MESON Chess Problem Database

Problem Display
PID: 225075 (b3R1BB/8/3p1p2/2pN2p1/n2knNR1/1r4p1/4PbK1/2Q5 w - - 0 1)

Tuxen, Harri Viggo

HM., Magasinet, 1931

b3R1BB/8/3p1p2/2pN2p1/n2knNR1/1r4p1/4PbK1/2Q5

#2

9 + 11

2048 Tuxens skakopgaver (Leif C Schmidt) 1984

SOLUTION

  • SOUND
  • Sets
    • 1...Sd2
      • 2.Bxf6#
  • Tries
    • 1.Sd3?
      • threat
        • 2.Bxf6#
        • 2.Rgxe4#
        • 2.Rexe4#
      • 1...Bxd5
        • 2.Bxf6#
      • 1...Rc3
        • 2.Rgxe4#
        • 2.Rexe4#
      • 1...Sc3!
    • 1.Qd1+?
      • 1...Rd3
        • 2.Qxd3#
      • 1...Sd2
        • 2.Sh3#
        • 2.Sh5#
        • 2.Sg6#
      • 1...Kc4!
  • Keys
    • 1.Sxf6!
      • threat
        • 2.Sxe4#
      • 1...Sd2+
        • 2.S6d5#
      • 1...Sec3+
        • 2.Se4#
      • 1...Sxf6+
        • 2.Sd5#
      • 1...Rb7
        • 2.Rxe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • S(f);N_GUARD,P_PINS(F)::B(I),XP(j)
  • Tries
    • Try
      • S(D);P_PINS(f)
      • Threat
        • DUALS(3)
      • Vars
        • B(k);XS(F)::B(I),XP(j)
      • Refutation
        • S(d);
    • Try
      • Q(A);CHECK
      • Vars
        • R(b);N_GUARD,P_SPINR(b)::QAR1(A),XR(b)
      • Refutation
        • K(e);N_SPINP(j),P-FLIGHT
  • Actual
    • S(F);XP(j)
    • Threat
      • B(I)+S(F),XS(f)
    • Vars
      • S(f);CHECK,N_GUARD::B(I)+S(F)
      • S(f);CHECK::B(I)+S(F)
      • S(f);CHECK,P_SPINS(f),XS(F)::R(E)+S(D)
      • R(b);S_CUTB(k)::R1(G),XS(f)
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