MESON Chess Problem Database

Problem Display
PID: 239675 (N7/Q7/Rp1PPp2/3pkP2/Rb4p1/6p1/1P1N2K1/1BB5 w - - 0 1)

Szoghy, Jozsef

Schach, 1954

N7/Q7/Rp1PPp2/3pkP2/Rb4p1/6p1/1P1N2K1/1BB5

#2

12 + 7

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kf4
      • 2.Sf3#
    • 1...Kxd6
      • 2.Qc7#
    • 1...b5
      • 2.Qe3#
  • Tries
    • 1.Sf3+?
      • 1...Kxd6
        • 2.Qc7#
      • 1...gxf3+!
    • 1.Rxb4?
      • 1...Kxd6
        • 2.Qc7#
      • 1...b5
        • 2.Qe3#
        • 2.Qd4#
      • 1...d4!
  • Keys
    • 1.Sxb6!
      • 1...Kd4
        • 2.Sd7#
      • 1...Kf4
        • 2.Sf3#
      • 1...Kxd6
        • 2.Sbc4#
      • 1...Bxd2
        • 2.Sd7#
      • 1...Bxd6
        • 2.Sd7#
      • 1...Ba3
        • 2.Sd7#
      • 1...Bc3
        • 2.Sd7#
      • 1...Ba5
        • 2.Sd7#
      • 1...Bc5
        • 2.Sd7#
      • 1...d4
        • 2.Sdc4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 8
    • REMOVED MATES = 1
  • Sets
    • K(e);P_SPINB(b),S_FLIGHT::B(B)+S(D)
    • K(e);OGATEB,P_SPINP(f),S_FLIGHT,XP(I)::QAB1(K)
    • P(f);OGATE::QAR2(K)
  • Tries
    • Try
      • S(D);CHECK
      • Vars
        • K(e);P_SPINP(f),S_FLIGHT,XP(I)::QAB1(K)
      • Refutation
        • P(c);CHECK,XS(D)
    • Try
      • R(F);XB(b)
      • Vars
        • K(e);OGATEB,P_SPINP(f),S_FLIGHT,XP(I)::QAB1(K)
      • Refutation
        • P(d);
  • Actual
    • S(L);XP(f)
    • Vars
      • K(e);P_SPINB(b),S_FLIGHT::QAB(K)+S(L)
      • K(e);P_SPINB(b),S_FLIGHT::B(B)+S(D)
      • K(e);S_FLIGHT,XP(I)::R(H)+S(L),DCHECK
      • B(b);XS(D)::S(L)
      • B(b);XP(I)::S(L)
      • B(b);::S(L)
      • P(d);N_GUARD,SBLOCK::S(D)
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