MESON Chess Problem Database

Problem Display
PID: 54771 (8/q3r3/p1b3BP/Pp1p3R/3kPBRp/1Q1P3r/2p4P/2K5 w - - 0 1)

Kopaev, Viacheslav Georgievich

Comm., Tidskrift for Schack, 1998

8/q3r3/p1b3BP/Pp1p3R/3kPBRp/1Q1P3r/2p4P/2K5

#2

11 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Kc5
      • 2.Qc3#
    • 1...Rxd3
      • 2.Qb4#
    • 1...Bd7
      • 2.Rxd5#
    • 1...Be8
      • 2.Rxd5#
  • Tries
    • 1.Bd2?
      • threat
        • 2.Qc3#
      • 1...Kc5
        • 2.Qb4#
      • 1...Rxd3
        • 2.Qb4#
      • 1...Qc5
        • 2.e5#
      • 1...b4!
    • 1.Qxd5+?
      • 1...Kc3
        • 2.Bd2#
      • 1...Bxd5!
    • 1.Qb2+?
      • 1...Kc5
        • 2.Qc3#
      • 1...Kxd3!
  • Keys
    • 1.e5!
      • threat
        • 2.Qb4#
      • 1...Kc5
        • 2.Qc3#
      • 1...Qc5
        • 2.Bd2#
      • 1...b4
        • 2.Qxb4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 3
  • Sets
    • K(c);P_SPINP(f),S_FLIGHT::QAR2(C)
    • R(b);SBLOCK,XP(D)::QAR2(C)
    • B(h);N_GUARD::R1(I),XP(f)
  • Tries
    • Try
      • B(F);
      • Threat
        • QAB1(C)
      • Vars
        • K(c);P_SPINP(f),S_FLIGHT::QAB1(C)
        • R(b);SBLOCK,XP(D)::QAR2(C)
        • Q(i);SBLOCK::R(G)+P(E)
      • Refutation
        • P(e);
    • Try
      • Q(C);CHECK,XP(f)
      • Vars
        • K(c);S_FLIGHT::B(F)
      • Refutation
        • B(h);XQ(C)
    • Try
      • Q(C);CHECK
      • Vars
        • K(c);P_SPINP(f),S_FLIGHT::QAR2(C)
      • Refutation
        • K(c);P-FLIGHT,XP(D)
  • Actual
    • P(E);
    • Threat
      • QAR2(C)
    • Vars
      • K(c);S_FLIGHT::QAR2(C)
      • Q(i);SBLOCK::R(G)+B(F)
      • P(e);::QAR2(C),XP(e)
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