MESON Chess Problem Database

Problem Display
PID: 69513 (8/4K3/8/p3k2p/1pP1p1b1/r4p2/2BPN2r/R4QR1 w - - 0 1)

CW of Sunbury (Charles White)

The Chess Player's Chronicle (Sampson), 1877

8/4K3/8/p3k2p/1pP1p1b1/r4p2/2BPN2r/R4QR1

#2

8 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Rb3
      • 2.Rxa5#
    • 1...Rc3
      • 2.Rxa5#
    • 1...Re3
      • 2.Rxa5#
    • 1...fxe2
      • 2.Qf6#
    • 1...e3
      • 2.d4#
  • Keys
    • 1.Qxf3!
      • threat
        • 2.Qxe4#
        • 2.Qf4#
        • 2.Qf6#
      • 1...Rxe2
        • 2.Qf6#
      • 1...Rxf3
        • 2.Rxa5#
      • 1...Bxf3
        • 2.Rg5#
      • 1...exf3
        • 2.d4#
      • 1...Rf2
        • 2.Qxe4#
      • 1...Rd3
        • 2.Qf4#
        • 2.Qf6#
      • 1...Re3
        • 2.Rxa5#
        • 2.Qf4#
        • 2.Qf6#
      • 1...Bf5
        • 2.Qf4#
      • 1...e3
        • 2.Qe4#
        • 2.Qd5#
        • 2.Qg3#
        • 2.Qf4#
        • 2.Qf6#
        • 2.d4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 5
  • Sets
    • R(b);OGATE::R(A),XP(g)
    • P(c);OGATE,XS(F)::QAB1(B)
    • P(e);N_GUARD::P(E)
  • Actual
    • Q(B);XP(c)
    • Threat
      • DUALS(3)
    • Vars
      • R(a);XS(F)::QAB1(B)
      • R(b);OGATE,XQ(B)::R(A),XP(g)
      • B(f);OGATE,XQ(B)::R(C)
      • P(e);N_GUARD,XQ(B)::P(E)
      • R(a);::QAR1(B),XP(e)
      • B(f);::QAB1(B)
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Developed and maintained by Brian Stephenson.
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