MESON Chess Problem Database

Problem Display
PID: 232920 (4B3/8/8/8/2Q3p1/6kb/7R/6K1 w - - 0 1)

Evdokimov, Aleksey

Kudesnik, 2010

4B3/8/8/8/2Q3p1/6kb/7R/6K1

#2

4 + 3

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Bd7?
      • 1...Kh4
        • 2.Qxg4#
      • 1...Bf1
        • 2.Qxg4#
      • 1...Bg2
        • 2.Qxg4#
      • 1...Kf3!
  • Keys
    • 1.Bh5!
      • 1...Kf3
        • 2.Rxh3#
      • 1...Kh4
        • 2.Qxg4#
      • 1...Bf1
        • 2.Qxg4#
      • 1...Bg2
        • 2.Qxg4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(D);
      • Vars
        • K(a);P_SPINB(b),P_SPINP(c),S_FLIGHT::QAR1(C),XP(c)
        • B(b);N_GUARD::QAR1(C),XP(c)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • B(D);
    • Vars
      • K(a);P-FLIGHT,P_SPINP(c)::R(B),XB(b)
      • K(a);P_SPINB(b),P_SPINP(c),S_FLIGHT::QAR1(C),XP(c)
      • B(b);N_GUARD::QAR1(C),XP(c)
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