MESON Chess Problem Database

Problem Display
PID: 144699 (1KN5/1pp5/1r2Qr2/3p4/B1k2b1R/nn1NP3/2P5/1b2B3 w - - 0 1)

Tuxen, Harri Viggo

1st Place, Match: Denmark - Poland, 1933

1KN5/1pp5/1r2Qr2/3p4/B1k2b1R/nn1NP3/2P5/1b2B3

#2

9 + 10

4035 Aarsskrift for DSK 1934
15422 Problemskak 2008

SOLUTION

  • SOUND
  • Sets
    • 1...Sb5
      • 2.Bxb3#
    • 1...Sc5
      • 2.Se5#
    • 1...c5+
      • 2.Se5#
    • 1...c6+
      • 2.Sd6#
  • Tries
    • 1.Rxf4+?
      • 1...Sd4
        • 2.Rxd4#
      • 1...Rxf4!
  • Keys
    • 1.Qe5!
      • threat
        • 2.Qc3#
      • 1...Sb5
        • 2.Bxb3#
      • 1...Sd2
        • 2.Qd4#
      • 1...Sd4
        • 2.Qxd4#
      • 1...d4
        • 2.Sb2#
      • 1...c5
        • 2.Sb2#
      • 1...c6
        • 2.Sxb6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • S(b);SBLOCK,S_CUTR(g)::B(E),XS(c)
    • S(c);SBLOCK::S(C)
    • P(j);CHECK,SBLOCK::S(C)
    • P(j);CHECK,N_GUARD,S_CUTR(g)::S(I)
  • Tries
    • Try
      • R(F);CHECK,XB(e)
      • Vars
        • S(c);N_GUARD,P_SPINS(c)::R1(F),XS(c)
      • Refutation
        • R(h);XR(F)
  • Actual
    • Q(G);N_PINP(f)
    • Threat
      • QAR1(G)
    • Vars
      • S(b);SBLOCK,S_CUTR(g)::B(E),XS(c)
      • S(c);N_GUARD::QAR1(G)
      • S(c);N_GUARD,N_SPINB(e)::QAR1(G),XS(c)
      • P(f);N_SPINB(e)::S(C)
      • P(j);P_PINQ(G),SBLOCK::S(C)
      • P(j);N_GUARD,P_PINQ(G),S_CUTR(h)::S(I),XR(g)
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