MESON Chess Problem Database

Problem Display
PID: 141799 (6B1/1K6/4N3/2p1Np2/4k3/3R2p1/1Q6/5b2 w - - 0 1)

Gleave, Walter

2nd Prize, The Schoolmaster, 1890

6B1/1K6/4N3/2p1Np2/4k3/3R2p1/1Q6/5b2

#2

6 + 5

655 La Presse 1894
14868 Pirnie Collection 2011

SOLUTION

  • SOUND
  • Sets
    • 1...Be2
      • 2.Qxe2#
    • 1...Bg2
      • 2.Qe2#
    • 1...Bh3
      • 2.Qe2#
    • 1...c4
      • 2.Qd4#
    • 1...f4
      • 2.Bh7#
  • Tries
    • 1.Sc4?
      • 1...Kxd3
        • 2.Sxc5#
      • 1...Bxd3
        • 2.Qg2#
      • 1...f4
        • 2.Bh7#
      • 1...Be2
        • 2.Qxe2#
      • 1...Bg2
        • 2.Qe2#
      • 1...Bh3
        • 2.Qe2#
      • 1...g2!
    • 1.Rd4+?
      • 1...Ke3
        • 2.Qd2#
      • 1...cxd4
        • 2.Qxd4#
      • 1...Kxe5!
  • Keys
    • 1.Sg4!
      • 1...Kxd3
        • 2.Sxc5#
      • 1...Bxd3
        • 2.Qg2#
      • 1...fxg4
        • 2.Bh7#
      • 1...f4
        • 2.Bh7#
      • 1...g2
        • 2.Sf2#
      • 1...Be2
        • 2.Qxe2#
      • 1...Bg2
        • 2.Qe2#
      • 1...Bh3
        • 2.Qe2#
      • 1...c4
        • 2.Qd4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • B(a);N_GUARD::QAR2(A),XB(a)
    • B(a);N_GUARD::QAR2(A)
    • P(d);N_GUARD::QAR1(A)
    • P(e);OGATEB::B(F)
  • Tries
    • Try
      • S(C);
      • Vars
        • K(c);S_FLIGHT,XR(B)::S(D),XP(d)
        • B(a);N_GUARD,SBLOCK,XR(B)::QAB(A)
        • P(e);OGATEB::B(F)
        • B(a);N_GUARD::QAR2(A),XB(a)
        • B(a);N_GUARD::QAR2(A)
      • Refutation
        • P(b);
    • Try
      • R(B);CHECK
      • Vars
        • K(c);P-FLIGHT::QAB1(A)
        • P(d);OGATE,XR(B)::QAR1(A),XP(d)
      • Refutation
        • K(c);P-FLIGHT,XS(C)
  • Actual
    • S(C);
    • Vars
      • K(c);S_FLIGHT,XR(B)::S(D),XP(d)
      • B(a);N_GUARD,SBLOCK,XR(B)::QAB(A)
      • P(e);OGATEB,XS(C)::B(F)
      • P(e);OGATEB::B(F)
      • P(b);N_GUARD::S(C)
      • B(a);N_GUARD::QAR2(A),XB(a)
      • B(a);N_GUARD::QAR2(A)
      • P(d);N_GUARD::QAR1(A)
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