MESON Chess Problem Database

Problem Display
PID: 133710 (4b2B/2p1RPnK/1pP1p1R1/1qPkP1N1/1P1nN3/1P1P3p/6Bb/Q7 w - - 0 1)

Schaffner, Gerold

Die Schwalbe, 2008

4b2B/2p1RPnK/1pP1p1R1/1qPkP1N1/1P1nN3/1P1P3p/6Bb/Q7

#2

15 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Kxc6
      • 2.Qa8#
    • 1...Bxe5
      • 2.Sc3#
      • 2.Sf6#
    • 1...Sc2
      • 2.Sf6#
    • 1...Se2
      • 2.Sf6#
    • 1...Sxb3
      • 2.Sf6#
    • 1...Sdf5
      • 2.Sf6#
    • 1...Sxc6
      • 2.Sf6#
    • 1...Sgf5
      • 2.Sc3#
    • 1...Sh5
      • 2.Sc3#
  • Tries
    • 1.Rexe6?
      • threat
        • 2.Sc3#
        • 2.Sf6#
      • 1...Sxb3
        • 2.Sf6#
      • 1...Sxc6
        • 2.Sf6#
      • 1...Sdxe6
        • 2.Sf6#
      • 1...Sgxe6
        • 2.Sc3#
      • 1...Sc2
        • 2.Sf6#
      • 1...Se2
        • 2.Sf6#
      • 1...Sf3
        • 2.Sf6#
      • 1...Sdf5
        • 2.Sf6#
      • 1...Qxb4!
  • Keys
    • 1.Sxe6!
      • threat
        • 2.Sxc7#
      • 1...Kxe5
        • 2.Rg5#
      • 1...Kxc6
        • 2.Qa8#
      • 1...Qxc6
        • 2.Qxd4#
      • 1...Bxe5
        • 2.Sc3#
        • 2.Sf6#
      • 1...Sdxe6
        • 2.Sf6#
      • 1...Sgxe6
        • 2.Sc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 7
  • Sets
    • K(e);OGATEB,P_SPINP(g),S_FLIGHT,XP(J)::QAB(A)
    • S(c);::B(B)+S(F),DCHECK
    • S(c);XP(C)::B(B)+S(F),DCHECK
    • S(c);SBLOCK,XP(J)::B(B)+S(F),DCHECK
    • S(i);::B(B)+S(F),DCHECK
  • Tries
    • Try
      • R(L);XP(g)
      • Threat
        • DUALS(2)
      • Vars
        • S(c);XP(C)::B(B)+S(F),DCHECK
        • S(c);XP(J)::B(B)+S(F),DCHECK
        • S(c);XR(L)::B(B)+S(F),DCHECK
        • S(i);XR(L)::B(B)+S(F),DCHECK
        • S(c);::B(B)+S(F),DCHECK
        • S(c);::S(F)
      • Refutation
        • Q(d);XP(E)
  • Actual
    • S(I);XP(g)
    • Threat
      • S(I),XP(h)
    • Vars
      • K(e);OGATEB,P-FLIGHT,P_SPINS(c),XP(H)::R(K)
      • K(e);OGATEB,S_FLIGHT,XP(J)::QAB(A)
      • Q(d);SBLOCK,XP(J)::QAR1(A),XS(c)
      • S(c);XS(I)::B(B)+S(F),DCHECK
      • S(i);XS(I)::B(B)+S(F),DCHECK
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