MESON Chess Problem Database

Problem Display
PID: 135578 (2N5/8/1n3rp1/Q2N2b1/p3k1P1/qnPRp3/4B1PB/5bK1 w - - 0 1)

Aliovsadzade, Rauf Gadzhiaga ogli

3rd Comm., SSA 023. TT, 2007

2N5/8/1n3rp1/Q2N2b1/p3k1P1/qnPRp3/4B1PB/5bK1

#2

10 + 10

145 StrateGems 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rf3
      • 2.gxf3#
    • 1...Rf4
      • 2.Rxe3#
    • 1...Bf4
      • 2.Sxf6#
    • 1...Bh4
      • 2.Rxe3#
    • 1...Bh6
      • 2.Sxf6#
    • 1...Sa1
      • 2.Rd4#
    • 1...Sc1
      • 2.Rd4#
    • 1...Sd2
      • 2.Rd4#
    • 1...Sd4
      • 2.Rxd4#
    • 1...Sxa5
      • 2.Rd4#
    • 1...Sc5
      • 2.Rd4#
    • 1...Sxd5
      • 2.Qxd5#
  • Keys
    • 1.Sb4!
      • threat
        • 2.Qe5#
      • 1...Sxa5
        • 2.Rd4#
      • 1...Rf4
        • 2.Sd6#
      • 1...Rf5
        • 2.Sd6#
      • 1...Re6
        • 2.Bf3#
      • 1...Bf4
        • 2.Bf3#
      • 1...Sc5
        • 2.Rd4#
      • 1...Sc4
        • 2.Qd5#
      • 1...Sd5
        • 2.Qxd5#
      • 1...Sd7
        • 2.Qd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 4
    • REMOVED MATES = 7
  • Sets
    • R(i);OGATE::P(C),XR(i)
    • R(i);S_CUTB(g)::R1(F),XP(d)
    • B(g);N_GUARD::S(I),XR(i)
    • B(g);N_GUARD::R1(F),XP(d)
    • S(c);N_GUARD::R1(F)
    • S(c);N_GUARD::R1(F),XS(c)
    • S(c);N_GUARD,XQ(H)::R1(F)
    • S(h);OGATE,XS(I)::QAB1(H),XS(h)
  • Actual
    • S(I);
    • Threat
      • QAR1(H)
    • Vars
      • S(c);N_GUARD,XQ(H)::R1(F)
      • R(i);N_GUARD::S(J)
      • R(i);N_GUARD::B(B)
      • B(g);S_CUTR(i)::B(B)
      • S(c);N_GUARD::R1(F)
      • S(h);N_GUARD::QAB1(H)
      • S(h);N_GUARD::QAB1(H),XS(h)
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