MESON Chess Problem Database

Problem Display
PID: 244770 (4B3/r1n5/NQ2p1K1/1n2kpBp/4P2r/p2p2p1/3N4/8 w - - 0 1)

Dombrovskis, Alfreds A

Mat, 1986

4B3/r1n5/NQ2p1K1/1n2kpBp/4P2r/p2p2p1/3N4/8

#2

7 + 11

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rf4
      • 2.Bf6#
    • 1...Sa8
      • 2.Qc5#
    • 1...Sxe8
      • 2.Qc5#
    • 1...f4
      • 2.Bf6#
  • Tries
    • 1.Qd6+?
      • 1...Kxd6
        • 2.Sc4#
      • 1...Sxd6!
  • Keys
    • 1.Sb4!
      • threat
        • 2.Sxd3#
      • 1...Rxe4
        • 2.Sf3#
      • 1...fxe4
        • 2.Sc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 4
  • Sets
    • R(d);SBLOCK::B(C)
    • S(k);N_GUARD::QAR2(E)
    • S(k);N_GUARD,XB(G)::QAR2(E)
    • P(g);SBLOCK::B(C)
  • Tries
    • Try
      • Q(E);CHECK
      • Vars
        • K(f);S_FLIGHT,XQ(E)::S(A)
      • Refutation
        • S(e);XQ(E)
  • Actual
    • S(D);
    • Threat
      • S(D),XP(b)
    • Vars
      • R(d);SBLOCK,XP(B)::S(A)
      • P(g);SBLOCK,XP(B)::S(A)
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