MESON Chess Problem Database

Problem Display
PID: 21292 (B3r3/1q5p/8/6R1/1r1nk3/8/4P1NN/1b1Q3K w - - 0 1)

Tuxen, Harri Viggo

1st Prize, Deutsche Schachzeitung, 1918

B3r3/1q5p/8/6R1/1r1nk3/8/4P1NN/1b1Q3K

#2

7 + 7

756 Norsk Sjakkblad 1919
3360 Simple Two-move Themes 1924
5501 Chess Cameos 1936
3174 The Two-move Chess Problem Tradition and Development 1966
23 Die Schwalbe 1969
5395 Schach fur Nussknacker 1994
56 The Problemist 2006

SOLUTION

  • SOUND
  • Sets
    • 1...Qd5
      • 2.Bxd5#
    • 1...Ba2
      • 2.Qd3#
    • 1...Bd3
      • 2.Qxd3#
      • 2.exd3#
    • 1...Sc2
      • 2.Qd3#
    • 1...Sf3
      • 2.exf3#
    • 1...Sb5
      • 2.Bxb7#
    • 1...Sc6
      • 2.Qd5#
  • Tries
    • 1.Bxb7+?
      • 1...Sc6
        • 2.Bxc6#
        • 2.Qd5#
      • 1...Rxb7!
  • Keys
    • 1.Sf3!
      • threat
        • 2.Sd2#
      • 1...Sxe2
        • 2.Qxe2#
      • 1...Sxf3
        • 2.exf3#
      • 1...Re5
        • 2.Rxe5#
      • 1...Rb2
        • 2.Qxd4#
      • 1...Sc2
        • 2.Qd3#
      • 1...Sb3
        • 2.Qxb1#
      • 1...Sb5
        • 2.Bxb7#
      • 1...Sf5
        • 2.Rg4#
      • 1...Sc6
        • 2.Qd5#
      • 1...Se6
        • 2.Re5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 2
  • Sets
    • Q(e);OGATE::B(G),XQ(e)
    • B(a);N_GUARD::QAB1(A)
    • S(c);S_CUTB(a)::QAB1(A)
    • S(c);OGATE::P(C),XS(c)
    • S(c);N_GUARD,S_CUTR(b)::B(G),XQ(e)
    • S(c);N_SPINQ(e),OGATE::QAB1(A)
  • Tries
    • Try
      • B(G);CHECK,XQ(e)
      • Refutation
        • R(b);XB(G)
  • Actual
    • S(E);
    • Threat
      • S(E)
    • Vars
      • S(c);OGATE,XP(C)::QAR2(A),XS(c)
      • S(c);OGATE,XS(E)::P(C),XS(c)
      • R(g);N_GUARD::R1(F),XR(g)
      • R(b);N_GUARD::QAR1(A),XS(c)
      • S(c);S_CUTB(a)::QAB1(A)
      • S(c);N_GUARD,S_CUTR(b)::QAB(A),XB(a)
      • S(c);N_GUARD,S_CUTR(b)::B(G),XQ(e)
      • S(c);SBLOCK::R(F)
      • S(c);N_SPINQ(e),OGATE::QAB1(A)
      • S(c);S_CUTR(g)::R1(F)
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