MESON Chess Problem Database

Problem Display
PID: 178594 (6B1/6p1/3Q4/3N4/2ppp3/1p1k1p2/8/3K4 w - - 0 1)

Nikitin, Aleksandr Olegovich

Boletim da UBP, 1981

6B1/6p1/3Q4/3N4/2ppp3/1p1k1p2/8/3K4

#2

4 + 7

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...c3
      • 2.Qa6#
    • 1...e3
      • 2.Qg6#
  • Tries
    • 1.Qb4?
      • threat
        • 2.Qd2#
      • 1...c3
        • 2.Qb5#
      • 1...e3!
  • Keys
    • 1.Qf4!
      • threat
        • 2.Qd2#
      • 1...c3
        • 2.Sb4#
      • 1...e3
        • 2.Qf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • P(d);OGATEB::QAB(C)
    • P(f);OGATEB::QAB(C)
  • Tries
    • Try
      • Q(C);
      • Threat
        • QAR1(C)
      • Vars
        • P(d);OGATEB::QAB(C)
      • Refutation
        • P(f);
  • Actual
    • Q(C);
    • Threat
      • QAR1(C)
    • Vars
      • P(d);SBLOCK::S(B)
      • P(f);OGATEB::QAB(C)
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