MESON Chess Problem Database

Problem Display
PID: 253325 (8/8/8/4p3/1p2P1bK/6N1/Qb5p/4B1kB w - - 0 1)

von Gottschall, Hermann

The Field, 1911

(First published on Sat Sep 2 1911)

8/8/8/4p3/1p2P1bK/6N1/Qb5p/4B1kB

#2

6 + 6

15239 Valois Notebooks 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Ba1
      • 2.Bf2#
      • 2.Qf2#
      • 2.Qg2#
    • 1...Bc1
      • 2.Bf2#
      • 2.Qf2#
      • 2.Qg2#
    • 1...Ba3
      • 2.Bf2#
      • 2.Qf2#
      • 2.Qg2#
    • 1...Bc3
      • 2.Bf2#
      • 2.Qf2#
      • 2.Qg2#
    • 1...Bd4
      • 2.Qg2#
  • Tries
    • 1.Kxg4?
      • 1...Ba1
        • 2.Bf2#
        • 2.Qf2#
        • 2.Qg2#
      • 1...Bc1
        • 2.Bf2#
        • 2.Qf2#
        • 2.Qg2#
      • 1...Ba3
        • 2.Bf2#
        • 2.Qf2#
        • 2.Qg2#
      • 1...Bc3
        • 2.Bf2#
        • 2.Qf2#
        • 2.Qg2#
      • 1...Bd4
        • 2.Qg2#
      • 1...b3!
    • 1.Qxb2?
      • threat
        • 2.Bf2#
        • 2.Qf2#
        • 2.Qg2#
      • 1...Bf3
        • 2.Bf2#
        • 2.Qf2#
      • 1...Bh3
        • 2.Bf2#
        • 2.Qf2#
      • 1...Be2!
  • Keys
    • 1.Bc3!
      • threat
        • 2.Qa7#
      • 1...Kf2
        • 2.Qa7#
      • 1...Bxc3
        • 2.Qg2#
      • 1...Bc1
        • 2.Qg2#
      • 1...Ba3
        • 2.Qg2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 1
  • Sets
    • B(b);OGATE::QAR1(C)
  • Tries
    • Try
      • K(F);P-FLIGHT,XB(e)
      • Vars
        • B(b);OGATE::QAR1(C)
      • Refutation
        • P(d);
    • Try
      • Q(C);XB(b)
      • Threat
        • DUALS(3)
      • Refutation
        • B(e);
  • Actual
    • B(A);
    • Threat
      • QAB(C)
    • Vars
      • K(a);P_SPINB(b),S_FLIGHT::QAB(C)
      • B(b);OGATE,XB(A)::QAR1(C)
      • B(b);OGATE::QAR1(C)
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