MESON Chess Problem Database

Problem Display
PID: 45735 (8/1KP5/p1P2PB1/P2Nk3/R1b5/2N3R1/1B6/8 w - - 0 1)

Markevitch, Alex

StrateGems, 2002

8/1KP5/p1P2PB1/P2Nk3/R1b5/2N3R1/1B6/8

#2

11 + 3

SOLUTION

  • SOUND
  • Tries
    • 1.Se4+?
      • 1...Ke6
        • 2.Sf4#
      • 1...Kxd5!
    • 1.Sb5+?
      • 1...Ke6
        • 2.Sf4#
      • 1...Kxd5!
    • 1.Re3+?
      • 1...Kd6
        • 2.Ba3#
      • 1...Kd4!
  • Keys
    • 1.Sf4!
      • 1...Kd4
        • 2.Se4#
      • 1...Kxf4
        • 2.Se2#
      • 1...Kd6
        • 2.Se4#
      • 1...Kxf6
        • 2.Scd5#
      • 1...Bf1
        • 2.Sb5#
      • 1...Ba2
        • 2.Sb5#
      • 1...Be2
        • 2.Sb5#
      • 1...Bb3
        • 2.Sb5#
      • 1...Bd3
        • 2.Sb5#
      • 1...Bb5
        • 2.Sxb5#
      • 1...Bd5
        • 2.Sb5#
      • 1...Be6
        • 2.Sb5#
      • 1...Bf7
        • 2.Sb5#
      • 1...Bg8
        • 2.Sb5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 14
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);CHECK
      • Vars
        • K(b);P-FLIGHT::S(F)
      • Refutation
        • K(b);P-FLIGHT,XS(F)
    • Try
      • S(B);CHECK
      • Vars
        • K(b);P-FLIGHT::S(F)
      • Refutation
        • K(b);P-FLIGHT,XS(F)
    • Try
      • R(C);CHECK
      • Vars
        • K(b);S_FLIGHT::B(A)
      • Refutation
        • K(b);P_SPINB(a),S_FLIGHT
  • Actual
    • S(F);
    • Vars
      • K(b);P_SPINB(a),S_FLIGHT::B(A)+S(B)
      • K(b);P_SPINB(a),S_FLIGHT,XS(F)::S(B)
      • K(b);S_FLIGHT::S(B)
      • K(b);S_FLIGHT,XP(H)::B(A)+S(B),DCHECK
      • B(a);::B(A)+S(B)
      • B(a);::B(A)+S(B),XB(a)
      • B(a);P_PINP(G)::B(A)+S(B)
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