MESON Chess Problem Database

Problem Display
PID: 22395 (7N/1p2p2Q/pBPp4/K2k4/2p3B1/2p5/2P4p/3N4 w - - 0 1)

Barry, Henry William

Norwich Mercury, 0000

7N/1p2p2Q/pBPp4/K2k4/2p3B1/2p5/2P4p/3N4

#2

8 + 8

2794 Terms & Themes of Chess Problems 1907

SOLUTION

  • SOUND
  • Sets
    • 1...Ke5
      • 2.Qf5#
  • Tries
    • 1.Sxc3+?
      • 1...Ke5
        • 2.Qf5#
      • 1...Kxc6!
    • 1.Se3+?
      • 1...Ke5
        • 2.Qf5#
      • 1...Kxc6!
    • 1.Qd3+?
      • 1...Ke5
        • 2.Qf5#
        • 2.Qd4#
      • 1...Kxc6
        • 2.Qxc4#
      • 1...cxd3!
    • 1.Qf5+?
      • 1...e5
        • 2.Bf3#
      • 1...Kxc6!
    • 1.Qf7+?
      • 1...Ke4
        • 2.Qf5#
      • 1...Ke5
        • 2.Qf5#
      • 1...Kxc6
        • 2.Qxc4#
      • 1...e6!
  • Keys
    • 1.Sg6!
      • 1...Ke4
        • 2.Sxc3#
      • 1...Kxc6
        • 2.Sxe7#
      • 1...bxc6
        • 2.Sxc3#
      • 1...h1Q
        • 2.Qxh1#
      • 1...h1S
        • 2.Qxh1#
      • 1...h1B
        • 2.Qxh1#
      • 1...h1R
        • 2.Qxh1#
      • 1...e5
        • 2.Se7#
      • 1...e6
        • 2.Bf3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 1
  • Sets
    • K(d);P-FLIGHT::QAR1(G)
  • Tries
    • Try
      • S(A);CHECK,XP(b)
      • Vars
        • K(d);P-FLIGHT::QAR1(G)
      • Refutation
        • K(d);S_FLIGHT,XP(F)
    • Try
      • S(A);CHECK
      • Vars
        • K(d);P-FLIGHT::QAR1(G)
      • Refutation
        • K(d);S_FLIGHT,XP(F)
    • Try
      • Q(G);CHECK
      • Vars
        • K(d);S_FLIGHT,XP(F)::QAR2(G),XP(c)
      • Refutation
        • P(c);XQ(G)
    • Try
      • Q(G);CHECK
      • Vars
        • P(h);P_SPINP(h)::B(C)
      • Refutation
        • K(d);S_FLIGHT,XP(F)
    • Try
      • Q(G);CHECK
      • Vars
        • K(d);S_FLIGHT::QAB1(G)
        • K(d);P-FLIGHT::QAR1(G)
        • K(d);OGATE,S_FLIGHT,XP(F)::QAR2(G),XP(c)
      • Refutation
        • P(h);P_SPINP(h)
  • Actual
    • S(H);
    • Vars
      • K(d);S_FLIGHT::S(A),XP(b)
      • K(d);S_FLIGHT,XP(F)::S(H),XP(h)
      • P(g);SBLOCK,XP(F)::S(A),XP(b)
      • P(a);OGATE::QAB(G),XQ(a)
      • P(a);OGATE::QAB(G),XS(a)
      • P(a);OGATE::QAB(G),XB(a)
      • P(a);OGATE::QAB(G),XR(a)
      • P(h);SBLOCK::S(H)
      • P(h);SBLOCK::B(C)
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