MESON Chess Problem Database

Problem Display
PID: 185110 (BB4qb/5p1N/2pR1P2/3p4/2pNkPp1/1PK5/3P1P2/8 w - - 0 1)

Nield, Joshua

British Chess Magazine, 1917

BB4qb/5p1N/2pR1P2/3p4/2pNkPp1/1PK5/3P1P2/8

#2

11 + 8

SOLUTION

  • SOUND
  • Tries
    • 1.Rd7?
      • threat
        • 2.Re7#
      • 1...Bxf6
        • 2.Sxf6#
      • 1...Qg5
        • 2.Sxg5#
      • 1...Qc8
        • 2.Sg5#
      • 1...Qd8
        • 2.Sg5#
      • 1...Qe8
        • 2.Sg5#
      • 1...Qf8
        • 2.Sg5#
      • 1...Qxb8!
    • 1.d3+?
      • 1...Kxf4
        • 2.Rd8#
      • 1...cxd3!
    • 1.f3+?
      • 1...Kxf4
        • 2.Rd8#
      • 1...gxf3!
  • Keys
    • 1.Rd8!
      • 1...Qxh7
        • 2.Re8#
      • 1...Qxd8
        • 2.Sg5#
      • 1...Bxf6
        • 2.Sxf6#
      • 1...cxb3
        • 2.d3#
      • 1...Qg5
        • 2.Sxg5#
      • 1...Qg6
        • 2.Re8#
      • 1...Qg7
        • 2.Re8#
      • 1...Qe8
        • 2.Sg5#
        • 2.Rxe8#
      • 1...Qf8
        • 2.Sg5#
      • 1...Bg7
        • 2.Sg5#
      • 1...g3
        • 2.f3#
      • 1...c5
        • 2.Bxd5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 11
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(G);
      • Threat
        • R(G)
      • Vars
        • B(h);P_PINS(E),XP(H)::S(I),XB(h)
        • Q(g);N_GUARD::S(I),XQ(g)
        • Q(g);N_GUARD::S(I)
      • Refutation
        • Q(g);XB(K)
    • Try
      • P(A);CHECK
      • Vars
        • K(b);P-FLIGHT,XP(F)::B(K)+R(G)
      • Refutation
        • P(a);XP(A)
    • Try
      • P(B);CHECK
      • Vars
        • K(b);P-FLIGHT,XP(F)::B(K)+R(G)
      • Refutation
        • P(c);XP(B)
  • Actual
    • R(G);
    • Vars
      • Q(g);N_GUARD,XS(I)::R(G)
      • Q(g);N_GUARD,XR(G)::S(I)
      • B(h);P_PINS(E),XP(H)::S(I),XB(h)
      • P(a);N_GUARD,XP(C)::P(A)
      • Q(g);N_GUARD::S(I),XQ(g)
      • Q(g);N_GUARD::R(G)
      • Q(g);N_GUARD::S(I)
      • B(h);S_CUTQ(g)::S(I)
      • P(c);N_GUARD::P(B)
      • P(e);OGATE,P_SPINP(d)::B(J),XP(d)
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