MESON Chess Problem Database

Problem Display
PID: 135495 (2B2q2/1p1r2n1/r6R/2PNk1N1/2P4B/4PbP1/2QP1Rp1/b5K1 w - - 0 1)

Ancin, Andrej

Revista Romana de Sah, 1935

2B2q2/1p1r2n1/r6R/2PNk1N1/2P4B/4PbP1/2QP1Rp1/b5K1

#2

13 + 9

14649 Andrej Ancin - Chess Compositions 2008

SOLUTION

  • SOUND
  • Sets
    • 1...Qxc5
      • 2.Sxf3#
    • 1...Qd6
      • 2.Sxf3#
    • 1...Qe7
      • 2.Sxf3#
    • 1...Qf4
      • 2.gxf4#
    • 1...Qxc8
      • 2.Sxf3#
    • 1...Qd8
      • 2.Sxf3#
    • 1...Qe8
      • 2.Sxf3#
    • 1...Qg8
      • 2.Sxf3#
    • 1...Qh8
      • 2.Sxf3#
    • 1...Bd1
      • 2.Qe4#
    • 1...Be2
      • 2.Qe4#
    • 1...Be4
      • 2.Qxe4#
    • 1...Bg4
      • 2.Qe4#
    • 1...Bh5
      • 2.Qe4#
    • 1...Sf5
      • 2.Sxf3#
  • Tries
    • 1.Rxf3?
      • threat
        • 2.Qe4#
      • 1...Qxf3
        • 2.Sxf3#
      • 1...Qf4
        • 2.gxf4#
      • 1...Qf5!
  • Keys
    • 1.Sf4!
      • threat
        • 2.Sxf3#
      • 1...Qxf4
        • 2.gxf4#
      • 1...Be4
        • 2.Qxe4#
      • 1...Rd3
        • 2.Sxd3#
      • 1...Bd1
        • 2.Qe4#
      • 1...Be2
        • 2.Qe4#
      • 1...Bg4
        • 2.Qe4#
      • 1...Bd5
        • 2.Sd3#
      • 1...Bh5
        • 2.Qe4#
      • 1...Bc6
        • 2.Sg6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 9
  • Sets
    • Q(i);N_GUARD,XP(I)::S(K),XB(c)
    • Q(i);N_GUARD::S(K),XB(c)
    • Q(i);OGATE::P(F),XQ(i)
    • Q(i);N_GUARD,XB(M)::S(K),XB(c)
    • B(c);N_GUARD::QAR1(B)
    • B(c);N_GUARD::QAR1(B),XB(c)
    • S(h);S_CUTQ(i)::S(K),XB(c)
  • Tries
    • Try
      • R(D);XB(c)
      • Threat
        • QAR1(B)
      • Vars
        • Q(i);XR(D)::S(K),XQ(i)
        • Q(i);OGATE::P(F),XQ(i)
      • Refutation
        • Q(i);
  • Actual
    • S(J);
    • Threat
      • S(K),XB(c)
    • Vars
      • Q(i);OGATE,XS(J)::P(F),XQ(i)
      • B(c);N_GUARD::QAR1(B),XB(c)
      • R(g);N_GUARD::S(J),XR(g)
      • B(c);N_GUARD::QAR1(B)
      • B(c);S_CUTR(g)::S(J)
      • B(c);S_CUTR(e)::S(J)
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