MESON Chess Problem Database

Problem Display
PID: 235696 (2N1q3/8/4P2b/2B5/5p2/1pk5/4Q3/4K2b w - - 0 1)

Makaronets, Leonid

Mat, 1973

2N1q3/8/4P2b/2B5/5p2/1pk5/4Q3/4K2b

#2

5 + 6

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Sb6?
      • threat
        • 2.Qd2#
      • 1...Qxe6
        • 2.Sa4#
      • 1...b2
        • 2.Qc4#
      • 1...Qd8
        • 2.Sa4#
      • 1...f3
        • 2.Sd5#
      • 1...Qd7!
  • Keys
    • 1.Sd6!
      • threat
        • 2.Qd2#
      • 1...Qxe6
        • 2.Sb5#
      • 1...b2
        • 2.Qc4#
      • 1...f3
        • 2.Se4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(E);
      • Threat
        • QAB1(B)
      • Vars
        • Q(f);N_GUARD,P_PINQ(B),XP(D)::S(E)
        • P(b);SBLOCK::QAR1(B)
        • Q(f);N_GUARD::S(E)
        • P(d);S_CUTB(a)::S(E)
      • Refutation
        • Q(f);
  • Actual
    • S(E);
    • Threat
      • QAB1(B)
    • Vars
      • Q(f);N_GUARD,P_PINQ(B),XP(D)::S(E)
      • P(b);SBLOCK::QAR1(B)
      • P(d);S_CUTB(a)::S(E)
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