MESON Chess Problem Database

Problem Display
PID: 96365 (3R4/3B3p/4P2r/K1pkP2p/1pNb3R/1Q6/8/7b w - - 0 1)

Delobel, Bernard

Problemesis, 2005

3R4/3B3p/4P2r/K1pkP2p/1pNb3R/1Q6/8/7b

#2

8 + 8

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Kb5?
      • threat
        • 2.Bc8#
      • 1...Rxe6
        • 2.Bc6#
      • 1...Bxe5!
    • 1.Kb6?
      • threat
        • 2.Bc8#
      • 1...Rxe6+
        • 2.Bc6#
      • 1...Bxe5!
    • 1.Qf3+?
      • 1...Kxc4
        • 2.Bb5#
      • 1...Bxf3!
    • 1.Qg3?
      • threat
        • 2.Sb6#
      • 1...Kxc4
        • 2.Bb5#
      • 1...Bxe5
        • 2.Qxe5#
      • 1...Rxe6!
  • Keys
    • 1.Qh3!
      • threat
        • 2.Bb5#
      • 1...Kxc4
        • 2.Bb5#
      • 1...Rxe6
        • 2.Qxe6#
      • 1...Bxe5
        • 2.Qxh1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(D);P-FLIGHT
      • Threat
        • R(H)+B(G)
      • Vars
        • R(g);SBLOCK,XP(F)::R(H)+B(G),DCHECK
      • Refutation
        • B(c);XP(E)
    • Try
      • K(D);P_SPINP(F),S_FLIGHT
      • Threat
        • R(H)+B(G)
      • Vars
        • R(g);CHECK,SBLOCK,XP(F)::R(H)+B(G),DCHECK
      • Refutation
        • B(c);XP(E)
    • Try
      • Q(A);CHECK
      • Vars
        • K(e);P_SPINB(c),S_FLIGHT,XS(B)::B(G)
      • Refutation
        • B(a);XQ(A)
    • Try
      • Q(A);
      • Threat
        • S(B)
      • Vars
        • K(e);P_SPINB(c),S_FLIGHT,XS(B)::B(G)
        • B(c);OGATE,XP(E)::QAR1(A),XB(c)
      • Refutation
        • R(g);XP(F)
  • Actual
    • Q(A);
    • Threat
      • R(H)+B(G)
    • Vars
      • K(e);P_SPINB(c),S_FLIGHT,XS(B)::B(G)
      • R(g);OGATE,XP(F)::QAB1(A),XR(g)
      • B(c);XP(E)::QAB(A),XB(a)
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