MESON Chess Problem Database

Problem Display
PID: 218826 (8/qp6/B2RKb1B/8/N1n1p3/4r3/P1kP2NQ/R7 w - - 0 1)

Millins, James Lever

British Chess Magazine, 1923

8/qp6/B2RKb1B/8/N1n1p3/4r3/P1kP2NQ/R7

#2

10 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Re1
      • 2.Sxe1#
    • 1...Ra3
      • 2.Se1#
    • 1...Rb3
      • 2.Se1#
    • 1...Rc3
      • 2.Se1#
    • 1...Rd3
      • 2.Se1#
    • 1...Rf3
      • 2.Se1#
    • 1...Rg3
      • 2.Se1#
    • 1...Rh3
      • 2.Se1#
    • 1...Sb6
      • 2.Sxe3#
  • Tries
    • 1.Sxe3+?
      • 1...Sxe3
        • 2.dxe3#
      • 1...Qxe3!
  • Keys
    • 1.d4!
      • threat
        • 2.Se1#
      • 1...exd4 ep+
        • 2.Sxe3#
      • 1...Kd2
        • 2.Se1#
      • 1...Kd3
        • 2.Sf4#
      • 1...Re1
        • 2.Sxe1#
      • 1...Sd2
        • 2.Sxe3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 8
  • Sets
    • R(b);N_GUARD::S(D),XR(b)
    • R(b);N_GUARD::S(D)
    • S(c);N_GUARD,S_CUTQ(f)::S(D),XR(b)
  • Tries
    • Try
      • S(D);CHECK,XR(b)
      • Vars
        • S(c);OGATE,XS(D)::QAR(E)+P(C),XS(c)
      • Refutation
        • Q(f);XS(D)
  • Actual
    • P(C);
    • Threat
      • QAR(E)+S(D),DCHECK
    • Vars
      • P(d);CHECK,EP,XP(C)::QAR(E)+S(D),DCHECK,XR(b)
      • K(a);P-FLIGHT,P_SPINR(b)::QAR(E)+S(D)
      • K(a);P_SPINS(c),S_FLIGHT::S(D)
      • R(b);::QAR(E)+S(D),DCHECK,XR(b)
      • S(c);::S(D),XR(b)
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Developed and maintained by Brian Stephenson.
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