MESON Chess Problem Database

Problem Display
PID: 224156 (8/3r1p2/1Q1PkB2/3p2K1/3p4/3P4/8/8 w - - 0 1)

Caplin, Aleksandr Borisovich

Sachova skladba, 2004

8/3r1p2/1Q1PkB2/3p2K1/3p4/3P4/8/8

#2

5 + 5

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Qc7?
      • 1...Rxd6
        • 2.Qe7#
      • 1...Re7
        • 2.Qxe7#
      • 1...Rd8
        • 2.Qe7#
      • 1...Rxc7!
  • Keys
    • 1.Qc6!
      • 1...Rxd6
        • 2.Qe8#
      • 1...Ra7
        • 2.d7#
      • 1...Rb7
        • 2.d7#
      • 1...Rc7
        • 2.dxc7#
      • 1...Re7
        • 2.dxe7#
        • 2.d7#
      • 1...Rd8
        • 2.d7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(C);
      • Vars
        • R(d);OGATE,XP(D)::QAR1(C)
        • R(d);OGATE::QAR1(C),XR(d)
        • R(d);OGATE::QAR1(C)
      • Refutation
        • R(d);XQ(C)
  • Actual
    • Q(C);
    • Vars
      • R(d);OGATE,P_SPINR(d),SBLOCK,XP(D)::QAR2(C)
      • R(d);OGATE::QAR(C)+P(D)
      • R(d);OGATE::QAR(C)+P(D),XR(d)
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