MESON Chess Problem Database

Problem Display
PID: 179748 (n7/4p1N1/2P1N3/1P1k1p2/3Pb3/1pK4n/6Q1/1B2R3 w - - 0 1)

Anonymous

British Chess Magazine 15. (Healey MT) Ty., 1909-1910

n7/4p1N1/2P1N3/1P1k1p2/3Pb3/1pK4n/6Q1/1B2R3

#2

9 + 7

SOLUTION

  • SOUND
  • Tries
    • 1.Sf4+?
      • 1...Kd6
        • 2.Se8#
      • 1...Sxf4!
    • 1.Sc7+?
      • 1...Kd6
        • 2.Sge8#
      • 1...Sxc7!
    • 1.Sxf5?
      • threat
        • 2.Qxe4#
      • 1...Bxg2
        • 2.Re5#
      • 1...Bf3
        • 2.Re5#
        • 2.Qxf3#
      • 1...Sf2
        • 2.Sf4#
      • 1...Sg5
        • 2.Sf4#
      • 1...Kxe6!
    • 1.Qxe4+?
      • 1...Kd6
        • 2.Sxf5#
        • 2.Se8#
        • 2.Qe5#
      • 1...fxe4!
  • Keys
    • 1.Se8!
      • 1...Kxe6
        • 2.Qg8#
      • 1...Bxg2
        • 2.Re5#
      • 1...Bf3
        • 2.Re5#
        • 2.Qxf3#
      • 1...Sg1
        • 2.Sf4#
      • 1...Sf2
        • 2.Sf4#
      • 1...Sf4
        • 2.Sxf4#
      • 1...Sg5
        • 2.Sf4#
      • 1...Sb6
        • 2.S6c7#
      • 1...Sc7
        • 2.S6xc7#
      • 1...b2
        • 2.Ba2#
      • 1...f4
        • 2.Qxe4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 10
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(H);CHECK
      • Vars
        • K(d);N_SPINB(c),P-FLIGHT::S(I)
      • Refutation
        • S(b);XS(H)
    • Try
      • S(H);CHECK
      • Vars
        • K(d);N_SPINB(c),P-FLIGHT::S(I)
      • Refutation
        • S(g);XS(H)
    • Try
      • S(I);XP(e)
      • Threat
        • QAB1(C),XB(c)
      • Vars
        • B(c);N_SPINB(c),OGATE,XQ(C)::R1(B)
        • S(b);N_GUARD::S(H)
      • Refutation
        • K(d);S_FLIGHT,XS(H)
    • Try
      • Q(C);CHECK,XB(c)
      • Refutation
        • P(e);XQ(C)
  • Actual
    • S(I);
    • Vars
      • K(d);OGATEB,S_FLIGHT,XS(H)::QAB(C)
      • B(c);N_SPINB(c),OGATE,XQ(C)::R1(B)
      • S(b);N_GUARD::S(H)
      • S(b);N_GUARD::S(H),XS(b)
      • S(g);N_GUARD::S(H)
      • S(g);N_GUARD::S(H),XS(g)
      • P(a);OGATEB::B(A)
      • P(e);N_GUARD::QAB1(C),XB(c)
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