MESON Chess Problem Database

Problem Display
PID: 107568 (8/8/1R6/2p5/8/2Bk1NRN/3P4/K6B w - - 0 1)

Achbar, Selim

Apprenti Sorcier, 1992

8/8/1R6/2p5/8/2Bk1NRN/3P4/K6B

#2

8 + 2

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kc4
      • 2.Se5#
    • 1...Ke4
      • 2.Sh4#
    • 1...c4
      • 2.Sd4#
  • Tries
    • 1.Kb1?
      • 1...Kc4
        • 2.Se5#
      • 1...Ke4
        • 2.Sh4#
      • 1...c4
        • 2.Sfg1#
        • 2.Sd4#
      • 1...Ke2!
    • 1.Kb2?
      • 1...Kc4
        • 2.Se5#
      • 1...Ke4
        • 2.Sh4#
      • 1...c4
        • 2.Sfg1#
        • 2.Sd4#
      • 1...Ke2!
    • 1.Se1+?
      • 1...Kc4
        • 2.Rg4#
      • 1...Ke2!
    • 1.Rb2?
      • 1...Kc4
        • 2.Se5#
      • 1...Ke4
        • 2.Sh4#
      • 1...c4
        • 2.Sfg1#
        • 2.Sd4#
      • 1...Ke2!
  • Keys
    • 1.Rb1!
      • 1...Kc2
        • 2.Se1#
      • 1...Ke2
        • 2.Sfg1#
      • 1...Kc4
        • 2.Se5#
      • 1...Ke4
        • 2.Sh4#
      • 1...c4
        • 2.Sd4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::S(E)
    • K(a);S_FLIGHT::B(B)+S(E)
    • P(b);SBLOCK::R(F)+S(E)
  • Tries
    • Try
      • K(A);P-FLIGHT
      • Vars
        • K(a);S_FLIGHT::S(E)
        • K(a);S_FLIGHT::B(B)+S(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • K(A);S_FLIGHT
      • Vars
        • K(a);S_FLIGHT::S(E)
        • K(a);S_FLIGHT::B(B)+S(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(E);CHECK
      • Vars
        • K(a);S_FLIGHT::R(F)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(H);
      • Vars
        • K(a);S_FLIGHT::S(E)
        • K(a);S_FLIGHT::B(B)+S(E)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • R(H);
    • Vars
      • K(a);S_FLIGHT::S(E)
      • K(a);S_FLIGHT::B(B)+S(E)
      • P(b);SBLOCK::R(F)+S(E)
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