MESON Chess Problem Database

Problem Display
PID: 96692 (b1Q4K/3n1p2/4p3/n2kP3/Bb2N1N1/1pp1PP2/8/8 w - - 0 1)

Satanovsky, Mikhail S

US Problem Bulletin, 1992

b1Q4K/3n1p2/4p3/n2kP3/Bb2N1N1/1pp1PP2/8/8

#2

8 + 9

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Ba3
      • 2.Sxc3#
    • 1...Bd6
      • 2.Sxc3#
    • 1...Be7
      • 2.Sxc3#
    • 1...Bf8
      • 2.Sxc3#
    • 1...Sc4
      • 2.Qxa8#
    • 1...Sc6
      • 2.Bxb3#
    • 1...Sb7
      • 2.Bxb3#
      • 2.Qc6#
    • 1...Sxe5
      • 2.Sgf6#
    • 1...Sb6
      • 2.Sef6#
    • 1...Sf6
      • 2.Sexf6#
    • 1...Sb8
      • 2.Sef6#
    • 1...Sf8
      • 2.Sef6#
  • Tries
    • 1.Bxb3+?
      • 1...Sc4
        • 2.Bxc4#
        • 2.Qxc4#
        • 2.Qxa8#
      • 1...Sxb3!
    • 1.Qxd7+?
      • 1...Kc4
        • 2.Bb5#
        • 2.Qb5#
        • 2.Qd4#
      • 1...Bd6!
    • 1.Qc6+?
      • 1...Sxc6
        • 2.Bxb3#
      • 1...Bxc6!
  • Keys
    • 1.Qa6!
      • threat
        • 2.Qd3#
      • 1...Sxe5
        • 2.Sgf6#
      • 1...Bc5
        • 2.Sxc3#
      • 1...Sc4
        • 2.Qxa8#
      • 1...Sc6
        • 2.Bxb3#
      • 1...Sc5
        • 2.Sef6#

This is a version of 53194

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 8
  • Sets
    • B(c);N_GUARD::S(D),XP(b)
    • S(d);N_GUARD,SBLOCK::QAB(G),XB(i)
    • S(d);N_GUARD::B(C),XP(a)
    • S(g);N_GUARD,SBLOCK,XP(F)::S(E)
    • S(g);N_GUARD::S(D)
    • S(g);N_GUARD::S(D),XS(g)
  • Tries
    • Try
      • B(C);CHECK,XP(a)
      • Refutation
        • S(d);XB(C)
    • Try
      • Q(G);CHECK,XS(g)
      • Refutation
        • B(c);P_SPINB(c)
    • Try
      • Q(G);CHECK
      • Vars
        • S(d);SBLOCK,XQ(G)::B(C),XP(a)
      • Refutation
        • B(i);XQ(G)
  • Actual
    • Q(G);
    • Threat
      • QAR2(G)
    • Vars
      • S(g);N_GUARD,SBLOCK,XP(F)::S(E)
      • B(c);N_GUARD,SBLOCK::S(D),XP(b)
      • S(d);N_GUARD,SBLOCK::QAB(G),XB(i)
      • S(d);N_GUARD::B(C),XP(a)
      • S(g);N_GUARD,SBLOCK::S(D)
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