MESON Chess Problem Database

Problem Display
PID: 184439 (1N6/B1p5/P1B5/kn6/1b1R4/8/1R6/KN6 w - - 0 1)

Nield, Joshua

British Chess Magazine, 1916

1N6/B1p5/P1B5/kn6/1b1R4/8/1R6/KN6

#2

8 + 4

SOLUTION

  • SOUND
  • Sets
    • 1...Be1
      • 2.Rxb5#
    • 1...Bd2
      • 2.Rxb5#
    • 1...Ba3
      • 2.Rxb5#
    • 1...Bc5
      • 2.Rxb5#
    • 1...Bd6
      • 2.Rxb5#
    • 1...Be7
      • 2.Rxb5#
    • 1...Bf8
      • 2.Rxb5#
  • Tries
    • 1.Rdxb4?
      • 1...Sxa7
        • 2.Ra4#
      • 1...Sa3
        • 2.Ra4#
      • 1...Sd4
        • 2.Ra4#
      • 1...Sd6
        • 2.Ra4#
      • 1...Sc3!
  • Keys
    • 1.Sd2!
      • 1...Ka4
        • 2.Ra2#
      • 1...Bxd2
        • 2.Rxb5#
      • 1...Sxd4
        • 2.Sc4#
      • 1...Sxa7
        • 2.Sc4#
      • 1...Ba3
        • 2.Sb3#
        • 2.Rxb5#
      • 1...Bc3
        • 2.Sb3#
      • 1...Bc5
        • 2.Sb3#
        • 2.Rxb5#
      • 1...Bd6
        • 2.Sb3#
        • 2.Rxb5#
      • 1...Be7
        • 2.Sb3#
        • 2.Rxb5#
      • 1...Bf8
        • 2.Sb3#
        • 2.Rxb5#
      • 1...Sa3
        • 2.Sb3#
      • 1...Sc3
        • 2.Sb3#
        • 2.Sc4#
      • 1...Sd6
        • 2.Sb3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 6
  • Sets
    • B(a);OGATE::R1(C),XS(c)
  • Tries
    • Try
      • R(D);XB(a)
      • Vars
        • S(c);XB(G)::R1(D)
        • S(c);::R1(D)
      • Refutation
        • S(c);
  • Actual
    • S(B);
    • Vars
      • K(b);P-FLIGHT,P_SPINB(a),P_SPINS(c)::R(C)
      • B(a);OGATE,XS(B)::R1(C),XS(c)
      • S(c);XR(D)::S(B)
      • S(c);XB(G)::S(B)
      • B(a);P_PINR(C)::S(B)
      • S(c);::S(B)
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