MESON Chess Problem Database

Problem Display
PID: 4992 (8/8/8/8/b2KQB1p/8/1p6/3k4 w - - 0 1)

Gold, Samuel

Deutsche Schachzeitung, 1896

8/8/8/8/b2KQB1p/8/1p6/3k4

#2

3 + 4

3757 Schachminiaturen I 1902
3295 Einfuhrung in die Welt des Schachproblem 1984
5424 Versunkene Schatze 1998
268 Chess Life 2004
5454 Near Snap 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Qf3+?
      • 1...Kc2
        • 2.Qd3#
      • 1...Ke1!
    • 1.Qe3?
      • threat
        • 2.Qd2#
      • 1...Kc2
        • 2.Qd3#
      • 1...b1S!
  • Keys
    • 1.Ke3!
      • threat
        • 2.Qb1#
      • 1...Kc1
        • 2.Ke2#
      • 1...Ke1
        • 2.Qh1#
      • 1...b1Q
        • 2.Qxb1#
      • 1...b1S
        • 2.Qxb1#
      • 1...b1B
        • 2.Qxb1#
      • 1...b1R
        • 2.Qxb1#
      • 1...Bc2
        • 2.Qh1#

This anticipates 201931(2011)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(B);CHECK
      • Vars
        • K(a);S_FLIGHT::QAB1(B)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(B);
      • Threat
        • QAR1(B)
      • Vars
        • K(a);S_FLIGHT::QAB1(B)
      • Refutation
        • P(b);
  • Actual
    • K(A);S_FLIGHT
    • Threat
      • QAR2(B)
    • Vars
      • K(a);P-FLIGHT::B(C)+K(A)
      • K(a);P-FLIGHT::QAR(B)
      • P(b);::QAR2(B),XQ(b)
      • P(b);::QAR2(B),XS(b)
      • P(b);::QAR2(B),XB(b)
      • P(b);::QAR2(B),XR(b)
      • B(c);SBLOCK::QAR(B)
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