
      • Refutation
        • R(f);CHECK
    • Try
      • Q(A);
      • Threat
        • R1(D)
      • Vars
        • R(b);OGATE,XR(D)::QAB1(A),XR(b)
      • Refutation
        • R(f);XR(F)
    • Try
      • Q(A);
      • Threat
        • R1(F)
      • Vars
        • R(f);OGATE,XR(F)::QAB1(A),XR(f)
      • Refutation
        • R(b);XR(D)
  • Actual
    • S(E);
    • Threat
      • S(E)
    • Vars
      • K(e);OGATEB,P_SPINP(a),S_FLIGHT,XR(D)::QAB(A)
      • K(e);OGATEB,S_FLIGHT,XR(F)::QAB1(A)
      • R(b);SBLOCK,XR(D)::R1(F)
      • R(f);SBLOCK,XR(F)::R1(D)
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