MESON Chess Problem Database

Problem Display
PID: 110594 (8/2P1p2K/bQ2P2B/1p2kp1R/4N1p1/2P1b3/7P/4Rn1B w - - 0 1)

Szoghy, Jozsef

Vaux Wilson "2A", 1982

8/2P1p2K/bQ2P2B/1p2kp1R/4N1p1/2P1b3/7P/4Rn1B

#2

11 + 8

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Sf2?
      • threat
        • 2.Sxg4#
      • 1...Kf6
        • 2.Bg7#
      • 1...g3
        • 2.Sg4#
      • 1...Sxh2!
    • 1.Sg3?
      • threat
        • 2.Rxf5#
      • 1...Kf6
        • 2.Bg7#
        • 2.Rxf5#
      • 1...Sxg3!
    • 1.Sc5?
      • threat
        • 2.Sd7#
      • 1...Kf6
        • 2.Sd7#
        • 2.Bg7#
      • 1...Bc8!
    • 1.Sf6?
      • threat
        • 2.Sxg4#
        • 2.Sd7#
      • 1...Kxf6
        • 2.Bg7#
      • 1...Sxh2
        • 2.Sd7#
      • 1...Bc8
        • 2.Sxg4#
      • 1...g3
        • 2.Sg4#
        • 2.Sd7#
      • 1...exf6!
    • 1.Bg7+?
      • 1...Kd5
        • 2.Sd2#
      • 1...Kf4!
    • 1.Qd4+?
      • 1...Kxe6
        • 2.Sg5#
      • 1...Bxd4!
    • 1.Qc5+?
      • 1...Kxe6
        • 2.Qxf5#
      • 1...Bxc5!
  • Keys
    • 1.Sg5!
      • threat
        • 2.Qd4#
      • 1...Kf4
        • 2.Sf7#
      • 1...Kf6
        • 2.Bg7#
      • 1...f4
        • 2.Se4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(E);P_PINB(b)
      • Threat
        • S(E),XP(c)
      • Vars
        • K(e);N_SPINB(b),N_SPINP(f),S_FLIGHT::B(I)
        • P(c);::S(E)
      • Refutation
        • S(a);XP(C)
    • Try
      • S(E);P_PINB(b)
      • Threat
        • R1(F),XP(f)
      • Refutation
        • S(a);XS(E)
    • Try
      • S(E);P_PINB(b)
      • Threat
        • S(E)
      • Refutation
        • B(g);
    • Try
      • S(E);P_PINB(b)
      • Threat
        • DUALS(2)
      • Vars
        • K(e);N_SPINB(b),N_SPINP(f),OGATEB,S_FLIGHT,XS(E)::B(I)
        • S(a);XP(C)::S(E)
        • B(g);::S(E),XP(c)
      • Refutation
        • P(h);XS(E)
    • Try
      • B(I);CHECK
      • Vars
        • K(e);P-FLIGHT::B(B)+S(E)
      • Refutation
        • K(e);N_SPINP(f),S_FLIGHT
    • Try
      • Q(G);CHECK
      • Vars
        • K(e);N_SPINP(f),P-FLIGHT,XP(H)::S(E)
      • Refutation
        • B(b);XQ(G)
    • Try
      • Q(G);CHECK
      • Vars
        • K(e);N_SPINP(f),OGATE,P-FLIGHT,XP(H)::QAB1(G),XP(f)
      • Refutation
        • B(b);XQ(G)
  • Actual
    • S(E);N_PINP(f),P_PINB(b)
    • Threat
      • QAB1(G)
    • Vars
      • K(e);N_SPINB(b),S_FLIGHT::B(I)+S(E)
      • K(e);N_SPINB(b),S_FLIGHT::B(I)
      • P(f);::R(F)+S(E)
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