MESON Chess Problem Database

Problem Display
PID: 143897 (3N4/4p3/1rP1p3/1P2k2K/R2N2P1/5P2/4P3/n1BR2n1 w - - 0 1)

Wright, Roger John

Brighton Pavilion, 1896

3N4/4p3/1rP1p3/1P2k2K/R2N2P1/5P2/4P3/n1BR2n1

#2

11 + 6

14868 Pirnie Collection 2012

SOLUTION

  • SOUND
  • Tries
    • 1.Sf7+?
      • 1...Kd5
        • 2.Sb3#
      • 1...Kf6!
    • 1.f4+?
      • 1...Ke4
        • 2.Sc2#
        • 2.Sb3#
        • 2.Sf3#
        • 2.Sf5#
        • 2.S4xe6#
      • 1...Kd5
        • 2.Sb3#
        • 2.S4xe6#
      • 1...Kd6
        • 2.S4xe6#
      • 1...Kf6!
  • Keys
    • 1.Bb2!
      • threat
        • 2.Sc2#
        • 2.Sb3#
        • 2.Sf5#
        • 2.S4xe6#
      • 1...Kf4
        • 2.Sf5#
      • 1...Kd5
        • 2.Sb3#
        • 2.S4xe6#
      • 1...Kd6
        • 2.S4xe6#
      • 1...Kf6
        • 2.S4xe6#
      • 1...Rxb5
        • 2.Sb3#
        • 2.Sxb5#
      • 1...Rxc6
        • 2.S4xc6#
      • 1...Sxe2
        • 2.Sxe2#
      • 1...Sxf3
        • 2.Sxf3#
      • 1...Sc2
        • 2.Sxc2#
      • 1...Sb3
        • 2.Sxb3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(K);CHECK
      • Vars
        • K(c);P-FLIGHT::R(B)+S(F)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • P(D);CHECK
      • Vars
        • K(c);S_FLIGHT::R(B)+S(F),XP(e)
      • Refutation
        • K(c);S_FLIGHT
  • Actual
    • B(A);
    • Threat
      • DUALS(4)
    • Vars
      • K(c);S_FLIGHT::R(E)+S(F)
      • K(c);S_FLIGHT::R(B)+S(F),XP(e)
      • K(c);S_FLIGHT::B(A)+S(F),XP(e)
      • R(d);XP(J)::B(A)+S(F),DCHECK,XR(d)
      • S(b);XP(C)::B(A)+S(F),XS(b)
      • S(b);XP(D)::B(A)+S(F),DCHECK,XS(b)
      • S(a);::B(A)+S(F),XS(a)
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