MESON Chess Problem Database

Problem Display
PID: 248697 (Q7/3p1K2/3p4/3n1P2/2Rnk3/1P5B/4PP1B/7N w - - 0 1)

Sarkits, Anatoly L

Uralski Problemist, 2007

Q7/3p1K2/3p4/3n1P2/2Rnk3/1P5B/4PP1B/7N

#2

10 + 5

SOLUTION

  • SOUND
  • Tries
    • 1.Qa1?
      • threat
        • 2.Rxd4#
        • 2.Qxd4#
        • 2.Qb1#
      • 1...Se3
        • 2.Rxd4#
        • 2.Qxd4#
      • 1...Sb4
        • 2.Rxd4#
        • 2.Qxd4#
      • 1...Sf4
        • 2.Qxd4#
      • 1...Sb6
        • 2.Rxd4#
        • 2.Qxd4#
      • 1...Sf6
        • 2.Rxd4#
        • 2.Qxd4#
      • 1...Sc7
        • 2.Rxd4#
        • 2.Qxd4#
      • 1...Se7
        • 2.Rxd4#
        • 2.Qxd4#
      • 1...Sc3!
    • 1.Qa7?
      • threat
        • 2.Rxd4#
        • 2.Qxd4#
      • 1...Sf4
        • 2.Qxd4#
      • 1...Sb6!
  • Keys
    • 1.Qa5!
      • 1...Sc3
        • 2.Bg2#
      • 1...Se3
        • 2.f3#
      • 1...Sb4
        • 2.Bg2#
      • 1...Sf4
        • 2.Sg3#
      • 1...Sb6
        • 2.Bg2#
      • 1...Sf6
        • 2.Bg2#
      • 1...Sc7
        • 2.Bg2#
      • 1...Se7
        • 2.Bg2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(J);
      • Threat
        • DUALS(3)
      • Vars
        • S(c);::QAR1(J),XS(a)
      • Refutation
        • S(c);
    • Try
      • Q(J);
      • Threat
        • DUALS(2)
      • Vars
        • S(c);::QAR1(J),XS(a)
      • Refutation
        • S(c);
  • Actual
    • Q(J);
    • Vars
      • S(c);::B(F)
      • S(c);SBLOCK::P(C)
      • S(c);SBLOCK::S(A)
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