MESON Chess Problem Database

Problem Display
PID: 46624 (8/1B6/1K3p1N/4kP1p/1p1R3P/1P2rn2/2n1P1Q1/2B5 w - - 0 1)

Slater, George James

2nd Prize, Manchester Weekly Times, 1890-1891

(First published on Sat Feb 1 1890)

8/1B6/1K3p1N/4kP1p/1p1R3P/1P2rn2/2n1P1Q1/2B5

#2

10 + 7

56 The Problemist 2003
15239 Valois Notebooks 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Re4
      • 2.Rd5#
    • 1...Scxd4
      • 2.Qg3#
    • 1...Se1
      • 2.Qd5#
    • 1...Sg1
      • 2.Qd5#
    • 1...Sd2
      • 2.Qd5#
    • 1...Sh2
      • 2.Qd5#
    • 1...Sxh4
      • 2.Qd5#
    • 1...Sg5
      • 2.Qd5#
  • Tries
    • 1.Rd5+?
      • 1...Kf4
        • 2.Qxf3#
      • 1...Ke4!
    • 1.Qg4?
      • threat
        • 2.Sf7#
        • 2.Rd5#
        • 2.Qf4#
      • 1...Scxd4
        • 2.Sf7#
        • 2.Qg3#
      • 1...Sfxd4
        • 2.Sf7#
      • 1...Re4
        • 2.Rd5#
        • 2.Qxe4#
      • 1...Rd3
        • 2.Sf7#
        • 2.Qe4#
        • 2.Qf4#
      • 1...Sg5
        • 2.Rd5#
        • 2.Qf4#
      • 1...hxg4!
    • 1.Qg8?
      • threat
        • 2.Qd5#
      • 1...Scxd4
        • 2.Qg3#
        • 2.Qb8#
      • 1...Sfxd4
        • 2.Qb8#
      • 1...Kxd4!
  • Keys
    • 1.Qf2!
      • 1...Kxd4
        • 2.Bb2#
      • 1...Rxe2
        • 2.Bf4#
      • 1...Rxb3
        • 2.Bf4#
      • 1...Scxd4
        • 2.Qg3#
      • 1...Sfxd4
        • 2.Sf7#
      • 1...Sxh4
        • 2.Qf4#
      • 1...Rc3
        • 2.Bf4#
      • 1...Rd3
        • 2.Bf4#
      • 1...Re4
        • 2.Rd5#
      • 1...Sa1
        • 2.Qxe3#
      • 1...Sce1
        • 2.Qxe3#
      • 1...Sa3
        • 2.Qxe3#
      • 1...Sfe1
        • 2.Qf4#
      • 1...Sg1
        • 2.Qf4#
      • 1...Sd2
        • 2.Qf4#
      • 1...Sh2
        • 2.Qf4#
      • 1...Sg5
        • 2.Qf4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 6
    • ADDED MATES = 9
    • REMOVED MATES = 0
  • Sets
    • R(b);SBLOCK::R1(E)
    • S(a);SBLOCK,XR(E)::QAB(C)
    • S(c);OGATE::QAR1(C)
    • S(c);OGATE,XP(F)::QAR1(C)
  • Tries
    • Try
      • R(E);CHECK
      • Vars
        • K(e);P_SPINR(b),S_FLIGHT::QAR1(C),XS(c)
      • Refutation
        • K(e);P-FLIGHT,P_SPINS(c)
    • Try
      • Q(C);
      • Threat
        • DUALS(3)
      • Vars
        • S(c);XR(E)::S(I)
      • Refutation
        • P(f);XQ(C)
    • Try
      • Q(C);
      • Threat
        • QAR1(C)
      • Vars
        • S(c);SBLOCK,XR(E)::QAB(C)
      • Refutation
        • K(e);S_FLIGHT,XR(E)
  • Actual
    • Q(C);
    • Vars
      • K(e);OGATEB,P_SPINR(b),S_FLIGHT,XR(E)::B(A)
      • R(b);OGATE,XP(B)::B(A)
      • R(b);OGATE,XP(D)::B(A)
      • S(a);SBLOCK,XR(E)::QAB(C)
      • S(c);SBLOCK,XR(E)::S(I)
      • S(c);OGATE,XP(F)::QAB1(C)
      • R(b);OGATE::B(A)
      • R(b);SBLOCK::R1(E)
      • S(a);N_GUARD::QAR2(C),XR(b)
      • S(c);OGATE::QAB1(C)
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