MESON Chess Problem Database

Problem Display
PID: 75763 (N6R/6K1/1Pk5/1pp1P1p1/4R3/4P3/3Q1pnp/3Bbrqr w - - 0 1)

Melnichuk, Aleksandr Nikolaevich

Zhuk, Aleksandr Gnatovich

The Macedonian Problemist, 2007

N6R/6K1/1Pk5/1pp1P1p1/4R3/4P3/3Q1pnp/3Bbrqr

#2

9 + 11

SOLUTION

  • SOUND
  • Tries
    • 1.Rb8?
      • threat
        • 2.Qd6#
      • 1...b4
        • 2.Ba4#
      • 1...Bxd2!
  • Keys
    • 1.Bf3!
      • threat
        • 2.Ra4#
        • 2.Rb4#
        • 2.Rc4#
        • 2.Rd4#
        • 2.Rf4#
        • 2.Rg4#
        • 2.Reh4#
      • 1...Kb7
        • 2.Ra4#
      • 1...Bxd2
        • 2.Rd4#
      • 1...Sxe3
        • 2.Rxe3#
      • 1...b4
        • 2.Rxb4#
      • 1...c4
        • 2.Rxc4#
      • 1...Sf4
        • 2.Rxf4#
      • 1...Sh4
        • 2.Rexh4#
      • 1...g4
        • 2.Rxg4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(I);
      • Threat
        • QAR1(B)
      • Vars
        • P(h);OGATEB::B(A)
      • Refutation
        • B(a);XQ(B)
  • Actual
    • B(A);
    • Threat
      • DUALS(7)
    • Vars
      • K(k);S_FLIGHT::B(A)+R(D)
      • B(a);XQ(B)::B(A)+R(D)
      • S(f);OGATE,XP(C)::B(A)+R(D),XS(f)
      • P(h);::B(A)+R(D),XP(h)
      • P(i);::B(A)+R(D),DCHECK,XP(i)
      • S(f);::B(A)+R(D),XS(f)
      • P(j);::B(A)+R(D),XP(j)
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