MESON Chess Problem Database

Problem Display
PID: 157818 (2B5/1r4p1/1bpp1kPp/2N1RN2/5p2/8/8/6QK w - - 0 1)

Garofalo, Antonio

Lukashev, Viktor Sergeevich

Best Problems, 2008

2B5/1r4p1/1bpp1kPp/2N1RN2/5p2/8/8/6QK

#2

7 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Kxe5
      • 2.Qd4#
    • 1...Rd7
      • 2.Sxd7#
    • 1...Rb8
      • 2.Sd7#
    • 1...Bc7
      • 2.Sd7#
    • 1...dxe5
      • 2.Se4#
  • Tries
    • 1.Sxd6?
      • threat
        • 2.Re6#
      • 1...Re7
        • 2.Rf5#
      • 1...Kxe5!
  • Keys
    • 1.Se7!
      • threat
        • 2.Re6#
      • 1...Kxe5
        • 2.Qa1#
      • 1...Rxe7
        • 2.Rf5#
      • 1...dxe5
        • 2.Sg8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 1
    • REMOVED MATES = 3
  • Sets
    • K(e);OGATEB,S_FLIGHT,XR(D)::QAB1(A)
    • R(g);N_GUARD::S(C),XR(g)
    • R(g);N_GUARD::S(C)
    • B(b);S_CUTR(g)::S(C)
    • P(d);SBLOCK,XR(D)::S(C)
  • Tries
    • Try
      • S(E);XP(d)
      • Threat
        • R1(D)
      • Vars
        • R(g);SBLOCK::R1(D)
      • Refutation
        • K(e);S_FLIGHT,XR(D)
  • Actual
    • S(E);
    • Threat
      • R1(D)
    • Vars
      • K(e);OGATEB,S_FLIGHT,XR(D)::QAB(A)
      • R(g);SBLOCK,XS(E)::R1(D)
      • P(d);SBLOCK,XR(D)::S(E)
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