MESON Chess Problem Database

Problem Display
PID: 151407 (K2n4/p7/B6r/1NRNnP1Q/4k2p/3pPpp1/8/4q3 w - - 0 1)

Ahues, Herbert Siegfried Oskar

Die Schwalbe, 1942

K2n4/p7/B6r/1NRNnP1Q/4k2p/3pPpp1/8/4q3

#2

8 + 10

15148 Sadier Collection 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Qf2
      • 2.Sbc3#
    • 1...Qc3
      • 2.Sbxc3#
    • 1...Qb1
      • 2.Sbc3#
    • 1...Qd1
      • 2.Sbc3#
    • 1...Qf1
      • 2.Sbc3#
    • 1...Qg1
      • 2.Sbc3#
    • 1...Qh1
      • 2.Sbc3#
    • 1...Qe2
      • 2.Sbc3#
    • 1...Rxh5
      • 2.Sd6#
    • 1...Rd6
      • 2.Sxd6#
    • 1...Rh7
      • 2.Sd6#
    • 1...Rh8
      • 2.Sd6#
    • 1...Se6
      • 2.Sd6#
    • 1...d2
      • 2.Sbc3#
  • Keys
    • 1.Qg5!
      • threat
        • 2.Qf4#
      • 1...Qxe3
        • 2.Sdc3#
      • 1...Sg6
        • 2.Sf6#
      • 1...d2
        • 2.Sbc3#
      • 1...Se6
        • 2.Sd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 12
  • Sets
    • Q(a);N_GUARD::S(B)
    • Q(a);N_GUARD::S(B),XQ(a)
    • R(h);N_GUARD,XQ(F)::S(B)
    • R(h);N_GUARD::S(B),XR(h)
    • R(h);N_GUARD::S(B)
    • S(j);S_CUTR(h)::S(B)
    • P(b);S_CUTQ(a)::S(B)
  • Actual
    • Q(F);
    • Threat
      • QAR1(F)
    • Vars
      • Q(a);N_GUARD,XP(A)::S(D)
      • S(g);S_CUTR(h)::S(D)
      • P(b);S_CUTQ(a)::S(B)
      • S(j);S_CUTR(h)::S(B)
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Developed and maintained by Brian Stephenson.
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