MESON Chess Problem Database

Problem Display
PID: 133232 (2q5/2p1P2B/2R5/1P1k4/r2N2N1/p2P4/K4Q2/b4n1b w - - 0 1)

Milanovic, Mihailo

10th Place, Liga Problemista, 2005/1

2q5/2p1P2B/2R5/1P1k4/r2N2N1/p2P4/K4Q2/b4n1b

#2

9 + 8

14475 Mat Plus Review 2007

SOLUTION

  • SOUND
  • Sets
    • 1...Qa6
      • 2.Bg8#
    • 1...Qb7
      • 2.Bg8#
    • 1...Qd8
      • 2.exd8Q#
      • 2.exd8R#
    • 1...Qg8
      • 2.Bxg8#
    • 1...Rc4
      • 2.dxc4#
    • 1...Be4
      • 2.Bxe4#
      • 2.dxe4#
  • Tries
    • 1.Se6?
      • threat
        • 2.Qc5#
      • 1...Rd4
        • 2.Qf5#
      • 1...Rc4
        • 2.dxc4#
      • 1...Bd4
        • 2.Sf4#
      • 1...Se3!
    • 1.Bg8+?
      • 1...Qe6
        • 2.Bxe6#
      • 1...Qxg8!
    • 1.Qf5+?
      • 1...Kxd4
        • 2.Qc5#
        • 2.Qe5#
      • 1...Qxf5!
  • Keys
    • 1.Sf3!
      • threat
        • 2.Qc5#
      • 1...Rd4
        • 2.Sf6#
      • 1...Rc4
        • 2.dxc4#
      • 1...Bd4
        • 2.Be4#
      • 1...Se3
        • 2.Sxe3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 3
  • Sets
    • Q(h);N_GUARD::B(I)
    • Q(h);OGATE::PXQ(h)=Q
    • Q(h);N_GUARD::B(I),XQ(h)
    • R(e);OGATE::P(C),XR(e)
  • Tries
    • Try
      • S(D);
      • Threat
        • QAR1(B)
      • Vars
        • R(e);S_CUTB(a)::QAR2(B)
        • R(e);OGATE::P(C),XR(e)
        • B(a);S_CUTR(e)::S(D)
      • Refutation
        • S(b);
    • Try
      • B(I);CHECK
      • Vars
        • Q(h);N_GUARD,P_SPINQ(h)::B(I),XQ(h)
      • Refutation
        • Q(h);XB(I)
    • Try
      • Q(B);CHECK
      • Refutation
        • Q(h);XQ(B)
  • Actual
    • S(D);
    • Threat
      • QAR1(B)
    • Vars
      • R(e);S_CUTB(a)::S(E)
      • R(e);OGATE::P(C),XR(e)
      • B(a);S_CUTR(e)::B(I)
      • S(b);N_GUARD::S(E),XS(b)
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