MESON Chess Problem Database

Problem Display
PID: 227908 (5Bb1/1Bn5/3PPPpP/1p2k2p/3N3P/4N3/KQ6/5R2 w - - 0 1)

Gross, Izidor

Magyar Sakkvilag, 1926

5Bb1/1Bn5/3PPPpP/1p2k2p/3N3P/4N3/KQ6/5R2

#2

12 + 6

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Bxe6+
      • 2.Sb3#
    • 1...b4
      • 2.Sc4#
    • 1...g5
      • 2.Rf5#
  • Tries
    • 1.Sf3+?
      • 1...Kf4
        • 2.Qe5#
      • 1...Kxe6!
    • 1.Sc6+?
      • 1...Ke4
        • 2.Qd4#
      • 1...Kxe6!
    • 1.Bd5?
      • threat
        • 2.Sdc2#
        • 2.Se2#
        • 2.Sb3#
        • 2.Sxb5#
        • 2.Sdf5#
        • 2.Sc6#
      • 1...Sxe6
        • 2.Sc6#
        • 2.Sxe6#
      • 1...b4
        • 2.Sdc2#
        • 2.Se2#
        • 2.Sb3#
        • 2.Sb5#
        • 2.Sdf5#
        • 2.Sc6#
      • 1...Sxd5!
  • Keys
    • 1.Re1!
      • threat
        • 2.Sd5#
      • 1...Kf4
        • 2.Qh2#
      • 1...Kxf6
        • 2.Bg7#
      • 1...Sd5
        • 2.Sxd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 3
  • Sets
    • B(f);CHECK,SBLOCK,XP(H)::QAB(C)+S(E)
    • P(a);N_GUARD::S(D)
    • P(d);N_GUARD::R1(A)
  • Tries
    • Try
      • S(E);CHECK
      • Vars
        • K(b);S_FLIGHT::QAB1(C)
      • Refutation
        • K(b);P-FLIGHT,XP(H)
    • Try
      • S(E);CHECK
      • Vars
        • K(b);P-FLIGHT::QAR1(C)
      • Refutation
        • K(b);P-FLIGHT,XP(H)
    • Try
      • B(K);N_SPINP(H)
      • Threat
        • DUALS(6)
      • Refutation
        • S(e);XB(K)
  • Actual
    • R(A);
    • Threat
      • R(A)+S(D)
    • Vars
      • K(b);S_FLIGHT::QAB(C)
      • K(b);OGATEB,S_FLIGHT,XP(I)::B(L)
      • S(e);N_PINP(H)::R(A)+S(D),XS(e)
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Developed and maintained by Brian Stephenson.
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