MESON Chess Problem Database

Problem Display
PID: 16579 (4BK2/2R3p1/2p1k1p1/3NpR1b/qnP2p1P/1P1p1Pn1/1B2N2b/4Q3 w - - 0 1)

Buglos, Janos

3rd Prize, Magyar Sakkvilag, 1941

4BK2/2R3p1/2p1k1p1/3NpR1b/qnP2p1P/1P1p1Pn1/1B2N2b/4Q3

#2

12 + 12

SOLUTION

  • SOUND
  • Sets
    • 1...Kxf5
      • 2.Bd7#
  • Tries
    • 1.Sexf4+?
      • 1...Kxf5
        • 2.Bd7#
        • 2.Rf7#
        • 2.Qxe5#
      • 1...Kd6!
    • 1.Re7+?
      • 1...Kxf5
        • 2.Bd7#
        • 2.Rxe5#
      • 1...Kd6!
    • 1.Qc3?
      • threat
        • 2.Qxe5#
      • 1...Kxf5
        • 2.Bd7#
        • 2.Qxe5#
      • 1...e4
        • 2.Qe5#
      • 1...Kd6!
  • Keys
    • 1.c5!
      • threat
        • 2.Rxe5#
      • 1...Kxd5
        • 2.Rxe5#
      • 1...Kxf5
        • 2.Bd7#
      • 1...Sxf5
        • 2.Bf7#
      • 1...Sxd5
        • 2.Bd7#
      • 1...cxd5
        • 2.Sd4#
      • 1...gxf5
        • 2.Sexf4#
      • 1...e4
        • 2.Sd4#
        • 2.Bd7#
        • 2.Re5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • K(j);S_FLIGHT,XR(I)::B(K)
  • Tries
    • Try
      • S(C);CHECK,P_PINP(g),XP(f)
      • Refutation
        • K(j);N_SPINP(g),P-FLIGHT
    • Try
      • R(J);CHECK
      • Refutation
        • K(j);P-FLIGHT
    • Try
      • Q(A);
      • Threat
        • QAR1(A),XP(g)
      • Vars
        • P(g);::QAR1(A)
      • Refutation
        • K(j);P-FLIGHT
  • Actual
    • P(F);
    • Threat
      • R1(I),XP(g)
    • Vars
      • K(j);P_SPINP(g),S_FLIGHT,XS(H)::R1(I),XP(g)
      • K(j);S_FLIGHT,XR(I)::B(K)
      • S(c);SBLOCK,XR(I)::B(K)
      • S(e);SBLOCK,XS(H)::B(K)
      • P(i);SBLOCK,XS(H)::S(C)
      • P(k);SBLOCK,XR(I)::S(C),XP(f)
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