MESON Chess Problem Database

Problem Display
PID: 180675 (b7/1N3R2/p1k1n3/3R4/2n5/8/6Q1/5B1K w - - 0 1)

Greenwood, William M

British Chess Magazine, 1910

b7/1N3R2/p1k1n3/3R4/2n5/8/6Q1/5B1K

#2

6 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Sb2
      • 2.Rb5#
      • 2.Rd6#
    • 1...Sd2
      • 2.Rd6#
    • 1...Sa3
      • 2.Rb5#
      • 2.Rd6#
    • 1...Se3
      • 2.Rd6#
    • 1...Sa5
      • 2.Rb5#
      • 2.Rd6#
    • 1...Se5
      • 2.Rd6#
    • 1...Sb6
      • 2.Sa5#
      • 2.Rc5#
      • 2.Rd6#
    • 1...Sd6
      • 2.Rxd6#
  • Keys
    • 1.Qb2!
      • 1...Kxd5
        • 2.Bg2#
      • 1...Bxb7
        • 2.Qxb7#
      • 1...Sxb2
        • 2.Rd6#
      • 1...Sd2
        • 2.Rd6#
      • 1...Sa3
        • 2.Rd6#
      • 1...Se3
        • 2.Rd6#
      • 1...Sa5
        • 2.Rd6#
      • 1...Se5
        • 2.Rd6#
      • 1...Sb6
        • 2.Rd6#
      • 1...Sd6
        • 2.Rxd6#
      • 1...Sd4
        • 2.Rc5#
      • 1...Sf4
        • 2.Rc5#
      • 1...Sc5
        • 2.Rxc5#
      • 1...Sg5
        • 2.Rc5#
      • 1...Sc7
        • 2.Rc5#
      • 1...Sg7
        • 2.Rc5#
      • 1...Sd8
        • 2.Rc5#
      • 1...Sf8
        • 2.Rc5#
      • 1...a5
        • 2.Qb5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 15
    • REMOVED MATES = 0
  • Sets
    • S(a);::QAB(C)+R(D),DCHECK
    • S(a);::QAB(C)+R(D),DCHECK,XS(a)
  • Actual
    • Q(C);
    • Vars
      • K(c);OGATEB,S_FLIGHT,XR(D)::B(A)
      • B(e);OGATE,XS(E)::QAB1(C),XB(e)
      • S(a);N_GUARD,XQ(C)::R1(D)
      • S(a);N_GUARD::R1(D)
      • S(a);N_GUARD::R1(D),XS(a)
      • S(d);N_GUARD::R1(D)
      • S(d);N_GUARD::R1(D),XS(d)
      • P(b);N_GUARD::QAB1(C)
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