MESON Chess Problem Database

Problem Display
PID: 141761 (1q6/B1p2p2/5P2/Pp1k1p1Q/1nN1R1P1/KB1rP3/1Pp2P2/3Rb2b w - - 0 1)

Seib, Wilhelm

4th HM., Western Daily Mercury, 1909

(First published on Fri Jul 23 1909)

1q6/B1p2p2/5P2/Pp1k1p1Q/1nN1R1P1/KB1rP3/1Pp2P2/3Rb2b

#2

13 + 11

102 Probleemblad 1977

SOLUTION

  • SOUND
  • Sets
    • 1...Kxe4
      • 2.Qxh1#
      • 2.Qxf5#
  • Tries
    • 1.Se5+?
      • 1...Kxe4
        • 2.Qxf5#
      • 1...Kd6!
  • Keys
    • 1.Re6!
      • threat
        • 2.Qxf5#
      • 1...Kxe6
        • 2.Qxf5#
      • 1...fxe6
        • 2.Qxh1#
      • 1...Bc3
        • 2.Sd2#
      • 1...Be4
        • 2.Se5#
      • 1...Sc6
        • 2.Sd6#
      • 1...c5
        • 2.Sb6#
      • 1...c6
        • 2.Sd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(G);CHECK,N_PINP(h)
      • Vars
        • K(g);N_SPINR(d),S_FLIGHT,XR(H)::QAB1(K),XP(h)
      • Refutation
        • K(g);P-FLIGHT
  • Actual
    • R(H);
    • Threat
      • QAR2(K),XP(h)
    • Vars
      • K(g);N_SPINP(h),N_SPINR(d),S_FLIGHT,XR(H)::QAB1(K),XP(h)
      • P(j);SBLOCK,XR(H)::QAB(K),XB(b)
      • B(a);N_PINB(E)::B(E)+S(G)
      • B(b);SBLOCK::B(E)+S(G)
      • S(e);SBLOCK::B(E)+S(G)
      • P(i);SBLOCK::B(E)+S(G),DCHECK
      • P(i);SBLOCK::B(E)+S(G)
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