MESON Chess Problem Database

Problem Display
PID: 137309 (6b1/8/1p3p2/B7/Brk4K/1N6/P1pQPn2/b7 w - - 0 1)

Tate, Henry

Australasian Chess Magazine, 1920

6b1/8/1p3p2/B7/Brk4K/1N6/P1pQPn2/b7

#2

7 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Bd4
      • 2.Qxd4#
    • 1...Bd5
      • 2.Qxb4#
    • 1...Sd1
      • 2.Qd3#
    • 1...Sh1
      • 2.Qd3#
    • 1...Sd3
      • 2.Qxd3#
    • 1...Sh3
      • 2.Qd3#
    • 1...Se4
      • 2.Qd3#
    • 1...Sg4
      • 2.Qd3#
  • Keys
    • 1.Qd6!
      • threat
        • 2.Qc6#
      • 1...Kc3+
        • 2.Qd4#
      • 1...Rxb3
        • 2.axb3#
      • 1...Rb5
        • 2.Sd2#
      • 1...Bd4
        • 2.Qxd4#
      • 1...Bd5
        • 2.Qxb4#
      • 1...Sd3
        • 2.Qxd3#
      • 1...Se4
        • 2.Qd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 4
  • Sets
    • B(a);N_GUARD::QAR1(B),XB(a)
    • B(h);SBLOCK::QAR1(B),XR(d)
    • S(c);N_GUARD::QAB1(B)
    • S(c);N_GUARD::QAB1(B),XS(c)
  • Actual
    • Q(B);
    • Threat
      • QAR2(B)
    • Vars
      • K(e);CHECK,P-FLIGHT,P_SPINR(d)::QAB1(B)
      • R(d);OGATE,XS(D)::P(A),XR(d)
      • R(d);::S(D)
      • B(a);N_GUARD::QAR1(B),XB(a)
      • B(h);SBLOCK::QAR1(B),XR(d)
      • S(c);N_GUARD::QAB1(B),XS(c)
      • S(c);N_GUARD::QAB1(B)
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