MESON Chess Problem Database

Problem Display
PID: 226801 (1K5B/3p1b1p/1p5r/3k1P2/2R1Nn1R/N5Q1/6rb/6nB w - - 0 1)

Kummer, Konrad

Die Linth, 1985

1K5B/3p1b1p/1p5r/3k1P2/2R1Nn1R/N5Q1/6rb/6nB

#2

9 + 10

16895 Schweizer Schachkompositionen (1976-1986) (Henneberger) 1985

SOLUTION

  • SOUND
  • Sets
    • 1...Rc6
      • 2.Rd4#
    • 1...Rd6
      • 2.Sc3#
    • 1...Sd3
      • 2.Sc3#
    • 1...Sh3
      • 2.Sc3#
    • 1...Sh5
      • 2.Sc3#
    • 1...Se6
      • 2.Sc3#
    • 1...Sg6
      • 2.Sc3#
      • 2.Sf6#
    • 1...d6
      • 2.Sc3#
  • Tries
    • 1.Rc5+?
      • 1...Kxe4
        • 2.Rxf4#
      • 1...bxc5!
  • Keys
    • 1.Qb3!
      • threat
        • 2.Qb5#
      • 1...Rg8+
        • 2.Rc8#
      • 1...Sfe2+
        • 2.Rc7#
      • 1...Sd3+
        • 2.Rc7#
      • 1...Sfh3+
        • 2.Rc7#
      • 1...Sh5+
        • 2.Rc7#
      • 1...Se6+
        • 2.Rc7#
      • 1...Sg6+
        • 2.Rc7#
      • 1...Rb2
        • 2.Rc5#
      • 1...Rc6
        • 2.Rd4#
      • 1...b5
        • 2.Qxb5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 4
    • ADDED MATES = 5
    • REMOVED MATES = 2
  • Sets
    • R(g);SBLOCK::R1(D)
    • R(g);SBLOCK::S(E)
    • S(d);P_PINQ(C)::S(E)
    • P(h);SBLOCK::S(E)
  • Tries
    • Try
      • R(D);CHECK
      • Vars
        • K(e);P_SPINR(b),P_SPINS(d),S_FLIGHT,XS(E)::R1(F),XS(d)
      • Refutation
        • P(f);XR(D)
  • Actual
    • Q(C);
    • Threat
      • QAR2(C)
    • Vars
      • R(b);CHECK::QAB(C)+R(D)
      • S(d);CHECK::QAB(C)+R(D)
      • R(b);::QAB(C)+R(D),DCHECK
      • R(g);SBLOCK::QAB(C)+R(D),DCHECK
      • P(f);::QAR2(C),XP(f)
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