MESON Chess Problem Database

Problem Display
PID: 7632 (8/8/k5K1/5R2/4n3/1R6/8/6bQ w - - 0 1)

von Alvensleben, Wichard Udo Reinhard

Landeszeitung fur die Luneburger Heide, 1992

8/8/k5K1/5R2/4n3/1R6/8/6bQ

#2

4 + 3

2838 Fun with Chess Miniatures 1996

SOLUTION

  • SOUND
  • Sets
    • 1...Ka7
      • 2.Ra5#
    • 1...Bf2
      • 2.Qa1#
    • 1...Bh2
      • 2.Qa1#
    • 1...Be3
      • 2.Qa1#
    • 1...Ba7
      • 2.Qa1#
      • 2.Qf1#
    • 1...Sd2
      • 2.Qb7#
    • 1...Sf2
      • 2.Qb7#
      • 2.Qa8#
    • 1...Sc3
      • 2.Qb7#
    • 1...Sg3
      • 2.Qb7#
    • 1...Sc5
      • 2.Qa8#
    • 1...Sg5
      • 2.Qb7#
    • 1...Sf6
      • 2.Qb7#
  • Tries
    • 1.Qxe4?
      • threat
        • 2.Qb7#
        • 2.Qa4#
      • 1...Ka7
        • 2.Ra5#
        • 2.Qb7#
        • 2.Qa4#
      • 1...Bc5
        • 2.Qa4#
      • 1...Bd4
        • 2.Qb7#
      • 1...Bb6!
    • 1.Qxg1?
      • threat
        • 2.Qb6#
        • 2.Qa1#
      • 1...Sf2
        • 2.Qa1#
      • 1...Sc3
        • 2.Qb6#
      • 1...Sc5!
  • Keys
    • 1.Rf2!
      • threat
        • 2.Ra2#
      • 1...Ka5
        • 2.Ra2#
      • 1...Ka7
        • 2.Ra2#
      • 1...Bxf2
        • 2.Qa1#
      • 1...Sxf2
        • 2.Qa8#
      • 1...Sd2
        • 2.Qa8#
      • 1...Sc3
        • 2.Qa8#
      • 1...Sc5
        • 2.Qa8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 3
    • ADDED MATES = 2
    • REMOVED MATES = 5
  • Sets
    • K(c);P-FLIGHT::R(C)
    • B(a);OGATE::QAR(A)
    • S(b);OGATE::QAB1(A)
    • S(b);OGATE::QAR2(A)
  • Tries
    • Try
      • Q(A);XS(b)
      • Threat
        • DUALS(2)
      • Vars
        • B(a);::QAR2(A)
        • B(a);::QAB1(A)
      • Refutation
        • B(a);
    • Try
      • Q(A);XB(a)
      • Threat
        • DUALS(2)
      • Vars
        • S(b);::QAR(A)
        • S(b);::QAR1(A)
      • Refutation
        • S(b);
  • Actual
    • R(C);
    • Threat
      • R(C)
    • Vars
      • K(c);P-FLIGHT::R(C)
      • B(a);OGATE,XR(C)::QAR(A)
      • S(b);OGATE,XR(C)::QAR2(A)
      • S(b);OGATE::QAR2(A)
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