MESON Chess Problem Database

Problem Display
PID: 246419 (3r1n1q/1b1pQ2P/Nb3p2/pB1k4/2rB2p1/4R3/4N1K1/8 w - - 0 1)

Makaronets, Leonid

Europe Echecs, 1992

3r1n1q/1b1pQ2P/Nb3p2/pB1k4/2rB2p1/4R3/4N1K1/8

#2

8 + 11

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rxd4
      • 2.Sc3#
    • 1...Bxd4
      • 2.Sf4#
    • 1...Bc5
      • 2.Sc7#
    • 1...d6
      • 2.Qe4#
  • Keys
    • 1.Bc5!
      • threat
        • 2.Qd6#
      • 1...Rxc5
        • 2.Rd3#
      • 1...Bxc5
        • 2.Sc7#
      • 1...Bc7
        • 2.Sxc7#
      • 1...d6
        • 2.Qxb7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • R(a);N_GUARD,SBLOCK,XB(D)::S(A)
    • B(e);SBLOCK,XB(D)::S(A)
    • B(e);N_GUARD,S_CUTR(a)::S(F)
    • P(h);SBLOCK::QAB1(G)
  • Actual
    • B(D);
    • Threat
      • QAR1(G)
    • Vars
      • R(a);N_GUARD,XB(D)::R(C)
      • B(e);N_GUARD,XB(D)::S(F)
      • B(e);N_GUARD::S(F),XB(e)
      • P(h);OGATE::QAB(G),XB(g)
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