MESON Chess Problem Database

Problem Display
PID: 234470 (B7/3N4/1pbP3R/2qPB3/1nprk3/3p3Q/3P4/1K2n3 w - - 0 1)

Makaronets, Leonid

Revista Romana de Sah, 1976

B7/3N4/1pbP3R/2qPB3/1nprk3/3p3Q/3P4/1K2n3

#2

9 + 9

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Qxd5
      • 2.Rh4#
      • 2.Qg4#
    • 1...Rxd5
      • 2.Rh4#
      • 2.Qg4#
    • 1...Ba4
      • 2.Rh4#
      • 2.Qg4#
    • 1...Bb5
      • 2.Rh4#
      • 2.Qg4#
    • 1...Bxd5
      • 2.Rh4#
      • 2.Qg4#
  • Tries
    • 1.Rh5?
      • threat
        • 2.Sf6#
      • 1...Kxd5
        • 2.Sf6#
      • 1...Bxd7
        • 2.Qe3#
      • 1...Sxd5
        • 2.Qf5#
      • 1...Qxd6!
    • 1.Qf5+?
      • 1...Kxd5
        • 2.Sf6#
        • 2.Bh2#
        • 2.Bg3#
        • 2.Bf4#
        • 2.Bg7#
        • 2.Bh8#
      • 1...Kxf5!
  • Keys
    • 1.Re6!
      • threat
        • 2.Sf6#
      • 1...Kxd5
        • 2.Sf6#
      • 1...Bxd7
        • 2.Qg4#
      • 1...Sxd5
        • 2.Bh2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(G);
      • Threat
        • S(H)
      • Vars
        • K(f);P_SPINB(i),S_FLIGHT,XP(D)::S(H)
        • B(i);XS(H)::QAR1(C)
        • S(c);SBLOCK,XP(D)::QAB1(C)
      • Refutation
        • Q(g);XP(F)
    • Try
      • Q(C);CHECK
      • Refutation
        • K(f);S_FLIGHT,XQ(C)
  • Actual
    • R(G);
    • Threat
      • S(H)
    • Vars
      • K(f);P_SPINB(i),S_FLIGHT,XP(D)::S(H)
      • B(i);XS(H)::QAR2(C)
      • S(c);SBLOCK,XP(D)::R(G)+B(E)
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