MESON Chess Problem Database

Problem Display
PID: 80669 (1b2n3/1B1pKp2/6P1/1RP1k1PR/3pP2B/7N/3rN3/7n w - - 0 1)

Aliovsadzade, Rauf Gadzhiaga ogli

1st Prize, StrateGems-10 JT, 2008

1b2n3/1B1pKp2/6P1/1RP1k1PR/3pP2B/7N/3rN3/7n

#2

11 + 8

145 StrateGems 2008
15148 Sadier Collection 2016

SOLUTION

  • SOUND
  • Sets
    • 1...Bd6+
      • 2.cxd6#
    • 1...Sf2
      • 2.Bg3#
    • 1...Sg3
      • 2.Bxg3#
    • 1...Sd6
      • 2.cxd6#
    • 1...Sf6
      • 2.gxf6#
    • 1...d5
      • 2.cxd5 ep#
    • 1...d6
      • 2.cxd6#
    • 1...f5
      • 2.gxf5 ep#
    • 1...f6
      • 2.gxf6#
  • Tries
    • 1.gxf7?
      • threat
        • 2.g6#
      • 1...Bd6+
        • 2.cxd6#
      • 1...d5
        • 2.cxd5 ep#
      • 1...Sg3
        • 2.Bxg3#
      • 1...Sd6
        • 2.cxd6#
      • 1...Sf6
        • 2.gxf6#
      • 1...Sg7!
  • Keys
    • 1.Sf2!
      • threat
        • 2.Sg4#
      • 1...Bd6+
        • 2.cxd6#
      • 1...Rxe2
        • 2.Sd3#
      • 1...Sxf2
        • 2.Bg3#
      • 1...Sf6
        • 2.gxf6#
      • 1...d5
        • 2.cxd5 ep#
      • 1...f5
        • 2.gxf5 ep#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 4
  • Sets
    • B(g);CHECK,OGATE::R(E)+P(F),XB(g)
    • S(a);N_GUARD::B(D)
    • S(a);N_GUARD::B(D),XS(a)
    • S(h);OGATE::R(E)+P(F),XS(h)
    • S(h);OGATE::R(H)+P(G),XS(h)
    • P(e);OGATE::R(E)+P(F),XP(e),EP
    • P(e);OGATE::R(E)+P(F),XP(e)
    • P(f);OGATE::R(H)+P(G),XP(f),EP
    • P(f);OGATE::R(H)+P(G),XP(f)
  • Tries
    • Try
      • P(I);XP(f)
      • Threat
        • R(H)+P(G)
      • Vars
        • B(g);CHECK,OGATE::R(E)+P(F),XB(g)
        • P(e);OGATE::R(E)+P(F),XP(e),EP
        • S(a);N_GUARD::B(D),XS(a)
        • S(h);OGATE::R(E)+P(F),XS(h)
        • S(h);OGATE::R(H)+P(G),XS(h)
      • Refutation
        • S(h);
  • Actual
    • S(B);
    • Threat
      • S(B)
    • Vars
      • B(g);CHECK,OGATE::R(E)+P(F),XB(g)
      • R(b);N_GUARD,XS(A)::S(B)
      • S(a);N_GUARD,XS(B)::B(D)
      • S(h);OGATE::R(H)+P(G),XS(h)
      • P(e);OGATE::R(E)+P(F),XP(e),EP
      • P(f);OGATE::R(H)+P(G),XP(f),EP
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