MESON Chess Problem Database

Problem Display
PID: 109661 (8/8/8/6Q1/2ppk3/8/2N4K/5B2 w - - 0 1)

Vuksna, K

Serp i molot, 1989

8/8/8/6Q1/2ppk3/8/2N4K/5B2

#2

4 + 3

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kf3
      • 2.Qf5#
    • 1...d3
      • 2.Bg2#
  • Tries
    • 1.Kg3?
      • 1...d3
        • 2.Bg2#
      • 1...c3!
    • 1.Kh3?
      • 1...Kf3
        • 2.Qf5#
      • 1...d3
        • 2.Bg2#
      • 1...c3!
    • 1.Qe5+?
      • 1...Kf3
        • 2.Qf5#
      • 1...Kxe5!
  • Keys
    • 1.Bxc4!
      • 1...Kf3
        • 2.Qf5#
      • 1...d3
        • 2.Bd5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(c);S_FLIGHT::QAR2(D)
    • P(b);SBLOCK::B(A)
  • Tries
    • Try
      • K(C);S_FLIGHT
      • Vars
        • P(b);SBLOCK::B(A)
      • Refutation
        • P(a);
    • Try
      • K(C);P-FLIGHT
      • Vars
        • K(c);S_FLIGHT::QAR2(D)
        • P(b);SBLOCK::B(A)
      • Refutation
        • P(a);
    • Try
      • Q(D);CHECK
      • Vars
        • K(c);S_FLIGHT::QAR2(D)
      • Refutation
        • K(c);P-FLIGHT,XQ(D)
  • Actual
    • B(A);XP(a)
    • Vars
      • K(c);S_FLIGHT::QAR2(D)
      • P(b);SBLOCK::B(A)
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