MESON Chess Problem Database

Problem Display
PID: 17789 (3R4/5N2/1n4Kp/1N1P4/p3k3/6Q1/2P3b1/4r3 w - - 0 1)

Keirans, Arturs

2nd Prize, Shakhmaty v SSSR, 1949

3R4/5N2/1n4Kp/1N1P4/p3k3/6Q1/2P3b1/4r3

#2

7 + 6

3105 FIDE Album (1945-1955) 1964

SOLUTION

  • SOUND
  • Sets
    • 1...Re3
      • 2.Qg4#
    • 1...Bf3
      • 2.Qe5#
    • 1...Sxd5
      • 2.Sfd6#
    • 1...h5
      • 2.Sg5#
  • Keys
    • 1.Qf2!
      • threat
        • 2.Sc3#
      • 1...Sxd5
        • 2.Sbd6#
      • 1...Bf3
        • 2.Qd4#
      • 1...Re3
        • 2.Qf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 3
    • ADDED MATES = 0
    • REMOVED MATES = 1
  • Sets
    • R(a);SBLOCK::QAR2(B)
    • B(b);SBLOCK::QAR1(B)
    • S(e);SBLOCK,XP(D)::S(F)
    • P(f);N_GUARD::S(F)
  • Actual
    • Q(B);
    • Threat
      • S(C)
    • Vars
      • S(e);SBLOCK,XP(D)::S(C)
      • B(b);SBLOCK::QAR1(B)
      • R(a);SBLOCK::QAB1(B)
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