MESON Chess Problem Database

Problem Display
PID: 189728 (8/4K1p1/2p3p1/Q5N1/2p2k1p/2P4B/5B2/8 w - - 0 1)

Seib, Wilhelm

Deutsche Schachbund, 1912

8/4K1p1/2p3p1/Q5N1/2p2k1p/2P4B/5B2/8

#2

6 + 6

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Tries
    • 1.Bg1?
      • 1...Kg3
        • 2.Qc7#
        • 2.Qe5#
      • 1...c5!
    • 1.Be3+?
      • 1...Kg3
        • 2.Qc7#
        • 2.Qe5#
      • 1...Kxe3!
    • 1.Bd4?
      • threat
        • 2.Qe5#
      • 1...Kg3
        • 2.Qc7#
        • 2.Qe5#
      • 1...c5!
    • 1.Bb6?
      • 1...Kg3
        • 2.Qe5#
      • 1...c5!
    • 1.Ba7?
      • 1...Kg3
        • 2.Qc7#
        • 2.Qe5#
      • 1...c5!
  • Keys
    • 1.Bc5!
      • 1...Kg3
        • 2.Qc7#
      • 1...Ke5
        • 2.Bd6#
      • 1...Kxg5
        • 2.Be3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(A);
      • Refutation
        • P(d);
    • Try
      • B(A);CHECK
      • Refutation
        • K(b);S_FLIGHT,XB(A)
    • Try
      • B(A);
      • Threat
        • QAB1(D)
      • Refutation
        • P(d);
    • Try
      • B(A);
      • Vars
        • K(b);S_FLIGHT::QAB(D)
      • Refutation
        • P(d);
    • Try
      • B(A);
      • Refutation
        • P(d);
  • Actual
    • B(A);
    • Vars
      • K(b);S_FLIGHT::QAB(D)
      • K(b);S_FLIGHT::QAR(D)+B(A),DCHECK
      • K(b);S_FLIGHT,XS(E)::QAR(D)+B(A),DCHECK
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