MESON Chess Problem Database

Problem Display
PID: 11001 (8/7Q/6B1/3P2B1/8/n1P5/N3P3/3kbK2 w - - 0 1)

Kish, Alexander

American Chess Bulletin, 1936

8/7Q/6B1/3P2B1/8/n1P5/N3P3/3kbK2

#2

8 + 3

5088 How to Solve Chess Problems 1945
5063 Spectacular Chess Problems 1965

SOLUTION

  • SOUND
  • Sets
    • 1...Bxc3
      • 2.Sxc3#
    • 1...Sb1
      • 2.Bc2#
    • 1...Sc2
      • 2.Bxc2#
    • 1...Sc4
      • 2.Bc2#
    • 1...Sb5
      • 2.Bc2#
  • Tries
    • 1.Bb1?
      • 1...Bxc3
        • 2.Sxc3#
      • 1...Sxb1
        • 2.Qxb1#
      • 1...Bf2
        • 2.Qd3#
      • 1...Bg3
        • 2.Qd3#
      • 1...Bh4
        • 2.Qd3#
      • 1...Sc2
        • 2.Bxc2#
        • 2.Qxc2#
      • 1...Sc4
        • 2.Bc2#
        • 2.Qc2#
      • 1...Sb5
        • 2.Bc2#
        • 2.Qc2#
      • 1...Bd2!
  • Keys
    • 1.Bh5!
      • 1...Bxc3
        • 2.Sxc3#
      • 1...Bd2
        • 2.e3#
      • 1...Bf2
        • 2.Qd3#
      • 1...Bg3
        • 2.Qd3#
      • 1...Bh4
        • 2.Qd3#
      • 1...Sb1
        • 2.Qxb1#
      • 1...Sc2
        • 2.e4#
      • 1...Sc4
        • 2.Qb1#
      • 1...Sb5
        • 2.Qb1#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 4
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • B(b);XP(D)::S(B),XB(b)
    • S(c);N_GUARD::B(G)
    • S(c);N_GUARD::B(G),XS(c)
  • Tries
    • Try
      • B(G);
      • Vars
        • B(b);XP(D)::S(B),XB(b)
        • S(c);OGATE,XB(G)::QAR2(H),XS(c)
        • B(b);N_GUARD::QAR2(H)
      • Refutation
        • B(b);
  • Actual
    • B(G);
    • Vars
      • B(b);XP(D)::S(B),XB(b)
      • B(b);SBLOCK::B(G)+P(C)
      • B(b);N_GUARD::QAR2(H)
      • S(c);N_GUARD::QAR2(H),XS(c)
      • S(c);SBLOCK::B(G)+P(C)
      • S(c);N_GUARD::QAR2(H)
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