MESON Chess Problem Database

Problem Display
PID: 218763 (3N4/8/3p4/4k3/1Q1R4/8/8/K6b w - - 0 1)

Kashcheev, Niktopolion Pavlovich

Land og Folk, 1978

3N4/8/3p4/4k3/1Q1R4/8/8/K6b

#2

4 + 3

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Keys
    • 1.Rf4!
      • threat
        • 2.Qd4#
      • 1...Kd5
        • 2.Rf5#
        • 2.Qa5#
        • 2.Qd4#
        • 2.Qb5#
      • 1...Be4
        • 2.Qxe4#
      • 1...d5
        • 2.Qb8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Actual
    • R(C);
    • Threat
      • QAB1(B)
    • Vars
      • B(a);N_GUARD::QAR1(B),XB(a)
      • P(c);OGATEB,SBLOCK::QAB(B)
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