MESON Chess Problem Database

Problem Display
PID: 103287 (2B5/2p5/1pKP2Q1/k4P2/2R5/2p5/8/4b3 w - - 0 1)

Marandiuk, Mikhail Nazarovich

Chervoni Girnik, 1972

2B5/2p5/1pKP2Q1/k4P2/2R5/2p5/8/4b3

#2

6 + 5

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Qg7?
      • 1...cxd6
        • 2.Qa7#
      • 1...Bf2
        • 2.Qxc3#
      • 1...Bg3
        • 2.Qxc3#
      • 1...Bh4
        • 2.Qxc3#
      • 1...c2
        • 2.Qa1#
      • 1...b5
        • 2.Qxc7#
      • 1...Bd2!
  • Keys
    • 1.Qg1!
      • 1...cxd6
        • 2.Qxb6#
      • 1...Bd2
        • 2.Qa1#
      • 1...Bf2
        • 2.Qa1#
      • 1...Bg3
        • 2.Qa1#
      • 1...Bh4
        • 2.Qa1#
      • 1...c2
        • 2.Qxe1#
      • 1...b5
        • 2.Qa7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(E);
      • Vars
        • P(e);OGATE,XP(D)::QAR2(E)
        • B(a);N_GUARD::QAB(E),XP(b)
        • P(b);OGATE::QAR(E)
        • P(d);OGATEB::QAB(E),XP(e)
      • Refutation
        • B(a);
  • Actual
    • Q(E);
    • Vars
      • P(e);N_GUARD,XP(D)::QAB1(E),XP(d)
      • B(a);OGATE::QAR(E)
      • P(b);OGATEB::QAB(E),XB(a)
      • P(d);OGATE::QAR2(E)
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