MESON Chess Problem Database

Problem Display
PID: 158902 (3Q4/8/1K1P4/4pp2/R1N1kP2/p7/B6B/r3N3 w - - 0 1)

Greenwood, William M

British Chess Magazine, 1907

3Q4/8/1K1P4/4pp2/R1N1kP2/p7/B6B/r3N3

#2

9 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Kd5
      • 2.Se3#
  • Keys
    • 1.Bg1!
      • threat
        • 2.Sb2#
        • 2.Sd2#
        • 2.Sxa3#
        • 2.Se3#
        • 2.Sa5#
        • 2.Sxe5#
      • 1...Rb1+
        • 2.Sb2#
      • 1...Kxf4
        • 2.Qh4#
      • 1...Kd5
        • 2.Se3#
      • 1...Rxe1
        • 2.Sxe5#
      • 1...Rxa2
        • 2.Se3#
      • 1...exf4
        • 2.Qa8#
      • 1...Rc1
        • 2.Sd2#
      • 1...Rd1
        • 2.Sd2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
    • K(c);S_FLIGHT::B(B)+S(E),DCHECK
  • Actual
    • B(C);
    • Threat
      • DUALS(6)
    • Vars
      • R(a);CHECK::R(D)+S(E)
      • K(c);OGATEB,P-FLIGHT,XP(F)::QAR2(I)
      • K(c);S_FLIGHT::B(B)+S(E),DCHECK
      • R(a);XS(A)::R(D)+S(E),XP(d)
      • R(a);XB(B)::R(D)+S(E)
      • P(d);SBLOCK,XP(F)::QAB(I)
      • R(a);::R(D)+S(E),DCHECK
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