MESON Chess Problem Database

Problem Display
PID: 50526 (2N5/p7/PpPB1p2/1p1k1p2/PQ2b1NR/3p3B/3P2p1/2R3K1 w - - 0 1)

Slesarenko, Anatoly Vasilevich

6th HM., Sachove umeni (Ceskoslovensky sach), 1987

2N5/p7/PpPB1p2/1p1k1p2/PQ2b1NR/3p3B/3P2p1/2R3K1

#2

12 + 9

3335 Cyclone 2000

SOLUTION

  • SOUND
  • Sets
    • 1...bxa4
      • 2.Qc4#
    • 1...f4
      • 2.Sxf6#
  • Tries
    • 1.Sf2?
      • 1...bxa4
        • 2.Qc4#
      • 1...Bf3
        • 2.Qb3#
      • 1...f4
        • 2.Se7#
        • 2.Qxe4#
      • 1...Ke6!
    • 1.Sh2?
      • 1...bxa4
        • 2.Qc4#
      • 1...Bf3
        • 2.Qb3#
      • 1...f4
        • 2.Se7#
      • 1...Ke6!
    • 1.Re1?
      • 1...Kxc6
        • 2.Qxb5#
      • 1...Ke6
        • 2.Qb3#
      • 1...fxg4
        • 2.Qxe4#
      • 1...Bf3
        • 2.Se7#
      • 1...f4
        • 2.Qxe4#
      • 1...bxa4!
    • 1.Qxb5+?
      • 1...Kd4
        • 2.Rc4#
        • 2.Qc4#
      • 1...Ke6!
  • Keys
    • 1.Sh6!
      • 1...Ke6
        • 2.Qxe4#
      • 1...bxa4
        • 2.Qc4#
      • 1...Bf3
        • 2.Qb3#
      • 1...f4
        • 2.Se7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • P(d);N_GUARD,XP(E)::QAB1(F)
    • P(f);::S(G),XP(h)
  • Tries
    • Try
      • S(G);
      • Vars
        • P(d);N_GUARD,XP(E)::QAB1(F)
        • B(c);::QAB(F)
      • Refutation
        • K(e);P_SPINP(f),S_FLIGHT
    • Try
      • S(G);
      • Vars
        • P(d);N_GUARD,XP(E)::QAB1(F)
        • B(c);::QAB(F)
        • P(f);::S(L)
      • Refutation
        • K(e);P_SPINP(f),S_FLIGHT
    • Try
      • R(A);
      • Vars
        • K(e);S_FLIGHT,XP(J)::QAB1(F),XP(d)
        • K(e);P_SPINB(c),S_FLIGHT::QAB(F)
        • P(f);N_GUARD,XS(G)::QAB1(F),XB(c)
        • B(c);::S(L)
        • P(f);N_GUARD::QAB1(F),XB(c)
      • Refutation
        • P(d);XP(E)
    • Try
      • Q(F);CHECK,XP(d)
      • Refutation
        • K(e);S_FLIGHT
  • Actual
    • S(G);
    • Vars
      • K(e);P_SPINP(f),S_FLIGHT::QAR2(F),XB(c)
      • P(d);N_GUARD,XP(E)::QAB1(F)
      • B(c);::QAB(F)
      • P(f);::S(L)
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