MESON Chess Problem Database

Problem Display
PID: 170432 (1b2r3/2p2N2/K1QP4/p1pP1p1B/r3k1p1/1N2pnP1/2P5/4R3 w - - 0 1)

Dikusarov, Andrey Nikolayovich

Sachmatija, 2012

1b2r3/2p2N2/K1QP4/p1pP1p1B/r3k1p1/1N2pnP1/2P5/4R3

#2

10 + 11

SOLUTION

  • SOUND
  • Sets
    • 1...Rd4
      • 2.Sxc5#
    • 1...Re6
      • 2.dxe6#
    • 1...Sd4
      • 2.Sd2#
    • 1...Se5
      • 2.Sg5#
    • 1...e2
      • 2.Rxe2#
    • 1...f4
      • 2.Bg6#
  • Tries
    • 1.d7?
      • threat
        • 2.d6#
      • 1...Sd4
        • 2.Sd2#
      • 1...Se5
        • 2.Sg5#
      • 1...e2
        • 2.Rxe2#
      • 1...f4
        • 2.Bg6#
      • 1...Rd4
        • 2.Sxc5#
      • 1...Re5!
  • Keys
    • 1.dxc7!
      • threat
        • 2.d6#
      • 1...Sd4
        • 2.Sd2#
      • 1...Se5
        • 2.Sg5#
      • 1...e2
        • 2.Rxe2#
      • 1...f4
        • 2.Bg6#
      • 1...Rd4
        • 2.Sxc5#
      • 1...Re5
        • 2.Sd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • R(c);SBLOCK::S(C),XP(g)
    • R(k);OGATE::QAB(H)+P(E),XR(k)
    • S(b);N_GUARD,SBLOCK::S(C)
    • S(b);N_GUARD,SBLOCK::S(J)
    • P(a);OGATEB::R(A),XP(a)
    • P(h);OGATEB::B(F)
  • Tries
    • Try
      • P(I);
      • Threat
        • QAB(H)+P(E)
      • Vars
        • S(b);N_GUARD,SBLOCK::S(C)
        • S(b);N_GUARD,SBLOCK::S(J)
        • P(a);OGATEB::R(A),XP(a)
        • P(h);OGATEB::B(F)
        • R(c);SBLOCK::S(C),XP(g)
      • Refutation
        • R(k);
  • Actual
    • P(I);XP(i)
    • Threat
      • QAB(H)+P(E)
    • Vars
      • S(b);N_GUARD,SBLOCK::S(C)
      • S(b);N_GUARD,SBLOCK::S(J)
      • P(a);OGATEB::R(A),XP(a)
      • P(h);OGATEB::B(F)
      • R(c);SBLOCK::S(C),XP(g)
      • R(k);SBLOCK::S(J)
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