MESON Chess Problem Database

Problem Display
PID: 136296 (8/8/Q1p2R2/Bp6/4N3/1R3P2/1N2P3/1B3k1K w - - 0 1)

Bourd, Evgeny

Source?, 0000

8/8/Q1p2R2/Bp6/4N3/1R3P2/1N2P3/1B3k1K

#2

10 + 3

6490 yacpdb 2010

SOLUTION

  • SOUND
  • Tries
    • 1.Bd2?
      • 1...Kxe2
        • 2.Bd3#
      • 1...b4
        • 2.e3#
      • 1...c5!
    • 1.Qb6?
      • threat
        • 2.Sg3#
        • 2.Qf2#
      • 1...Kxe2
        • 2.Sg3#
        • 2.Bd3#
        • 2.Qf2#
      • 1...b4
        • 2.Qf2#
      • 1...c5!
    • 1.Qxc6?
      • 1...Kxe2
        • 2.Qxb5#
      • 1...b4!
    • 1.Qa7?
      • threat
        • 2.Sg3#
        • 2.Qf2#
      • 1...Kxe2
        • 2.Sg3#
        • 2.Bd3#
        • 2.Qf2#
      • 1...b4
        • 2.Qf2#
      • 1...c5!
  • Keys
    • 1.Rxc6!
      • 1...Kxe2
        • 2.Qxb5#
      • 1...b4
        • 2.Rc1#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(H);
      • Vars
        • K(a);OGATEB,P_SPINP(b),S_FLIGHT,XP(D)::B(A)
        • P(b);::QAB(I)+P(D)
      • Refutation
        • P(c);
    • Try
      • Q(I);
      • Threat
        • DUALS(2)
      • Vars
        • P(b);::QAR1(I)
      • Refutation
        • P(c);
    • Try
      • Q(I);XP(c)
      • Vars
        • K(a);OGATEB,S_FLIGHT,XP(D)::QAB(I),XP(b)
      • Refutation
        • P(b);
    • Try
      • Q(I);
      • Threat
        • DUALS(2)
      • Vars
        • P(b);::QAR1(I)
      • Refutation
        • P(c);
  • Actual
    • R(J);XP(c)
    • Vars
      • K(a);OGATEB,P_SPINP(b),S_FLIGHT,XP(D)::QAB(I),XP(b)
      • P(b);::R(J)
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