MESON Chess Problem Database

Problem Display
PID: 105582 (3B4/2P5/rP6/k7/P7/K7/8/8 w - - 0 1)

Kolpakov, Viktor Sergeevich

Kudesnik 02. TT, 1993

3B4/2P5/rP6/k7/P7/K7/8/8

#2

5 + 2

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.c8R?
      • threat
        • 2.Rc5#
      • 1...Rxb6
        • 2.Ra8#
      • 1...Ra8
        • 2.Rxa8#
      • 1...Ra7!
  • Keys
    • 1.c8Q!
      • threat
        • 2.Qf5#
        • 2.Qc3#
        • 2.Qc5#
      • 1...Rxb6
        • 2.Qa8#
      • 1...Ra7
        • 2.bxa7#
      • 1...Ra8
        • 2.Qxa8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • P(D);
      • Threat
        • R(D)
      • Vars
        • R(b);OGATEB,P_SPINR(b),XP(C)::R(D)
        • R(b);OGATEB::R(D),XR(b)
      • Refutation
        • R(b);
  • Actual
    • P(D);
    • Threat
      • DUALS(3)
    • Vars
      • R(b);OGATEB,P_SPINR(b),XP(C)::QAR(D)
      • R(b);OGATE::B(E)+P(C),XR(b)
      • R(b);OGATEB::QAR(D),XR(b)
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