MESON Chess Problem Database

Problem Display
PID: 2616 (8/1Bp1pNK1/3bPp2/1R1n1k2/2R4P/4PP2/7p/7N w - - 0 1)

Pierce, James

Source?, 0000

8/1Bp1pNK1/3bPp2/1R1n1k2/2R4P/4PP2/7p/7N

#2

10 + 7

3501 Chess Problems by Pierces 1873

SOLUTION

  • SOUND
  • Sets
    • 1...Kxe6
      • 2.Bc8#
  • Tries
    • 1.Sg3+?
      • 1...Kxe6
        • 2.Bc8#
      • 1...Bxg3!
    • 1.Sh6+?
      • 1...Ke5
        • 2.Re4#
      • 1...Kxe6!
    • 1.Rf4+?
      • 1...Kxe6
        • 2.Bc8#
      • 1...Bxf4!
    • 1.e4+?
      • 1...Kxe6
        • 2.Bc8#
      • 1...Kf4!
  • Keys
    • 1.Rc6!
      • 1...Kxe6
        • 2.Bc8#
      • 1...Ba3
        • 2.Sg3#
        • 2.Rxd5#
      • 1...Bg3
        • 2.Sxg3#
      • 1...Bb4
        • 2.Sg3#
        • 2.Rxd5#
      • 1...Bf4
        • 2.e4#
      • 1...Bc5
        • 2.Sg3#
      • 1...Be5
        • 2.Sh6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • K(c);N_SPINS(b),OGATEB,S_FLIGHT,XP(G)::B(H)
  • Tries
    • Try
      • S(A);CHECK
      • Vars
        • K(c);N_SPINS(b),S_FLIGHT,XP(G)::B(H)
      • Refutation
        • B(d);XS(A)
    • Try
      • S(I);CHECK
      • Vars
        • K(c);P-FLIGHT::R1(D)
      • Refutation
        • K(c);N_SPINS(b),S_FLIGHT,XP(G)
    • Try
      • R(D);CHECK
      • Vars
        • K(c);N_SPINS(b),S_FLIGHT,XP(G)::B(H)
      • Refutation
        • B(d);XR(D)
    • Try
      • P(B);CHECK
      • Vars
        • K(c);N_SPINS(b),S_FLIGHT,XP(G)::B(H)
      • Refutation
        • K(c);N_SPINS(b),P-FLIGHT
  • Actual
    • R(D);
    • Vars
      • K(c);N_SPINS(b),OGATEB,P_SPINB(d),S_FLIGHT,XP(G)::B(H)
      • B(d);N_GUARD::S(A),XB(d)
      • B(d);SBLOCK::P(B)
      • B(d);N_GUARD,N_SPINS(b)::S(A)
      • B(d);N_SPINS(b),SBLOCK::S(I)
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