MESON Chess Problem Database

Problem Display
PID: 251856 (1B3n2/rnQp4/pK2Np1r/1p1k2b1/6Pp/2P5/2P1BN2/4R2b w - - 0 1)

Conry, H

Manchester Weekly Times, 1889

(First published on Sat Oct 19 1889)

1B3n2/rnQp4/pK2Np1r/1p1k2b1/6Pp/2P5/2P1BN2/4R2b

#2

10 + 12

15239 Valois Notebooks 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kxe6
      • 2.Bc4#
    • 1...Bf3
      • 2.Bxf3#
    • 1...Bf4
      • 2.Sxf4#
    • 1...Sa5
      • 2.Qd6#
    • 1...Sc5
      • 2.Qd6#
    • 1...Sd6
      • 2.Qxd6#
    • 1...Sd8
      • 2.Qd6#
    • 1...b4
      • 2.Bc4#
      • 2.Qc4#
    • 1...f5
      • 2.Qe5#
    • 1...dxe6
      • 2.Qc6#
  • Tries
    • 1.Rd1+?
      • 1...Bd2
        • 2.Sf4#
      • 1...Kxe6!
    • 1.Qh2?
      • threat
        • 2.Sc7#
      • 1...Kxe6
        • 2.Bc4#
      • 1...Sxe6
        • 2.Qxh1#
      • 1...dxe6
        • 2.Qxh1#
      • 1...Bf4
        • 2.Sxf4#
      • 1...Sa5
        • 2.Qd6#
      • 1...Sc5
        • 2.Qd6#
      • 1...Sd6
        • 2.Qxd6#
      • 1...Sd8
        • 2.Qd6#
      • 1...f5
        • 2.Qe5#
      • 1...Be3+!
    • 1.Qc5+?
      • 1...Kxe6
        • 2.Bc4#
      • 1...Sxc5!
    • 1.Qxb7+?
      • 1...Kxe6
        • 2.Bc4#
      • 1...Rxb7+!
    • 1.Qxd7+?
      • 1...Sd6
        • 2.Qxd6#
      • 1...Sxd7+!
    • 1.c4+?
      • 1...bxc4
        • 2.Bxc4#
        • 2.Qxc4#
      • 1...Kxe6!
  • Keys
    • 1.Qf4!
      • threat
        • 2.Sc7#
        • 2.Qf5#
      • 1...Kxe6
        • 2.Bc4#
      • 1...Bxf4
        • 2.Sxf4#
      • 1...Sxe6
        • 2.Qf5#
      • 1...dxe6
        • 2.Rd1#
        • 2.Qd4#
      • 1...Be4
        • 2.Sc7#
        • 2.Qxe4#
      • 1...Sa5
        • 2.Qd6#
        • 2.Qf5#
      • 1...Sc5
        • 2.Qd6#
        • 2.Qf5#
      • 1...Sd6
        • 2.Qxd6#
      • 1...Sd8
        • 2.Qd6#
        • 2.Qf5#
      • 1...Sg6
        • 2.Sc7#
      • 1...f5
        • 2.Qe5#
        • 2.Qxf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 6
  • Sets
    • K(d);S_FLIGHT,XS(H)::R(A)+B(C),DCHECK
    • B(a);N_GUARD::B(C),XB(a)
    • B(e);N_GUARD::S(H),XB(e)
    • S(j);N_GUARD::QAR1(I)
    • S(j);N_GUARD::QAR1(I),XS(j)
    • P(g);N_GUARD,P_PINS(H)::QAR1(I)
    • P(k);N_GUARD,XS(H)::QAB1(I)
  • Tries
    • Try
      • R(A);CHECK
      • Vars
        • B(e);P_SPINB(e)::S(H)
      • Refutation
        • K(d);S_FLIGHT,XS(H)
    • Try
      • Q(I);
      • Threat
        • S(H)
      • Vars
        • K(d);N_GUARD,S_FLIGHT,XS(H)::R(A)+B(C),DCHECK
        • S(l);SBLOCK,XS(H)::QAB(I),XB(a)
        • P(k);SBLOCK,XS(H)::QAB(I),XB(a)
        • B(e);N_GUARD::S(H),XB(e)
        • S(j);N_GUARD::QAR1(I)
        • S(j);N_GUARD::QAR1(I),XS(j)
        • P(g);N_GUARD,P_PINS(H)::QAR1(I)
      • Refutation
        • B(e);CHECK
    • Try
      • Q(I);CHECK
      • Vars
        • K(d);S_FLIGHT,XS(H)::R(A)+B(C),DCHECK
      • Refutation
        • S(j);XQ(I)
    • Try
      • Q(I);CHECK,XS(j)
      • Vars
        • K(d);N_GUARD,S_FLIGHT,XS(H)::R(A)+B(C),DCHECK
      • Refutation
        • R(i);CHECK,XQ(I)
    • Try
      • Q(I);CHECK,XP(k)
      • Vars
        • S(j);N_GUARD,P_SPINS(j)::QAR1(I),XS(j)
      • Refutation
        • S(l);CHECK,XQ(I)
    • Try
      • P(E);CHECK
      • Refutation
        • K(d);S_FLIGHT,XS(H)
  • Actual
    • Q(I);
    • Threat
      • DUALS(2)
    • Vars
      • K(d);S_FLIGHT,XS(H)::R(A)+B(C),DCHECK
      • B(e);XQ(I)::S(H),XB(e)
      • S(l);XS(H)::QAR2(I)
      • S(j);N_GUARD::QAR1(I),XS(j)
      • S(l);::S(H)
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