MESON Chess Problem Database

Problem Display
PID: 143143 (8/KnQ5/6pB/3pR3/2bk1p2/1p4N1/8/4N3 w - - 0 1)

Davis, Henry Hosey

2nd Prize, Manchester Weekly Times, 1892

(First published on Fri Dec 16 1892)

8/KnQ5/6pB/3pR3/2bk1p2/1p4N1/8/4N3

#2

6 + 7

15 British Chess Magazine 1893
15239 Valois Notebooks 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Be2
      • 2.Sxe2#
    • 1...Bd3
      • 2.Sf3#
  • Tries
    • 1.Bg7?
      • threat
        • 2.Re2#
        • 2.Re4#
        • 2.Re6#
        • 2.Re7#
        • 2.Re8#
      • 1...fxg3
        • 2.Re2#
        • 2.Re6#
        • 2.Re7#
        • 2.Re8#
      • 1...Be2
        • 2.Sxe2#
        • 2.Rxe2#
        • 2.Re4#
        • 2.Re6#
        • 2.Re7#
        • 2.Re8#
      • 1...Kc3!
  • Keys
    • 1.Re3!
      • 1...Kxe3
        • 2.Qxf4#
      • 1...fxe3
        • 2.Bg7#
      • 1...fxg3
        • 2.Sf3#
      • 1...Bf1
        • 2.Qc3#
      • 1...Be2
        • 2.Qc3#
      • 1...Bd3
        • 2.Rxd3#
      • 1...Bb5
        • 2.Qc3#
      • 1...Ba6
        • 2.Qc3#
      • 1...Sa5
        • 2.Qb6#
      • 1...Sc5
        • 2.Qe5#
      • 1...Sd6
        • 2.Qb6#
      • 1...Sd8
        • 2.Qb6#
      • 1...b2
        • 2.Sc2#
      • 1...f3
        • 2.Sxf3#
      • 1...g5
        • 2.Sf5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 2
    • ADDED MATES = 13
    • REMOVED MATES = 0
  • Sets
    • B(b);N_GUARD::S(B),XB(b)
    • B(b);SBLOCK::S(A)
  • Tries
    • Try
      • B(D);
      • Threat
        • DUALS(5)
      • Refutation
        • K(c);P_SPINB(b),S_FLIGHT
  • Actual
    • R(C);
    • Vars
      • K(c);P_SPINP(d),S_FLIGHT,XR(C)::QAB1(F),XP(d)
      • P(d);SBLOCK,XR(C)::B(D)
      • P(d);XS(B)::S(A)
      • B(b);OGATE::QAB1(F)
      • B(b);N_GUARD::R1(C),XB(b)
      • S(g);N_GUARD::QAB(F)
      • S(g);SBLOCK::QAB1(F)
      • P(a);N_GUARD::S(A)
      • P(d);::S(A),XP(d)
      • P(f);N_GUARD::S(B)
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