MESON Chess Problem Database

Problem Display
PID: 138242 (K3R3/2p4b/8/1Q2N1B1/3Pkp1R/3N4/8/8 w - - 0 1)

Dimitrov, Nikolai

Probleemblad, 2010

K3R3/2p4b/8/1Q2N1B1/3Pkp1R/3N4/8/8

#2

8 + 4

SOLUTION

  • SOUND
  • Tries
    • 1.Sg4+?
      • 1...Kxd4
        • 2.Bf6#
      • 1...Kf3!
    • 1.Sg6+?
      • 1...Kxd4
        • 2.Bf6#
      • 1...Kf3!
    • 1.Sd7+?
      • 1...Kxd4
        • 2.Bf6#
      • 1...Kf3!
    • 1.Sf7+?
      • 1...Kxd4
        • 2.Bf6#
      • 1...Kf3!
  • Keys
    • 1.Sxf4!
      • threat
        • 2.Qd3#
      • 1...Ke3
        • 2.Sh3#
      • 1...Kxd4
        • 2.Se2#
      • 1...Kf5
        • 2.Sc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(E);CHECK,N_PINP(b)
      • Vars
        • K(a);P-FLIGHT,XP(B)::B(F)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(E);CHECK
      • Vars
        • K(a);P-FLIGHT,XP(B)::B(F)
      • Refutation
        • K(a);N_SPINP(b),S_FLIGHT
    • Try
      • S(E);CHECK
      • Vars
        • K(a);P-FLIGHT,XP(B)::B(F)
      • Refutation
        • K(a);N_SPINP(b),S_FLIGHT
    • Try
      • S(E);CHECK
      • Vars
        • K(a);P-FLIGHT,XP(B)::B(F)
      • Refutation
        • K(a);N_SPINP(b),S_FLIGHT
  • Actual
    • S(A);XP(b)
    • Threat
      • QAB1(D)
    • Vars
      • K(a);P-FLIGHT::B(F)+S(A)
      • K(a);P-FLIGHT,XP(B)::R(C)+S(A),DCHECK
      • K(a);S_FLIGHT::QAR(D)+S(E)
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