MESON Chess Problem Database

Problem Display
PID: 202268 (1Kn5/2pr4/4N3/BQ3P2/2P1B3/R2Pk1Nq/4rp2/b4b2 w - - 0 1)

Palitzsch, Friedrich Martin

2nd HM., Sydsvenska Dagbladet Snallposten, 1923

1Kn5/2pr4/4N3/BQ3P2/2P1B3/R2Pk1Nq/4rp2/b4b2

#2

10 + 9

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Qg4
      • 2.Sxf1#
    • 1...Qxf5
      • 2.Sxf1#
      • 2.Sxf5#
    • 1...Qh2
      • 2.Sxf1#
    • 1...Qh4
      • 2.Sxf1#
    • 1...Qh5
      • 2.Sxf1#
    • 1...Qh6
      • 2.Sxf1#
    • 1...Qh7
      • 2.Sxf1#
    • 1...Qh8
      • 2.Sxf1#
    • 1...Rxd3
      • 2.Rxd3#
    • 1...Be5
      • 2.d4#
    • 1...Bf6
      • 2.d4#
    • 1...Bg7
      • 2.d4#
    • 1...Bh8
      • 2.d4#
  • Keys
    • 1.Qe5!
      • threat
        • 2.Qf4#
      • 1...Rb2+
        • 2.Bb7#
      • 1...Qxf5
        • 2.Sxf1#
        • 2.Sxf5#
      • 1...Qxg3
        • 2.Qxg3#
      • 1...Bxe5
        • 2.d4#
      • 1...Qg4
        • 2.Sxf1#
      • 1...Qh4
        • 2.Sxf1#
      • 1...Qh6
        • 2.Sxf1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 8
  • Sets
    • Q(f);N_GUARD::S(C),XB(b)
    • R(h);OGATE,P_SPINR(h),XP(B)::R1(A),XR(h)
    • B(a);N_GUARD::R(A)+P(B)
  • Actual
    • Q(G);
    • Threat
      • QAB1(G)
    • Vars
      • R(c);CHECK,S_CUTB(a)::QAR(G)+B(E)
      • Q(f);OGATE,XS(C)::QAR2(G),XQ(f)
      • B(a);N_GUARD,XQ(G)::R(A)+P(B)
      • Q(f);N_GUARD::S(C),XB(b)
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