MESON Chess Problem Database

Problem Display
PID: 215143 (8/8/8/r1p5/n7/8/4Q3/k1K5 w - - 0 1)

Kashcheev, Niktopolion Pavlovich

Land og Folk, 1973

8/8/8/r1p5/n7/8/4Q3/k1K5

#2

2 + 4

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Sb2
      • 2.Qxb2#
    • 1...Sc3
      • 2.Qb2#
    • 1...Sb6
      • 2.Qb2#
  • Keys
    • 1.Qc2!
      • threat
        • 2.Qb1#
      • 1...Rb5
        • 2.Qxa4#
      • 1...Sc3
        • 2.Qb2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 2
  • Sets
    • S(b);N_GUARD::QAB1(B),XS(b)
    • S(b);N_GUARD::QAB1(B)
  • Actual
    • Q(B);
    • Threat
      • QAR1(B)
    • Vars
      • R(c);N_GUARD::QAR(B),XS(b)
      • S(b);N_GUARD::QAB1(B)
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