MESON Chess Problem Database

Problem Display
PID: 186295 (8/1n1prp2/5P2/2pPN2p/4k3/1B2PRB1/3RPK2/1b6 w - - 0 1)

Onkoud, Abdelaziz

idee & form, 2015

8/1n1prp2/5P2/2pPN2p/4k3/1B2PRB1/3RPK2/1b6

#2

10 + 8

15601 Albrecht-Leiss-Degener Collection 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Rxe5
      • 2.Rf4#
    • 1...Ba2
      • 2.Bc2#
    • 1...Bc2
      • 2.Bxc2#
    • 1...Bd3
      • 2.exd3#
    • 1...c4
      • 2.Rd4#
  • Tries
    • 1.Sd3?
      • threat
        • 2.Rf4#
      • 1...Bxd3
        • 2.exd3#
      • 1...c4!
    • 1.Sxf7?
      • threat
        • 2.Sg5#
        • 2.Rf4#
      • 1...Re5
        • 2.Rf4#
      • 1...Rxf7!
  • Keys
    • 1.d6!
      • threat
        • 2.Bd5#
      • 1...Rxe5
        • 2.Rf4#
      • 1...Ba2
        • 2.Bc2#
      • 1...Bd3
        • 2.exd3#
      • 1...c4
        • 2.Rd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 1
  • Sets
    • R(g);SBLOCK,XS(I)::R1(F)
    • B(a);N_GUARD::B(D)
    • B(a);N_GUARD::B(D),XB(a)
    • B(a);OGATE::P(B),XB(a)
    • P(c);N_GUARD::R1(A)
  • Tries
    • Try
      • S(I);
      • Threat
        • R1(F)
      • Vars
        • B(a);OGATE,XS(I)::P(B),XB(a)
      • Refutation
        • P(c);
    • Try
      • S(I);XP(h)
      • Threat
        • DUALS(2)
      • Vars
        • R(g);::R1(F)
      • Refutation
        • R(g);XS(I)
  • Actual
    • P(H);
    • Threat
      • B(D)
    • Vars
      • R(g);SBLOCK,XS(I)::R1(F)
      • B(a);N_GUARD::B(D)
      • B(a);OGATE::P(B),XB(a)
      • P(c);N_GUARD::R1(A)
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