MESON Chess Problem Database

Problem Display
PID: 17853 (B2RR3/4N2n/2r5/3r4/4kP1Q/2PN2P1/2P3P1/7K w - - 0 1)

Fleck, Ferenc

1st Prize, Magyar Sakkelet, 1951

B2RR3/4N2n/2r5/3r4/4kP1Q/2PN2P1/2P3P1/7K

#2

12 + 4

3105 FIDE Album (1945-1955) 1964

SOLUTION

  • SOUND
  • Tries
    • 1.Sxd5+?
      • 1...Re6
        • 2.Qxh7#
      • 1...Kf5!
    • 1.Sxc6+?
      • 1...Re5
        • 2.Rxe5#
      • 1...Kf5!
    • 1.Rxd5?
      • threat
        • 2.Re5#
      • 1...Rxc3
        • 2.Sf5#
        • 2.Sg6#
        • 2.Sc8#
        • 2.Sg8#
      • 1...Ke3!
  • Keys
    • 1.g4!
      • threat
        • 2.Qe1#
      • 1...Ke3
        • 2.Qe1#
      • 1...Rxd3
        • 2.Sg6#
      • 1...Rxc3
        • 2.Sf5#
      • 1...Rh5
        • 2.Sf5#
      • 1...Rh6
        • 2.Sg6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(I);CHECK,XR(b)
      • Vars
        • R(c);P_SPINR(c)::QAB(H),XS(d)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(I);CHECK,XR(c)
      • Vars
        • R(b);N_GUARD,P_SPINR(b)::R1(L),XR(b)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(K);XR(b)
      • Threat
        • R1(K)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • P(F);
    • Threat
      • QAR(H)
    • Vars
      • K(a);P-FLIGHT::QAR2(H)
      • R(b);N_GUARD,P_SPINR(c),XS(E)::R(L)+S(I)
      • R(c);N_GUARD,P_SPINR(b),XP(D)::R(L)+S(I)
      • R(b);N_GUARD,P_PINQ(H),P_SPINR(c)::R(L)+S(I)
      • R(c);N_GUARD,P_PINQ(H),P_SPINR(b)::R(L)+S(I)
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