MESON Chess Problem Database

Problem Display
PID: 63524 (3N4/8/7K/2PNk2n/6p1/3Q4/1b1B4/8 w - - 0 1)

Wright Wood, S (= Wood, SW)

Chess Amateur (The), 1909

3N4/8/7K/2PNk2n/6p1/3Q4/1b1B4/8

#2

6 + 4

SOLUTION

  • SOUND
  • Sets
    • 1...Ba3
      • 2.Bc3#
    • 1...Bc3
      • 2.Bxc3#
    • 1...Sg3
      • 2.Bf4#
    • 1...Sf4
      • 2.Bxf4#
    • 1...Sf6
      • 2.Bf4#
    • 1...Sg7
      • 2.Bf4#
  • Tries
    • 1.Kxh5?
      • threat
        • 2.Bf4#
      • 1...Bc1
        • 2.Bc3#
      • 1...Bd4!
    • 1.Qe3+?
      • 1...Kf5
        • 2.Qe6#
      • 1...Kxd5!
  • Keys
    • 1.Se3!
      • threat
        • 2.Sxg4#
      • 1...Kf4
        • 2.Sc4#
      • 1...Kf6
        • 2.Qd6#
      • 1...Bd4
        • 2.Qf5#
      • 1...Sf6
        • 2.Sc4#
      • 1...g3
        • 2.Sg4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 4
    • REMOVED MATES = 5
  • Sets
    • B(a);N_GUARD::B(A)
    • B(a);N_GUARD::B(A),XB(a)
    • S(d);N_GUARD::B(A)
    • S(d);N_GUARD::B(A),XS(d)
  • Tries
    • Try
      • K(E);P-FLIGHT,XS(d)
      • Threat
        • B(A)
      • Vars
        • B(a);N_GUARD::B(A)
      • Refutation
        • B(a);
    • Try
      • Q(B);CHECK
      • Vars
        • K(c);OGATE,P-FLIGHT::QAB1(B)
      • Refutation
        • K(c);P-FLIGHT,XS(D)
  • Actual
    • S(D);
    • Threat
      • S(D),XP(b)
    • Vars
      • K(c);S_FLIGHT::B(A)+S(D)
      • K(c);S_FLIGHT::QAR2(B)
      • B(a);SBLOCK::QAR1(B)
      • S(d);SBLOCK::S(D)
      • P(b);::S(D)
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