MESON Chess Problem Database

Problem Display
PID: 266422 (5b2/3p1pp1/1BPk4/1pRPpnQ1/4P3/3b1N1K/q1r1N1P1/8 w - - 0 1)

Stokoe, John Little

Sunday Referee, 1937

(First published on Sun Jul 18 1937)

5b2/3p1pp1/1BPk4/1pRPpnQ1/4P3/3b1N1K/q1r1N1P1/8

#2

10 + 11

SOLUTION

  • SOUND
  • Sets
    • 1...Se3
      • 2.Qxe5#
    • 1...Sg3
      • 2.Qxe5#
    • 1...Sd4
      • 2.Qxe5#
    • 1...Sh4
      • 2.Qxe5#
    • 1...Sh6
      • 2.Qxe5#
    • 1...Se7
      • 2.Qxe5#
    • 1...dxc6
      • 2.Qd8#
    • 1...g6
      • 2.Qf6#
  • Tries
    • 1.Sg3?
      • threat
        • 2.Sxf5#
      • 1...Bxe4
        • 2.Sxe4#
      • 1...Sxg3
        • 2.Qxe5#
      • 1...dxc6
        • 2.Qd8#
      • 1...Se3
        • 2.Qxe5#
      • 1...Sd4
        • 2.Qxe5#
      • 1...Sh4
        • 2.Qxe5#
      • 1...Sh6
        • 2.Qxe5#
      • 1...Se7
        • 2.Qxe5#
      • 1...g6
        • 2.Qf6#
      • 1...Qxd5!
    • 1.Qxf5?
      • threat
        • 2.Qxd7#
        • 2.Qxe5#
      • 1...Ke7
        • 2.Qxe5#
      • 1...Qxd5
        • 2.Qxd7#
      • 1...Qa1
        • 2.Qxd7#
      • 1...Qb2
        • 2.Qxd7#
      • 1...Qa7
        • 2.Qxe5#
      • 1...f6
        • 2.Qxd7#
      • 1...dxc6!
  • Keys
    • 1.Sed4!
      • threat
        • 2.Sxf5#
      • 1...Qxd5
        • 2.Rxd5#
      • 1...Bxe4
        • 2.Sxb5#
      • 1...Sxd4
        • 2.Qxe5#
      • 1...exd4
        • 2.e5#
      • 1...dxc6
        • 2.Qd8#
      • 1...Se3
        • 2.Qxe5#
      • 1...Sg3
        • 2.Qxe5#
      • 1...Sh4
        • 2.Qxe5#
      • 1...Sh6
        • 2.Qxe5#
      • 1...Se7
        • 2.Qxe5#
      • 1...g6
        • 2.Qf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • S(f);OGATE::QAB1(H),XP(e)
    • P(h);OGATEB,XP(J)::QAR2(H)
    • P(j);N_GUARD::QAR2(H)
  • Tries
    • Try
      • S(A);
      • Threat
        • S(A),XS(f)
      • Vars
        • B(c);XP(E)::S(A),XB(c)
        • S(f);OGATE,XS(A)::QAB1(H),XP(e)
        • P(h);OGATEB,XP(J)::QAR2(H)
        • S(f);OGATE::QAB1(H),XP(e)
        • P(j);N_GUARD::QAR2(H)
      • Refutation
        • Q(a);XP(G)
    • Try
      • Q(H);XS(f)
      • Threat
        • DUALS(2)
      • Vars
        • K(g);S_FLIGHT::QAR2(H),XP(e)
        • Q(a);XP(G)::QAR1(H),XP(h)
        • Q(a);::QAR1(H),XP(h)
        • Q(a);::QAB1(H),XP(e)
        • P(i);::QAR1(H),XP(h)
      • Refutation
        • P(h);XP(J)
  • Actual
    • S(A);
    • Threat
      • S(A),XS(f)
    • Vars
      • Q(a);OGATE,XP(G)::R1(F),XQ(a)
      • B(c);N_GUARD,XP(E)::S(A),XP(d)
      • S(f);OGATE,XS(A)::QAB1(H),XP(e)
      • P(e);OGATE,XS(A)::P(E)
      • P(h);OGATEB,XP(J)::QAR2(H)
      • S(f);OGATE::QAB1(H),XP(e)
      • P(j);N_GUARD::QAR2(H)
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