MESON Chess Problem Database

Problem Display
PID: 154422 (Bn4n1/2K5/p1PBp3/p2kp2N/R2P2PQ/4b3/4P3/8 w - - 0 1)

Lawton, Howard

Sheffield Guardian (The), 1910

(First published on Fri Jun 24 1910)

Bn4n1/2K5/p1PBp3/p2kp2N/R2P2PQ/4b3/4P3/8

#2

10 + 8

15239 Valois Notebooks 2015

SOLUTION

  • SOUND
  • Sets
    • 1...Ke4
      • 2.Qh1#
    • 1...Sxc6
      • 2.Bxc6#
    • 1...Sd7
      • 2.cxd7#
    • 1...Sf6
      • 2.Sxf6#
    • 1...Sh6
      • 2.Sf6#
    • 1...Se7
      • 2.Sf6#
    • 1...exd4
      • 2.Qh1#
  • Tries
    • 1.Bxe5?
      • threat
        • 2.Qh1#
      • 1...Ke4
        • 2.Qh1#
      • 1...Sf6
        • 2.Sxf6#
      • 1...Bxd4!
    • 1.dxe5?
      • threat
        • 2.Qh1#
      • 1...Sf6
        • 2.Sxf6#
      • 1...Bb6+!
  • Keys
    • 1.Qe1!
      • 1...Ke4
        • 2.Qh1#
      • 1...Bxd4
        • 2.e4#
      • 1...Sxc6
        • 2.Bxc6#
      • 1...exd4
        • 2.Qh1#
      • 1...Bc1
        • 2.e4#
      • 1...Bg1
        • 2.e4#
      • 1...Bd2
        • 2.e4#
      • 1...Bf2
        • 2.e4#
      • 1...Bf4
        • 2.e4#
      • 1...Bg5
        • 2.e4#
      • 1...Bh6
        • 2.e4#
      • 1...Sd7
        • 2.cxd7#
      • 1...Sf6
        • 2.Sxf6#
      • 1...Sh6
        • 2.Sf6#
      • 1...Se7
        • 2.Sf6#
      • 1...e4
        • 2.Qxa5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 0
  • Sets
    • K(c);S_FLIGHT::QAB(E)
    • S(g);OGATE,P_SPINS(g),XP(G)::B(J),XS(g)
    • S(g);OGATE::B(J)+P(G),XS(g)
    • S(h);N_GUARD::S(F),XS(h)
    • S(h);N_GUARD::S(F)
    • P(d);N_GUARD,XP(C)::QAB(E)
  • Tries
    • Try
      • B(H);XP(d)
      • Threat
        • QAB(E)
      • Vars
        • K(c);S_FLIGHT::QAB(E)
        • S(h);N_GUARD::S(F),XS(h)
      • Refutation
        • B(a);XP(C)
    • Try
      • P(C);XP(d)
      • Threat
        • QAB(E)
      • Vars
        • S(h);N_GUARD::S(F),XS(h)
      • Refutation
        • B(a);CHECK
  • Actual
    • Q(E);
    • Vars
      • K(c);S_FLIGHT::QAB(E)
      • B(a);OGATE,XP(C)::P(A)
      • S(g);OGATE,P_SPINS(g),XP(G)::B(J),XS(g)
      • P(d);N_GUARD,XP(C)::QAB(E)
      • B(a);OGATE::P(A)
      • S(g);OGATE::B(J)+P(G),XS(g)
      • S(h);N_GUARD::S(F),XS(h)
      • S(h);N_GUARD::S(F)
      • P(d);SBLOCK::QAR(E),XP(b)
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