MESON Chess Problem Database

Problem Display
PID: 67814 (4K3/3p4/3RPRp1/2p2PP1/2PPk3/4p2p/4Q2B/8 w - - 0 1)

Bogdanov, Evgeny Mikhailovich

Phenix, 1999

4K3/3p4/3RPRp1/2p2PP1/2PPk3/4p2p/4Q2B/8

#2

10 + 6

SOLUTION

  • SOUND
  • Tries
    • 1.Qd1?
      • 1...cxd4
        • 2.Rxd4#
      • 1...dxe6
        • 2.Rdxe6#
      • 1...e2
        • 2.Qxe2#
      • 1...gxf5!
    • 1.Qf1?
      • 1...gxf5
        • 2.Qxf5#
      • 1...dxe6
        • 2.Rfxe6#
      • 1...e2
        • 2.Qxe2#
      • 1...cxd4!
  • Keys
    • 1.exd7!
      • 1...cxd4
        • 2.Rde6#
      • 1...gxf5
        • 2.Rfe6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);N_PINP(a)
      • Vars
        • P(d);OGATE,XP(D)::R1(G),XP(d)
        • P(f);OGATE,XP(H)::R(G),XP(f)
        • P(a);OGATEB::QAR2(A),XP(a)
      • Refutation
        • P(e);XP(E)
    • Try
      • Q(A);N_PINP(a)
      • Vars
        • P(e);OGATE,XP(E)::QAB1(A),XP(e)
        • P(f);OGATE,XP(H)::R(I),XP(f)
        • P(a);OGATEB::QAR2(A),XP(a)
      • Refutation
        • P(d);XP(D)
  • Actual
    • P(H);XP(f)
    • Vars
      • P(d);SBLOCK,XP(D)::R(G)
      • P(e);SBLOCK,XP(E)::R(I)
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