MESON Chess Problem Database

Problem Display
PID: 95680 (7Q/3N4/N4Bp1/2p3r1/p1P5/pk3PbR/b2R1p2/5B1K w - - 0 1)

Paizis, Constantinos

L'Italia Scacchistica, 2000

7Q/3N4/N4Bp1/2p3r1/p1P5/pk3PbR/b2R1p2/5B1K

#2

10 + 9

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rg4
      • 2.Sdxc5#
    • 1...Bh4
      • 2.Qb8#
    • 1...Bb8
      • 2.Qxb8#
  • Tries
    • 1.Saxc5+?
      • 1...Kb4
        • 2.Bc3#
      • 1...Rxc5!
    • 1.Bb2?
      • threat
        • 2.Qc3#
      • 1...axb2
        • 2.Qxb2#
      • 1...Re5
        • 2.Qb8#
      • 1...Be5
        • 2.Sdxc5#
      • 1...Bb1!
    • 1.Bxg5?
      • threat
        • 2.Sdxc5#
      • 1...Bd6
        • 2.f4#
      • 1...Be5!
  • Keys
    • 1.Ba1!
      • threat
        • 2.Qc3#
      • 1...Re5
        • 2.Qb8#
      • 1...Be5
        • 2.Sdxc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 3
  • Sets
    • R(h);N_GUARD::S(I),XP(g)
    • B(e);N_GUARD::QAR(J)
    • B(e);N_GUARD::QAR(J),XB(e)
  • Tries
    • Try
      • S(G);CHECK,XP(g)
      • Vars
        • K(d);P-FLIGHT::B(H)
      • Refutation
        • R(h);XS(G)
    • Try
      • B(H);
      • Threat
        • QAR1(J)
      • Vars
        • P(c);OGATE,XB(H)::QAR1(J),XP(c)
        • R(h);S_CUTB(e)::QAR(J)
        • B(e);S_CUTR(h)::S(I),XP(g)
      • Refutation
        • B(a);
    • Try
      • B(H);XR(h)
      • Threat
        • S(I),XP(g)
      • Vars
        • B(e);::R(E)+P(D)
      • Refutation
        • B(e);
  • Actual
    • B(H);
    • Threat
      • QAR1(J)
    • Vars
      • R(h);S_CUTB(e)::QAR(J)
      • B(e);S_CUTR(h)::S(I),XP(g)
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