MESON Chess Problem Database

Problem Display
PID: 274590 (8/5p2/1p3P2/1Pk1p2r/2PN2Q1/P2b4/2pR4/2K2B2 w - - 0 1)

Schwerzmann, W

Die Tat, 1945

(First published on Sat Jun 2 1945)

8/5p2/1p3P2/1Pk1p2r/2PN2Q1/P2b4/2pR4/2K2B2

#2

9 + 7

15601 Albrecht-Leiss-Degener Collection 2024

SOLUTION

  • SOUND
  • Sets
    • 1...Bxf1
      • 2.Sb3#
    • 1...Be2
      • 2.Sb3#
    • 1...Be4
      • 2.Sb3#
    • 1...Bf5
      • 2.Sb3#
    • 1...Bg6
      • 2.Sb3#
    • 1...Bh7
      • 2.Sb3#
  • Tries
    • 1.Se6+?
      • 1...Kd6
        • 2.Rxd3#
      • 1...fxe6!
    • 1.Qd7?
      • threat
        • 2.Qd5#
      • 1...Kxc4
        • 2.Rxc2#
      • 1...Bxc4
        • 2.Qc6#
      • 1...exd4
        • 2.Qc6#
        • 2.Qc7#
      • 1...Be4
        • 2.Sb3#
        • 2.Qe7#
      • 1...e4!
    • 1.Qc8+?
      • 1...Kd6
        • 2.Qc6#
      • 1...Kxd4!
  • Keys
    • 1.Qe4!
      • threat
        • 2.Qd5#
      • 1...Kxc4
        • 2.Rxc2#
      • 1...Kd6
        • 2.Qc6#
      • 1...Bxc4
        • 2.Qc6#
      • 1...Bxe4
        • 2.Sb3#
      • 1...exd4
        • 2.Qc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 5
  • Sets
    • B(b);XB(B)::S(F)
    • B(b);::S(F)
  • Tries
    • Try
      • S(F);CHECK
      • Vars
        • K(c);P_SPINB(b),S_CUTP(g),S_FLIGHT::R(C),XB(b)
      • Refutation
        • P(g);XS(F)
    • Try
      • Q(G);
      • Threat
        • QAR1(G)
      • Vars
        • K(c);OGATEB,P-FLIGHT,P_SPINB(b),XP(E)::R(C),XP(a)
        • B(b);XP(E)::QAR1(G)
      • Refutation
        • P(d);
    • Try
      • Q(G);CHECK
      • Vars
        • K(c);N_GUARD,S_FLIGHT::QAR1(G)
      • Refutation
        • K(c);P_SPINB(b),S_FLIGHT,XS(F)
  • Actual
    • Q(G);
    • Threat
      • QAR1(G)
    • Vars
      • K(c);OGATEB,P-FLIGHT,P_SPINB(b),XP(E)::R(C),XP(a)
      • K(c);N_GUARD,S_FLIGHT::QAR1(G)
      • B(b);XP(E)::QAR1(G)
      • B(b);XQ(G)::S(F)
      • P(d);SBLOCK,XS(F)::QAR1(G)
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