MESON Chess Problem Database

Problem Display
PID: 51192 (8/N7/4B3/n1p5/1r1k1P1K/2p2Q2/q1p5/N1b5 w - - 0 1)

Wright Wood, S (= Wood, SW)

Manchester Guardian, 1953

8/N7/4B3/n1p5/1r1k1P1K/2p2Q2/q1p5/N1b5

#2

6 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Qc4
      • 2.Sxc2#
    • 1...Qa3
      • 2.Sxc2#
    • 1...Ra4
      • 2.Sb5#
    • 1...Rc4
      • 2.Sb5#
    • 1...Rb5
      • 2.Sxb5#
    • 1...Bb2
      • 2.Sxc2#
    • 1...Sb3
      • 2.Sc6#
    • 1...Sc4
      • 2.Sc6#
    • 1...Sc6
      • 2.Sxc6#
    • 1...Sb7
      • 2.Sc6#
  • Tries
    • 1.Bf5?
      • threat
        • 2.Qe4#
        • 2.Qd3#
      • 1...Kc4
        • 2.Qe4#
        • 2.Qd3#
      • 1...Bxf4
        • 2.Qe4#
      • 1...Qc4
        • 2.Sxc2#
        • 2.Qe4#
      • 1...Qd5
        • 2.Qd3#
      • 1...Qe6
        • 2.Qd3#
      • 1...Be3
        • 2.Qe4#
      • 1...c4!
  • Keys
    • 1.Bc4!
      • threat
        • 2.Qd3#
      • 1...Kxc4
        • 2.Qe4#
      • 1...Qxc4
        • 2.Sxc2#
      • 1...Rxc4
        • 2.Sb5#
      • 1...Bxf4
        • 2.Qxf4#
      • 1...Sxc4
        • 2.Sc6#
      • 1...Be3
        • 2.Qd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 7
  • Sets
    • Q(b);N_GUARD::S(A),XP(c)
    • R(e);N_GUARD::S(F)
    • R(e);N_GUARD::S(F),XR(e)
    • B(a);S_CUTQ(b)::S(A),XP(c)
    • S(g);N_GUARD::S(F)
    • S(g);N_GUARD::S(F),XS(g)
  • Tries
    • Try
      • B(E);
      • Threat
        • DUALS(2)
      • Vars
        • B(a);XP(C)::QAR1(B)
        • Q(b);SBLOCK::QAR1(B)
        • Q(b);::QAR1(B)
        • B(a);::QAR1(B)
      • Refutation
        • P(h);
  • Actual
    • B(E);
    • Threat
      • QAR1(B)
    • Vars
      • K(f);P-FLIGHT,XB(E)::QAR2(B)
      • Q(b);N_GUARD,SBLOCK,XB(E)::S(A),XP(c)
      • R(e);N_GUARD,SBLOCK,XB(E)::S(F)
      • B(a);OGATE,XP(C)::QAR2(B),XB(a)
      • S(g);N_GUARD,SBLOCK,XB(E)::S(F)
      • B(a);SBLOCK::QAR1(B)
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