MESON Chess Problem Database

Problem Display
PID: 50090 (8/1Kb2Q2/6R1/1R1n1q1r/1p1N1kN1/2P2P2/3r1P2/1nB5 w - - 0 1)

Makaronets, Leonid

Skakbladet, 2003

8/1Kb2Q2/6R1/1R1n1q1r/1p1N1kN1/2P2P2/3r1P2/1nB5

#2

10 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Rh1
      • 2.Qxf5#
    • 1...Rh2
      • 2.Qxf5#
    • 1...Rh3
      • 2.Qxf5#
    • 1...Rh4
      • 2.Qxf5#
    • 1...Rh6
      • 2.Qxf5#
    • 1...Rh7
      • 2.Qxf5#
    • 1...Rh8
      • 2.Qxf5#
  • Tries
    • 1.Bxd2+?
      • 1...Se3
        • 2.Bxe3#
      • 1...Sxd2!
  • Keys
    • 1.Se5!
      • threat
        • 2.Sd3#
      • 1...Kxe5
        • 2.Qxc7#
      • 1...Bxe5
        • 2.Rg4#
      • 1...Se3
        • 2.Se6#
      • 1...Sf6
        • 2.Se2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 7
  • Sets
    • R(g);N_GUARD::QAR1(J),XQ(f)
  • Tries
    • Try
      • B(A);CHECK,XR(b)
      • Vars
        • S(e);N_GUARD,P_SPINS(e)::B(A),XS(e)
      • Refutation
        • S(a);XB(A)
  • Actual
    • S(F);
    • Threat
      • S(F)
    • Vars
      • K(d);N_SPINQ(f),N_SPINR(b),OGATEB,P_SPINS(e),S_FLIGHT,XS(F)::QAB(J),XB(h)
      • B(h);SBLOCK,XS(F)::R1(H)
      • S(e);N_SPINR(b)::S(E)
      • S(e);N_SPINQ(f)::S(E)
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