MESON Chess Problem Database

Problem Display
PID: 51892 (3Q4/8/4br2/2Npp3/1Kpk4/3N2p1/3P2nB/1B6 w - - 0 1)

Kosovac, Adi

StrateGems, 2004

3Q4/8/4br2/2Npp3/1Kpk4/3N2p1/3P2nB/1B6

#2

7 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Sf4
      • 2.Bg1#
    • 1...e4
      • 2.Qxf6#
  • Tries
    • 1.Sc1?
      • threat
        • 2.Se2#
      • 1...e4
        • 2.Qxf6#
      • 1...Rf2
        • 2.Sxe6#
      • 1...Sf4
        • 2.Bg1#
      • 1...Bg4!
    • 1.Sxe6+?
      • 1...Ke4
        • 2.Se1#
      • 1...Rxe6!
    • 1.Bg1+?
      • 1...Se3
        • 2.Bxe3#
        • 2.dxe3#
      • 1...Rf2!
  • Keys
    • 1.Sf4!
      • threat
        • 2.Se2#
      • 1...Rxf4
        • 2.Sxe6#
      • 1...Sxf4
        • 2.Bg1#
      • 1...exf4
        • 2.Qxf6#
      • 1...e4
        • 2.Qxf6#
      • 1...Bg4
        • 2.Qxd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • S(a);N_GUARD,S_CUTR(h)::B(C)
    • P(f);OGATEB::QAB(G),XR(h)
  • Tries
    • Try
      • S(D);
      • Threat
        • S(D)
      • Vars
        • P(f);OGATEB::QAB(G),XR(h)
        • R(h);N_GUARD::S(F),XB(g)
        • S(a);N_GUARD,S_CUTR(h)::B(C)
      • Refutation
        • B(g);
    • Try
      • S(F);CHECK,XB(g)
      • Vars
        • K(d);N_SPINP(e),P-FLIGHT::B(A)+S(D)
      • Refutation
        • R(h);XS(F)
    • Try
      • B(C);CHECK
      • Refutation
        • R(h);P_SPINR(h)
  • Actual
    • S(D);
    • Threat
      • S(D)
    • Vars
      • R(h);N_GUARD,XS(D)::S(F),XB(g)
      • S(a);N_GUARD,XS(D)::B(C)
      • P(f);OGATEB,XS(D)::QAB(G),XR(h)
      • P(f);OGATEB::QAB(G),XR(h)
      • B(g);N_GUARD::QAR1(G),XP(e)
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