MESON Chess Problem Database

Problem Display
PID: 161121 (3B2B1/6br/1pNk2Kp/2N5/Q3p1p1/4p1q1/8/8 w - - 0 1)

Zalkind, Lazar Borissovich

Tidskrift for Schack, 1908

3B2B1/6br/1pNk2Kp/2N5/Q3p1p1/4p1q1/8/8

#2

6 + 9

15148 Sadier Collection 2017

SOLUTION

  • SOUND
  • Tries
    • 1.Bc7+?
      • 1...Kxc5
        • 2.Qc4#
      • 1...Kxc7!
    • 1.Qb3?
      • threat
        • 2.Qd5#
      • 1...Kxc5
        • 2.Qd5#
      • 1...Kxc6
        • 2.Qxb6#
      • 1...Qe5!
  • Keys
    • 1.Se5!
      • threat
        • 2.Qd4#
      • 1...Kxc5
        • 2.Be7#
      • 1...Kxe5
        • 2.Bc7#
      • 1...Qxe5
        • 2.Sb7#
      • 1...Bxe5
        • 2.Sxe4#
      • 1...bxc5
        • 2.Sc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(E);CHECK
      • Vars
        • K(f);S_FLIGHT,XS(B)::QAR1(A)
      • Refutation
        • K(f);S_FLIGHT,XB(E)
    • Try
      • Q(A);
      • Threat
        • QAR1(A)
      • Vars
        • K(f);S_FLIGHT,XS(B)::QAR1(A)
        • K(f);OGATEB,P-FLIGHT,XS(C)::QAR1(A),XP(e)
      • Refutation
        • Q(b);
  • Actual
    • S(C);
    • Threat
      • QAR2(A)
    • Vars
      • K(f);S_FLIGHT,XS(B)::B(E)
      • K(f);S_FLIGHT,XS(C)::B(E)
      • Q(b);SBLOCK,XS(C)::S(B)
      • B(h);SBLOCK,XS(C)::S(B),XP(c)
      • P(e);SBLOCK,XS(B)::S(C)
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