MESON Chess Problem Database

Problem Display
PID: 133231 (2r4n/4B2K/N2P4/1P1kNBp1/P2bRp2/Q2n1P1p/2bR4/6q1 w - - 0 1)

Stolev, Nikola

9th Place, Liga Problemista, 2005/1

2r4n/4B2K/N2P4/1P1kNBp1/P2bRp2/Q2n1P1p/2bR4/6q1

#2

12 + 10

14475 Mat Plus Review 2007

SOLUTION

  • SOUND
  • Sets
    • 1...Rc7
      • 2.Sxc7#
    • 1...Ra8
      • 2.Sc7#
    • 1...Rb8
      • 2.Sc7#
    • 1...Rd8
      • 2.Sc7#
    • 1...Re8
      • 2.Sc7#
    • 1...Rf8
      • 2.Sc7#
    • 1...Rg8
      • 2.Sc7#
    • 1...Sf2
      • 2.Rdxd4#
    • 1...Sc5
      • 2.Sb4#
  • Tries
    • 1.Sxd3?
      • threat
        • 2.Be6#
      • 1...Kc4
        • 2.Be6#
      • 1...Be5
        • 2.Sdb4#
        • 2.Sxf4#
        • 2.Sab4#
      • 1...Qg4!
    • 1.Sd7?
      • threat
        • 2.Be6#
      • 1...Kc4
        • 2.Sb6#
        • 2.Be6#
      • 1...Be5
        • 2.Sb4#
      • 1...Sc5
        • 2.Sb6#
      • 1...Se5
        • 2.Sb6#
      • 1...Qg4!
    • 1.Qa2+?
      • 1...Rc4
        • 2.Qxc4#
      • 1...Bb3!
    • 1.Qb3+?
      • 1...Rc4
        • 2.Qxc4#
      • 1...Bxb3!
  • Keys
    • 1.Sc6!
      • threat
        • 2.Be6#
      • 1...Kc4
        • 2.Be6#
      • 1...Qg4
        • 2.Rxd4#
      • 1...Be5
        • 2.Scb4#
      • 1...Sc5
        • 2.Qxc5#
      • 1...Se5
        • 2.Qc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 4
    • REMOVED MATES = 8
  • Sets
    • R(i);N_GUARD,P_PINB(K)::S(I),XR(i)
    • R(i);N_GUARD::S(I)
    • S(c);OGATE,P_SPINB(e)::R1(A),XB(e)
    • S(c);N_GUARD,P_SPINB(e),SBLOCK::S(I)
  • Tries
    • Try
      • S(G);XS(c)
      • Threat
        • B(H)
      • Vars
        • K(g);P_SPINB(e),S_FLIGHT::B(H)
      • Refutation
        • Q(a);
    • Try
      • S(G);
      • Threat
        • B(H)
      • Vars
        • B(e);P_SPINS(c)::S(I)
        • S(c);P_SPINB(e)::S(G)
      • Refutation
        • Q(a);
    • Try
      • Q(B);CHECK
      • Vars
        • R(i);N_GUARD,P_SPINR(i)::QAB1(B),XR(i)
      • Refutation
        • B(b);P_SPINB(b)
    • Try
      • Q(B);CHECK
      • Vars
        • R(i);N_GUARD,P_SPINR(i)::QAB1(B),XR(i)
      • Refutation
        • B(b);XQ(B)
  • Actual
    • S(G);
    • Threat
      • B(H)
    • Vars
      • K(g);P_SPINB(e),S_FLIGHT::B(H)
      • Q(a);N_GUARD::R1(E),XB(e)
      • B(e);P_SPINS(c)::S(G)
      • S(c);N_GUARD,P_SPINB(e)::QAR1(B),XS(c)
      • S(c);N_GUARD,P_SPINB(e)::QAR1(B)
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