MESON Chess Problem Database

Problem Display
PID: 176363 (3B4/3n4/3N4/R2P3R/P2k3P/3P4/3Q3K/3n4 w - - 0 1)

Haring, Jacobus

Schlotterbeck, Benno

Schach-Echo, 1973

3B4/3n4/3N4/R2P3R/P2k3P/3P4/3Q3K/3n4

#2

10 + 3

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Sc5
      • 2.Sb5#
      • 2.Bf6#
    • 1...Se5
      • 2.Sf5#
      • 2.Bb6#
    • 1...Sb6
      • 2.Bxb6#
      • 2.Bf6#
    • 1...Sf6
      • 2.Bb6#
      • 2.Bxf6#
    • 1...Sb8
      • 2.Bb6#
      • 2.Bf6#
    • 1...Sf8
      • 2.Bb6#
      • 2.Bf6#
  • Tries
    • 1.Bb6+?
      • 1...Sc5
        • 2.Sb5#
        • 2.Bxc5#
      • 1...Sxb6!
    • 1.Bf6+?
      • 1...Se5
        • 2.Sf5#
        • 2.Bxe5#
      • 1...Sxf6!
    • 1.Bc7?
      • threat
        • 2.Sf5#
      • 1...Sc5
        • 2.Sb5#
      • 1...Se3!
    • 1.Be7?
      • threat
        • 2.Sb5#
      • 1...Se5
        • 2.Sf5#
      • 1...Sc3!
  • Keys
    • 1.Bg5!
      • 1...Ke5
        • 2.Qf4#
      • 1...Sc5
        • 2.Bf6#
      • 1...Sb2
        • 2.Be3#
      • 1...Sf2
        • 2.Be3#
      • 1...Sc3
        • 2.Be3#
        • 2.Qe3#
      • 1...Se3
        • 2.Bxe3#
      • 1...Se5
        • 2.Sf5#
      • 1...Sb6
        • 2.Bf6#
      • 1...Sf6
        • 2.Bxf6#
      • 1...Sb8
        • 2.Bf6#
      • 1...Sf8
        • 2.Bf6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 10
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(J);CHECK
      • Refutation
        • S(c);XB(J)
    • Try
      • B(J);CHECK
      • Refutation
        • S(c);XB(J)
    • Try
      • B(J);
      • Threat
        • S(I)
      • Vars
        • S(c);SBLOCK::S(I)
      • Refutation
        • S(a);
    • Try
      • B(J);
      • Threat
        • S(I)
      • Vars
        • S(c);SBLOCK::S(I)
      • Refutation
        • S(a);
  • Actual
    • B(J);
    • Vars
      • K(b);S_FLIGHT::QAB1(A)
      • S(c);N_GUARD::B(J)
      • S(a);N_GUARD::B(J)
      • S(a);N_GUARD::B(J),XS(a)
      • S(c);SBLOCK::S(I)
      • S(c);N_GUARD::B(J),XS(c)
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