MESON Chess Problem Database

Problem Display
PID: 239741 (4BB2/6Q1/N1PPP1R1/3kP1nR/K7/2bPp2n/2P1NP2/8 w - - 0 1)

Szoghy, Jozsef

Schach, 1982

4BB2/6Q1/N1PPP1R1/3kP1nR/K7/2bPp2n/2P1NP2/8

#2

15 + 5

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Ba1
      • 2.c4#
    • 1...Be1
      • 2.c4#
    • 1...Bb2
      • 2.c4#
    • 1...Bd2
      • 2.c4#
    • 1...Bb4
      • 2.c4#
    • 1...Bd4
      • 2.c4#
    • 1...Ba5
      • 2.c4#
    • 1...Bxe5
      • 2.c4#
  • Tries
    • 1.Kb5?
      • threat
        • 2.Sc7#
      • 1...Ba5
        • 2.c4#
      • 1...Sxe6!
    • 1.Sb4+?
      • 1...Kc5
        • 2.Qa7#
      • 1...Bxb4!
    • 1.fxe3?
      • threat
        • 2.Sxc3#
      • 1...Bxe5
        • 2.c4#
      • 1...Ba1
        • 2.c4#
      • 1...Be1
        • 2.c4#
      • 1...Bb2
        • 2.c4#
      • 1...Bd2
        • 2.c4#
      • 1...Bb4
        • 2.c4#
      • 1...Bd4
        • 2.c4#
      • 1...Ba5
        • 2.c4#
      • 1...Se4!
  • Keys
    • 1.Qa7!
      • threat
        • 2.Qc5#
      • 1...Kxe5
        • 2.Qc5#
      • 1...Sxe6
        • 2.Sxc3#
      • 1...Bb4
        • 2.Qd4#
      • 1...Bd4
        • 2.Qxd4#
      • 1...Se4
        • 2.Sc7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 3
    • REMOVED MATES = 6
  • Sets
    • B(a);OGATE::P(A)
    • B(a);OGATE,XP(F)::P(A)
  • Tries
    • Try
      • K(E);S_FLIGHT
      • Threat
        • S(H)
      • Vars
        • B(a);OGATE::P(A)
      • Refutation
        • S(e);XP(K)
    • Try
      • S(H);CHECK
      • Vars
        • K(d);P-FLIGHT::QAB(M)
      • Refutation
        • B(a);XS(H)
    • Try
      • P(C);XP(b)
      • Threat
        • S(B),XB(a)
      • Vars
        • B(a);OGATE,XP(F)::P(A)
        • B(a);OGATE::P(A)
      • Refutation
        • S(e);
  • Actual
    • Q(M);
    • Threat
      • QAR1(M)
    • Vars
      • K(d);P-FLIGHT,P_SPINS(e),XP(F)::QAR2(M)
      • S(e);XP(K)::S(B),XB(a)
      • B(a);N_GUARD::QAR1(M)
      • B(a);N_GUARD::QAR1(M),XB(a)
      • S(e);::S(H)
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