MESON Chess Problem Database

Problem Display
PID: 11173 (1R1B2B1/p2p1N1Q/k6P/4pbP1/6p1/3R2nr/1p2r3/1Kb5 w - - 0 1)

Bufton, JEL

Chess, 1937

1R1B2B1/p2p1N1Q/k6P/4pbP1/6p1/3R2nr/1p2r3/1Kb5

#2

9 + 11

SOLUTION

  • SOUND
  • Sets
    • 1...Rc2
      • 2.Ra3#
    • 1...Re4
      • 2.Rd6#
    • 1...Bxd3+
      • 2.Qxd3#
    • 1...Be6
      • 2.Ra3#
      • 2.Rd6#
    • 1...e4
      • 2.Ra3#
      • 2.Rd6#
  • Tries
    • 1.Sxe5?
      • threat
        • 2.Bc4#
      • 1...Bxd3+
        • 2.Qxd3#
      • 1...Rc2
        • 2.Ra3#
      • 1...Re4
        • 2.Rd6#
      • 1...Be6
        • 2.Ra3#
        • 2.Rd6#
      • 1...d5
        • 2.Qb7#
      • 1...Rxe5!
    • 1.Sd6?
      • threat
        • 2.Bc4#
      • 1...Bxd3+
        • 2.Qxd3#
      • 1...Rc2
        • 2.Ra3#
      • 1...Be6
        • 2.Ra3#
      • 1...Re4!
    • 1.Qg6+?
      • 1...Be6
        • 2.Ra3#
        • 2.Rd6#
      • 1...d6
        • 2.Qxd6#
      • 1...Bxg6!
  • Keys
    • 1.Sh8!
      • threat
        • 2.Bc4#
      • 1...Bxd3+
        • 2.Qxd3#
      • 1...Rc2
        • 2.Ra3#
      • 1...Re4
        • 2.Rd6#
      • 1...Be6
        • 2.Ra3#
        • 2.Rd6#
      • 1...d5
        • 2.Qb7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • R(c);N_PINR(B)::R(B)
    • B(h);CHECK,OGATE,XR(B)::QAB(F),XB(h)
  • Tries
    • Try
      • S(E);XP(g)
      • Threat
        • B(I)
      • Vars
        • B(h);CHECK,OGATE,XR(B)::QAB(F),XB(h)
        • R(c);N_PINR(B)::R(B)
        • P(k);OGATE::QAB1(F)
      • Refutation
        • R(c);XS(E)
    • Try
      • S(E);
      • Threat
        • B(I)
      • Vars
        • B(h);CHECK,OGATE,XR(B)::QAB(F),XB(h)
        • R(c);N_PINR(B)::R(B)
        • B(h);N_PINR(B)::R(B)
      • Refutation
        • R(c);N_PINR(B)
    • Try
      • Q(F);CHECK
      • Vars
        • P(k);P_SPINP(k)::QAR(F),XP(k)
      • Refutation
        • B(h);XQ(F)
  • Actual
    • S(E);
    • Threat
      • B(I)
    • Vars
      • B(h);CHECK,OGATE,XR(B)::QAB(F),XB(h)
      • R(c);N_PINR(B)::R(B)
      • P(k);OGATE::QAB1(F)
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