MESON Chess Problem Database

Problem Display
PID: 102405 (2b5/3p1B2/pp5p/r2N1p2/p2k1Kn1/R1R3pq/2PP2PB/8 w - - 0 1)

Gouze, F

Europe Echecs, 1988

2b5/3p1B2/pp5p/r2N1p2/p2k1Kn1/R1R3pq/2PP2PB/8

#2

9 + 12

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rxd5
      • 2.Rxa4#
    • 1...Se3
      • 2.dxe3#
    • 1...Se5
      • 2.Bg1#
    • 1...Sf6
      • 2.Bg1#
  • Tries
    • 1.Sxb6?
      • threat
        • 2.Rc4#
      • 1...Rc5
        • 2.Rd3#
      • 1...Se3
        • 2.dxe3#
      • 1...Se5
        • 2.Bg1#
      • 1...d5!
    • 1.Bg1+?
      • 1...Se3
        • 2.Bxe3#
        • 2.dxe3#
      • 1...Sf2!
  • Keys
    • 1.Se7!
      • threat
        • 2.Rc4#
      • 1...d5
        • 2.Sc6#
      • 1...Rc5
        • 2.Rd3#
      • 1...Rd5
        • 2.Rxa4#
      • 1...Se3
        • 2.dxe3#
      • 1...Se5
        • 2.Bg1#
      • 1...b5
        • 2.Sxf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • R(f);N_GUARD,XS(H)::R(E),XP(c)
    • S(e);OGATE::P(B),XS(e)
    • S(e);N_GUARD::B(D)
  • Tries
    • Try
      • S(H);XP(i)
      • Threat
        • R1(F)
      • Vars
        • R(f);SBLOCK::R1(F)
        • S(e);OGATE::P(B),XS(e)
        • S(e);N_GUARD::B(D)
      • Refutation
        • P(k);
    • Try
      • B(D);CHECK
      • Refutation
        • S(e);P_SPINS(e)
  • Actual
    • S(H);
    • Threat
      • R1(F)
    • Vars
      • P(k);N_GUARD::S(H)
      • R(f);SBLOCK::R1(F)
      • R(f);N_GUARD::R(E),XP(c)
      • S(e);OGATE::P(B),XS(e)
      • S(e);N_GUARD::B(D)
      • P(i);S_CUTR(f)::S(H),XP(g)
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Developed and maintained by Brian Stephenson.
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