MESON Chess Problem Database

Problem Display
PID: 247945 (3r4/4Qp2/2Npb2B/1R2nP2/r3kPp1/1R2N3/2P3K1/1B6 w - - 0 1)

Mammadov, Mahir

1st Comm., Uralski Problemist, 2006

3r4/4Qp2/2Npb2B/1R2nP2/r3kPp1/1R2N3/2P3K1/1B6

#2

11 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Bd5
      • 2.c4#
    • 1...Bxf5
      • 2.c4#
    • 1...Bd7
      • 2.c4#
    • 1...Bc8
      • 2.c4#
    • 1...Sf3
      • 2.c4#
    • 1...Sg6
      • 2.c4#
    • 1...Sd7
      • 2.c4#
  • Keys
    • 1.Sf1!
      • threat
        • 2.Sg3#
      • 1...Kxf5
        • 2.c4#
      • 1...Bxb3
        • 2.cxb3#
      • 1...Sxc6
        • 2.c3#
      • 1...Sd3
        • 2.cxd3#
      • 1...g3
        • 2.Sxg3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 7
  • Sets
    • B(f);P_SPINS(d)::B(A)+P(B)
    • B(f);P_SPINS(d),XP(H)::B(A)+P(B)
    • S(d);N_GUARD,P_SPINB(f)::B(A)+P(B)
  • Actual
    • S(E);
    • Threat
      • S(E)
    • Vars
      • K(b);P_SPINS(d),S_FLIGHT,XP(H)::B(A)+P(B)
      • B(f);OGATE,P_SPINS(d),XR(D)::B(A)+P(B),XB(f)
      • S(d);N_GUARD,P_SPINB(f),XS(I)::B(A)+P(B)
      • S(d);OGATE,P_SPINB(f)::P(B),XS(d)
      • P(c);::S(E),XP(c)
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