MESON Chess Problem Database

Problem Display
PID: 32089 (r4b2/p4K2/4pN2/5k1p/3P2bP/3prPP1/3R4/4R2Q w - - 0 1)

Modlitba, Zdenek

Hlas l'udu, 1988

r4b2/p4K2/4pN2/5k1p/3P2bP/3prPP1/3R4/4R2Q

#2

9 + 9

3449 Czech Album (1988-1990) 1995

SOLUTION

  • SOUND
  • Sets
    • 1...Rxf3
      • 2.Re5#
    • 1...Re4
      • 2.fxe4#
    • 1...Re5
      • 2.Rxe5#
    • 1...Bh3
      • 2.Qxh3#
  • Tries
    • 1.Rf1?
      • threat
        • 2.fxg4#
      • 1...Bxf3
        • 2.Qh3#
      • 1...Bh3
        • 2.Qxh3#
      • 1...Rxf3!
    • 1.Rxe3?
      • threat
        • 2.Re5#
      • 1...e5
        • 2.Rxe5#
      • 1...Bd6!
    • 1.Qf1?
      • threat
        • 2.fxg4#
      • 1...Rxf3
        • 2.Re5#
      • 1...Bh3
        • 2.Qxh3#
      • 1...Bxf3!
  • Keys
    • 1.Rf2!
      • threat
        • 2.fxg4#
      • 1...Rxf3
        • 2.Re5#
      • 1...Bxf3
        • 2.Qh3#
      • 1...Bh3
        • 2.Qxh3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 2
  • Sets
    • R(b);OGATE,XP(D)::R1(A)
    • R(b);OGATE::P(D),XR(b)
    • R(b);OGATE::R1(A),XR(b)
    • B(c);OGATEB::QAB(B),XB(c)
  • Tries
    • Try
      • R(A);
      • Threat
        • R(A)+P(D)DCHECK,XB(c)
      • Vars
        • B(c);OGATEB,P_SPINB(c),XP(D)::QAB(B)
        • B(c);OGATEB::QAB(B),XB(c)
      • Refutation
        • R(b);P_SPINR(b),XP(D)
    • Try
      • R(A);XR(b)
      • Threat
        • R1(A)
      • Vars
        • P(f);::R1(A),XP(f)
      • Refutation
        • B(i);
    • Try
      • Q(B);
      • Threat
        • QAR(B)+P(D)DCHECK,XB(c)
      • Vars
        • R(b);OGATE,P_SPINR(b),XP(D)::R1(A)
        • B(c);OGATEB::QAB(B),XB(c)
      • Refutation
        • B(c);P_SPINB(c),XP(D)
  • Actual
    • R(C);
    • Threat
      • R(C)+P(D)DCHECK,XB(c)
    • Vars
      • R(b);OGATE,P_SPINR(b),XP(D)::R1(A)
      • B(c);OGATEB,P_SPINB(c),XP(D)::QAB(B)
      • B(c);OGATEB::QAB(B),XB(c)
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