MESON Chess Problem Database

Problem Display
PID: 22229 (2B1nrbr/7R/pNp1PN2/p1k3KR/8/np2p3/2PP1B2/1q2b3 w - - 0 1)

Muller, Dieter

1st Prize, Pituk-90 JT, 1994-1997

2B1nrbr/7R/pNp1PN2/p1k3KR/8/np2p3/2PP1B2/1q2b3

#2

10 + 13

SOLUTION

  • SOUND
  • Tries
    • 1.Kf4+?
      • 1...Kb4
        • 2.c3#
      • 1...Kd4
        • 2.Bxe3#
      • 1...Kxb6
        • 2.Rb7#
      • 1...Kd6!
    • 1.Kh4+?
      • 1...Kb4
        • 2.c3#
      • 1...Kxb6
        • 2.Rb7#
      • 1...Kd6
        • 2.Se4#
      • 1...Kd4!
    • 1.Kg6+?
      • 1...Kd4
        • 2.Bxe3#
      • 1...Kxb6
        • 2.Rb7#
      • 1...Kd6
        • 2.Se4#
      • 1...Kb4!
    • 1.Kh6+?
      • 1...Kb4
        • 2.c3#
      • 1...Kd4
        • 2.Bxe3#
      • 1...Kd6
        • 2.Se4#
      • 1...Kxb6!
  • Keys
    • 1.Kg4+!
      • 1...Kb4
        • 2.c3#
      • 1...Kd4
        • 2.Bxe3#
      • 1...Kxb6
        • 2.Rb7#
      • 1...Kd6
        • 2.Se4#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(D);CHECK,P_SPINS(H),S_FLIGHT
      • Vars
        • K(g);N_SPINP(e),S_FLIGHT::P(A)
        • K(g);S_FLIGHT::B(C),XP(e)
        • K(g);S_FLIGHT,XS(F)::R1(I)
      • Refutation
        • K(g);N_SPINP(e),S_FLIGHT
    • Try
      • K(D);CHECK,P_SPINB(C),S_FLIGHT
      • Vars
        • K(g);N_SPINP(e),S_FLIGHT::P(A)
        • K(g);S_FLIGHT,XS(F)::R1(I)
        • K(g);N_SPINP(e),S_FLIGHT::S(H)
      • Refutation
        • K(g);S_FLIGHT
    • Try
      • K(D);CHECK,P-FLIGHT,P_SPINP(A)
      • Vars
        • K(g);S_FLIGHT::B(C),XP(e)
        • K(g);S_FLIGHT,XS(F)::R1(I)
        • K(g);N_SPINP(e),S_FLIGHT::S(H)
      • Refutation
        • K(g);N_SPINP(e),S_FLIGHT
    • Try
      • K(D);CHECK,P_SPINR(I),S_FLIGHT
      • Vars
        • K(g);N_SPINP(e),S_FLIGHT::P(A)
        • K(g);S_FLIGHT::B(C),XP(e)
        • K(g);N_SPINP(e),S_FLIGHT::S(H)
      • Refutation
        • K(g);S_FLIGHT,XS(F)
  • Actual
    • K(D);CHECK,P-FLIGHT
    • Vars
      • K(g);N_SPINP(e),S_FLIGHT::P(A)
      • K(g);S_FLIGHT::B(C),XP(e)
      • K(g);S_FLIGHT,XS(F)::R1(I)
      • K(g);N_SPINP(e),S_FLIGHT::S(H)
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