MESON Chess Problem Database

Problem Display
PID: 267995 (8/8/8/5p2/pQ6/P2k1p2/P4P2/Rb1BK3 w Q - 0 1)

Stepochkin, Anatoly Viktorovich

Shakhmatnaya kompozitsiya, 1995

8/8/8/5p2/pQ6/P2k1p2/P4P2/Rb1BK3

#2

7 + 5

SOLUTION

  • SOUND
  • Tries
    • 1.Bc2+?
      • 1...Kxc2
        • 2.Qd2#
      • 1...Bxc2!
    • 1.Be2+?
      • 1...Kc2
        • 2.Qd2#
      • 1...fxe2!
    • 1.Bxa4?
      • 1...Bxa2
        • 2.Rd1#
      • 1...Bc2
        • 2.Bb5#
      • 1...f4!
  • Keys
    • 1.Bxf3!
      • 1...Kc2
        • 2.Qd2#
      • 1...Bxa2
        • 2.0-0-0#
      • 1...Bc2
        • 2.Be2#
      • 1...f4
        • 2.Be4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(B);CHECK
      • Vars
        • K(b);N_GUARD,S_FLIGHT,XB(B)::QAR1(G)
      • Refutation
        • B(a);XB(B)
    • Try
      • B(B);CHECK
      • Vars
        • K(b);N_GUARD,S_FLIGHT::QAR1(G)
      • Refutation
        • P(c);XB(B)
    • Try
      • B(B);XP(d)
      • Vars
        • B(a);OGATE,XP(D)::R(A)
        • B(a);SBLOCK::B(B)
      • Refutation
        • P(e);
  • Actual
    • B(B);XP(c)
    • Vars
      • K(b);N_GUARD,S_FLIGHT::QAR1(G)
      • B(a);XP(D)::0-0-0
      • B(a);SBLOCK::B(B)
      • P(e);N_GUARD::B(B)
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