MESON Chess Problem Database

Problem Display
PID: 189559 (6Rn/7r/3B1kpp/b1R5/1pQK4/8/8/8 w - - 0 1)

Zalkind, Lazar Borissovich

Tidskrift for Schack, 1911

6Rn/7r/3B1kpp/b1R5/1pQK4/8/8/8

#2

5 + 7

5454 Near Snap 2019
6490 yacpdb 2019

SOLUTION

  • SOUND
  • Tries
    • 1.Re5?
      • threat
        • 2.Qf1#
        • 2.Qe6#
      • 1...Re7
        • 2.Bxe7#
        • 2.Qf1#
      • 1...Bb6+!
  • Keys
    • 1.Kd5!
      • threat
        • 2.Qf4#
      • 1...Kf5
        • 2.Qf4#
      • 1...Kg5
        • 2.Ke6#
      • 1...Kf7
        • 2.Ke5#
      • 1...g5
        • 2.Qf1#

Anticipated by 120807(1906)

This anticipates 18161(1953)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(C);
      • Threat
        • DUALS(2)
      • Refutation
        • B(b);CHECK
  • Actual
    • K(B);P-FLIGHT
    • Threat
      • QAR2(A)
    • Vars
      • K(c);P-FLIGHT::QAR1(A)
      • K(c);P_SPINP(d),S_FLIGHT::R(C)+K(B)
      • K(c);P-FLIGHT::QAB(A)+K(B)
      • P(d);::QAR(A)
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