MESON Chess Problem Database

Problem Display
PID: 243920 (8/2nKP1pq/5Pr1/Q4N2/RN1p1kPP/2PrRppb/3p1p1B/8 w - - 0 1)

Fleck, Ferenc

Magyar Sakkelet, 1956

8/2nKP1pq/5Pr1/Q4N2/RN1p1kPP/2PrRppb/3p1p1B/8

#2

12 + 12

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rxg4
      • 2.Sxd3#
      • 2.Qe5#
    • 1...Bxg4
      • 2.Sxd3#
      • 2.Bxg3#
      • 2.Qe5#
    • 1...dxc3+
      • 2.Sxd3#
      • 2.Sd5#
    • 1...dxe3+
      • 2.Sxd3#
  • Keys
    • 1.Sxg3!
      • threat
        • 2.Re4#
      • 1...Bxg4+
        • 2.Sf5#
      • 1...dxc3+
        • 2.Sd5#
      • 1...dxe3+
        • 2.Sxd3#
      • 1...Kxe3
        • 2.Qe5#
      • 1...Kxg4
        • 2.Re4#
      • 1...Rxe3
        • 2.Qf5#
      • 1...Rxg4
        • 2.Qe5#
      • 1...Rxf6
        • 2.Qg5#
      • 1...Rg5
        • 2.Qxg5#
      • 1...Rh6
        • 2.Qg5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 0
  • Sets
    • P(g);CHECK,XR(C)::R(D)+S(E),DCHECK,XR(c)
  • Actual
    • S(I);P_SPINP(F),XP(e)
    • Threat
      • R1(C)
    • Vars
      • B(f);CHECK,SBLOCK,XP(F)::B(A)+S(I)
      • P(g);CHECK,XP(B)::R(D)+S(E),DCHECK
      • P(g);CHECK,SBLOCK,XR(C)::R(D)+S(E),DCHECK,XR(c)
      • K(h);S_FLIGHT,XR(C)::QAR2(H)
      • K(h);P-FLIGHT,XP(F)::R(C)
      • R(c);SBLOCK,XR(C)::QAR1(H)
      • R(i);SBLOCK,XP(F)::QAB1(H)
      • R(i);N_GUARD,XP(J)::QAB1(H)
      • R(i);N_GUARD::QAB1(H),XR(i)
      • R(i);N_GUARD::QAB1(H)
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