MESON Chess Problem Database

Problem Display
PID: 238882 (Q4R2/3K3N/3pp1p1/1p2k2b/3pN3/3Pnp1B/3B4/2b1r3 w - - 0 1)

Paslack, Rainer

idee & form, 2005

Q4R2/3K3N/3pp1p1/1p2k2b/3pN3/3Pnp1B/3B4/2b1r3

#2

8 + 11

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...d5
      • 2.Qb8#
  • Tries
    • 1.Sxd6?
      • threat
        • 2.Qe4#
      • 1...Sd1
        • 2.Sf7#
      • 1...Sf1
        • 2.Sf7#
      • 1...Sc2
        • 2.Sf7#
      • 1...Sg2
        • 2.Sf7#
      • 1...Sc4
        • 2.Sf7#
      • 1...Sd5
        • 2.Sf7#
      • 1...Sf5
        • 2.Sf7#
      • 1...Sg4!
    • 1.Qe8?
      • threat
        • 2.Qxe6#
      • 1...Kd5
        • 2.Qxe6#
      • 1...Bg4!
  • Keys
    • 1.Seg5!
      • threat
        • 2.Qe4#
      • 1...Sd1
        • 2.Sf7#
      • 1...Sf1
        • 2.Sf7#
      • 1...Sc2
        • 2.Sf7#
      • 1...Sg2
        • 2.Sf7#
      • 1...Sc4
        • 2.Sf7#
      • 1...Sg4
        • 2.Sxf3#
      • 1...Sd5
        • 2.Sf7#
      • 1...Sf5
        • 2.Sf7#
      • 1...d5
        • 2.Qb8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
    • P(i);OGATEB,SBLOCK::QAB(G)
  • Tries
    • Try
      • S(D);XP(i)
      • Threat
        • QAR1(G)
      • Vars
        • S(c);::S(D)
      • Refutation
        • S(c);
    • Try
      • Q(G);P_PINP(j)
      • Threat
        • QAR1(G),XP(j)
      • Vars
        • K(g);N_SPINP(j),P-FLIGHT::QAB1(G),XP(j)
      • Refutation
        • B(h);
  • Actual
    • S(D);
    • Threat
      • QAR1(G)
    • Vars
      • S(c);::S(D)
      • S(c);S_CUTB(h)::S(D),XP(d)
      • P(i);OGATEB,SBLOCK::QAB(G)
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