MESON Chess Problem Database

Problem Display
PID: 240142 (2N5/4pQ2/4n2q/2p1rP2/K1BBk3/1N3R2/6P1/8 w - - 0 1)

Zilahi, Zoltan

Revista Romana de Sah, 1956

2N5/4pQ2/4n2q/2p1rP2/K1BBk3/1N3R2/6P1/8

#2

9 + 6

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rd5
      • 2.Bd3#
    • 1...Rxf5
      • 2.Qxf5#
    • 1...Sxd4
      • 2.Bd3#
    • 1...Sf4
      • 2.Re3#
    • 1...Sg5
      • 2.Bd3#
    • 1...Sc7
      • 2.Bd3#
    • 1...Sg7
      • 2.Bd3#
    • 1...Sd8
      • 2.Bd3#
    • 1...Sf8
      • 2.Bd3#
  • Tries
    • 1.Sd2+?
      • 1...Kxd4
        • 2.Rd3#
      • 1...Qxd2!
  • Keys
    • 1.Qxe7!
      • threat
        • 2.Sd6#
      • 1...Sxd4
        • 2.Sxc5#
      • 1...Sf4
        • 2.Qxe5#
      • 1...Rd5
        • 2.Bd3#
      • 1...Sg5
        • 2.Qxe5#
      • 1...Sc7
        • 2.Qxe5#
      • 1...Sg7
        • 2.Qxe5#
      • 1...Sd8
        • 2.Qxe5#
      • 1...Sf8
        • 2.Qxe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 7
    • ADDED MATES = 0
    • REMOVED MATES = 1
  • Sets
    • R(c);SBLOCK::B(E)
    • R(c);OGATE,XP(G)::QAB1(H),XR(c)
    • S(d);XB(F)::B(E)
    • S(d);SBLOCK,S_CUTQ(e)::R1(C)
    • S(d);::B(E)
  • Tries
    • Try
      • S(B);CHECK
      • Vars
        • K(a);P-FLIGHT,XB(F)::R1(C)
      • Refutation
        • Q(e);XS(B)
  • Actual
    • Q(H);XP(f)
    • Threat
      • S(I)
    • Vars
      • S(d);N_GUARD,P_SPINR(c),SBLOCK,XB(F)::S(B),XP(b)
      • S(d);OGATE,P_SPINR(c)::QAR1(H),XR(c)
      • R(c);P_SPINS(d),SBLOCK::B(E)
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