MESON Chess Problem Database

Problem Display
PID: 23858 (3N2K1/2pN4/2Pp1P2/1n1k2p1/3n4/p2Q4/qpR1R1b1/8 w - - 0 1)

Shire, David J

Suomen Shakki, 1997

3N2K1/2pN4/2Pp1P2/1n1k2p1/3n4/p2Q4/qpR1R1b1/8

#2

8 + 10

4849 The Sushkov Theme 1999
3256 David Shire Selected Chess Problems 2001

SOLUTION

  • SOUND
  • Sets
    • 1...Qb1
      • 2.Qc4#
    • 1...Qc4
      • 2.Qxc4#
    • 1...Qa1
      • 2.Qc4#
    • 1...Bf1
      • 2.Qe4#
    • 1...Bh3
      • 2.Qe4#
    • 1...Be4
      • 2.Qxe4#
  • Tries
    • 1.f7?
      • threat
        • 2.Sf6#
      • 1...Qc4
        • 2.Qxc4#
      • 1...Be4
        • 2.Qxe4#
      • 1...Sc3!
  • Keys
    • 1.Red2!
      • threat
        • 2.Qf5#
      • 1...Bh3
        • 2.Qf3#
      • 1...Be4
        • 2.Qxb5#
      • 1...Sc3
        • 2.Qxd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 1
    • REMOVED MATES = 4
  • Sets
    • Q(a);N_GUARD::QAB1(C)
    • Q(a);N_GUARD::QAB1(C),XQ(a)
    • B(c);N_GUARD::QAB1(C)
    • B(c);N_GUARD::QAB1(C),XB(c)
  • Tries
    • Try
      • P(E);
      • Threat
        • S(F)
      • Vars
        • Q(a);N_GUARD::QAB1(C),XQ(a)
        • B(c);N_GUARD::QAB1(C),XB(c)
      • Refutation
        • S(f);
  • Actual
    • R(B);
    • Threat
      • QAR2(C)
    • Vars
      • B(c);N_GUARD::QAB(C)
      • B(c);SBLOCK::QAR2(C),XS(f)
      • S(f);N_GUARD::QAR1(C),XS(e)
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