MESON Chess Problem Database

Problem Display
PID: 105409 (2R5/B4p2/8/R5NB/1p2Nk2/1r5p/Qb5K/8 w - - 0 1)

Velikoslavsky, Vladimir V

Sinfonie Scacchistiche, 1970

2R5/B4p2/8/R5NB/1p2Nk2/1r5p/Qb5K/8

#2

8 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rc3
      • 2.Qxf7#
    • 1...Bc3
      • 2.Qf2#
  • Tries
    • 1.Rc3?
      • threat
        • 2.Be3#
        • 2.Bb8#
      • 1...Rxc3
        • 2.Qxf7#
      • 1...Bxc3
        • 2.Qf2#
      • 1...Bc1
        • 2.Bb8#
        • 2.Qf2#
      • 1...bxc3!
    • 1.Qxb3?
      • threat
        • 2.Be3#
        • 2.Qe3#
        • 2.Qf3#
        • 2.Qg3#
      • 1...Be5
        • 2.Qf3#
      • 1...Bc1
        • 2.Bb8#
        • 2.Qxf7#
        • 2.Qf3#
        • 2.Qg3#
      • 1...Bd4
        • 2.Qf3#
        • 2.Qg3#
      • 1...Bc3!
  • Keys
    • 1.Sc3!
      • threat
        • 2.Se2#
        • 2.Sxh3#
        • 2.Rc4#
      • 1...Rxc3
        • 2.Qxf7#
      • 1...Bxc3
        • 2.Qf2#
      • 1...bxc3
        • 2.Rc4#
      • 1...f5
        • 2.Sxh3#
        • 2.Se6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • R(b);OGATE::QAR(A),XP(f)
    • B(a);OGATE::QAR2(A)
  • Tries
    • Try
      • R(H);
      • Threat
        • DUALS(2)
      • Vars
        • R(b);OGATE,XR(H)::QAR(A),XP(f)
        • B(a);OGATE,XR(H)::QAR2(A)
      • Refutation
        • P(d);XR(H)
    • Try
      • Q(A);XR(b)
      • Threat
        • DUALS(4)
      • Vars
        • B(a);::QAR1(A)
      • Refutation
        • B(a);
  • Actual
    • S(C);
    • Threat
      • DUALS(3)
    • Vars
      • R(b);OGATE,XS(C)::QAR(A),XP(f)
      • B(a);OGATE,XS(C)::QAR2(A)
      • P(d);XS(C)::R(H)
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