MESON Chess Problem Database

Problem Display
PID: 156880 (6K1/8/2p5/1N1k2b1/2r1p3/3N4/8/7Q w - - 0 1)

White, Alain Campbell

British Chess Magazine, 1906

6K1/8/2p5/1N1k2b1/2r1p3/3N4/8/7Q

#2

4 + 5

SOLUTION

  • SOUND
  • Keys
    • 1.Qh7!
      • threat
        • 2.Qf5#
        • 2.Qd7#
        • 2.Qf7#
      • 1...Ke6
        • 2.Qf7#
      • 1...exd3
        • 2.Qf5#
      • 1...cxb5
        • 2.Qd7#
      • 1...Rc1
        • 2.Qf7#
      • 1...Rc2
        • 2.Qf7#
      • 1...Rc3
        • 2.Qf7#
      • 1...Ra4
        • 2.Qf7#
      • 1...Rb4
        • 2.Qf7#
      • 1...Rd4
        • 2.Qf7#
      • 1...Rc5
        • 2.Qf7#
      • 1...c5
        • 2.Qd7#
      • 1...Bf4
        • 2.Qf7#
      • 1...Bf6
        • 2.Qd7#
        • 2.Qf7#
      • 1...Be7
        • 2.Qf5#
        • 2.Qf7#
      • 1...e3
        • 2.Qf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 13
    • REMOVED MATES = 0
  • Sets
  • Actual
    • Q(A);N_PINP(b)
    • Threat
      • DUALS(3)
    • Vars
      • K(c);S_FLIGHT::QAB1(A)
      • P(b);XS(B)::QAR2(A)
      • P(e);XS(C)::QAR2(A)
      • R(a);::QAB(A)
      • P(e);::QAR2(A)
      • B(d);::QAB(A)
      • P(b);::QAR2(A)
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Developed and maintained by Brian Stephenson.
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