MESON Chess Problem Database

Problem Display
PID: 160146 (8/8/1p6/2p1p1B1/3pN1R1/3kpn2/BK4R1/6nQ w - - 0 1)

Zuger, Beat

Tages-Anzeiger, 1999

8/8/1p6/2p1p1B1/3pN1R1/3kpn2/BK4R1/6nQ

#2

7 + 8

15527 schachkunst (1997-2010) (Hoffmann) 2016

SOLUTION

  • SOUND
  • Sets
    • 1...Se2
      • 2.Qb1#
    • 1...Sh3
      • 2.Qb1#
    • 1...e2
      • 2.Sf2#
    • 1...c4
      • 2.Bb1#
    • 1...b5
      • 2.Sxc5#
  • Tries
    • 1.Rc2?
      • threat
        • 2.Bc4#
      • 1...c4
        • 2.Bxc4#
      • 1...b5
        • 2.Sxc5#
      • 1...Sd2!
    • 1.Qh7?
      • threat
        • 2.Sxc5#
      • 1...c4
        • 2.Sc5#
        • 2.Bb1#
      • 1...Se2!
  • Keys
    • 1.R4g3!
      • 1...Kxe4
        • 2.Qh7#
      • 1...Sxg5
        • 2.Rd2#
      • 1...Se1
        • 2.Rd2#
      • 1...Se2
        • 2.Qb1#
      • 1...Sh3
        • 2.Qb1#
      • 1...Sd2
        • 2.Rxd2#
      • 1...Sh2
        • 2.Rd2#
      • 1...Sh4
        • 2.Rd2#
      • 1...e2
        • 2.Sf2#
      • 1...c4
        • 2.Bb1#
      • 1...b5
        • 2.Sxc5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • S(a);OGATE::QAB(A)
    • P(c);N_GUARD,SBLOCK::S(E)
    • P(f);SBLOCK::B(B)
    • P(h);N_GUARD::S(E),XP(f)
  • Tries
    • Try
      • R(D);
      • Threat
        • B(B)
      • Vars
        • P(f);::B(B),XP(f)
        • P(h);N_GUARD::S(E),XP(f)
      • Refutation
        • S(d);
    • Try
      • Q(A);
      • Threat
        • QAB(A)+S(E),DCHECK,XP(f)
      • Refutation
        • S(a);
  • Actual
    • R(F);
    • Vars
      • K(b);OGATEB,S_FLIGHT,XS(E)::QAB(A)
      • S(d);N_GUARD,P_SPINP(c),XB(G)::R1(D)
      • S(d);N_GUARD,P_SPINP(c)::R1(D)
      • S(a);OGATE::QAB(A)
      • S(d);N_GUARD,P_SPINP(c)::R1(D),XS(d)
      • P(c);N_GUARD,P_SPINS(d),SBLOCK::S(E)
      • P(f);SBLOCK::B(B)
      • P(h);N_GUARD::S(E),XP(f)
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