MESON Chess Problem Database

Problem Display
PID: 207453 (6K1/2NPQN2/3r1p1B/4p3/R1nqkPBR/2P4P/b2PP3/8 w - - 0 1)

Boros, Sandor

Fleck, Ferenc

Revista Romana de Sah, 1931

6K1/2NPQN2/3r1p1B/4p3/R1nqkPBR/2P4P/b2PP3/8

#2

14 + 7

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Qg1
      • 2.Sxd6#
    • 1...Qf2
      • 2.Sxd6#
    • 1...Qe3
      • 2.Sxd6#
    • 1...Qa7
      • 2.Sxd6#
    • 1...Se3
      • 2.d3#
    • 1...f5
      • 2.Bf3#
  • Keys
    • 1.fxe5!
      • threat
        • 2.Be6#
      • 1...Qxe5
        • 2.Sxd6#
      • 1...Qxd2
        • 2.exd6#
      • 1...Sxe5
        • 2.d3#
      • 1...Qg1
        • 2.Sxd6#
        • 2.exd6#
      • 1...Qf2
        • 2.Sxd6#
        • 2.exd6#
      • 1...Qe3
        • 2.Sxd6#
        • 2.exd6#
      • 1...Re6
        • 2.Bxe6#
      • 1...Se3
        • 2.d3#
      • 1...f5
        • 2.Bf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 4
  • Sets
    • Q(c);N_GUARD,P_PINB(G),P_SPINS(b)::S(M),XR(f)
    • Q(c);N_GUARD,P_SPINS(b)::S(M),XR(f)
    • S(b);P_PINS(M),P_SPINQ(c),SBLOCK::P(A)
    • P(g);SBLOCK::B(G)
  • Actual
    • P(F);XP(e)
    • Threat
      • R(H)+B(G)
    • Vars
      • Q(c);N_GUARD,P_SPINQ(c),P_SPINS(b),XP(F)::S(M),XR(f)
      • Q(c);N_GUARD,P_SPINS(b),XP(A)::QAR(L)+P(F),XR(f)
      • S(b);P_PINS(M),P_SPINQ(c),P_SPINS(b),XP(F)::P(A)
      • R(f);::R(H)+B(G),XR(f)
      • S(b);P_PINS(M),P_SPINQ(c)::P(A)
      • P(g);SBLOCK::R(H)+B(G),DCHECK
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