MESON Chess Problem Database

Problem Display
PID: 225689 (2R3Qn/1pB1Pp2/1N1N4/rPkP4/2q1p3/P1P1P1K1/1n6/2R4b w - - 0 1)

Pituk, Alexander

Praca, 2000

2R3Qn/1pB1Pp2/1N1N4/rPkP4/2q1p3/P1P1P1K1/1n6/2R4b

#2

13 + 9

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Qxb5
      • 2.Sxb7#
    • 1...Qxd5
      • 2.Sd7#
    • 1...Qb4
      • 2.axb4#
      • 2.cxb4#
    • 1...Qd4
      • 2.cxd4#
      • 2.exd4#
    • 1...Rxb5
      • 2.Sxb7#
    • 1...f5
      • 2.Sd7#
    • 1...f6
      • 2.Sd7#
  • Tries
    • 1.Qxf7?
      • threat
        • 2.Sd7#
      • 1...Qxb5
        • 2.Sxb7#
      • 1...Sxf7!
    • 1.Qg5?
      • threat
        • 2.Sd7#
      • 1...Qxb5
        • 2.Sxb7#
      • 1...f5!
    • 1.Qe8?
      • threat
        • 2.Sxb7#
      • 1...Qxd5
        • 2.Sd7#
      • 1...Ra7!
    • 1.e8Q?
      • threat
        • 2.Sxb7#
      • 1...Qxd5
        • 2.Sd7#
      • 1...Ra7!
    • 1.e8S?
      • threat
        • 2.Bd8#
      • 1...Qxb5
        • 2.Sxb7#
      • 1...Qxd5
        • 2.Sd7#
      • 1...Ra8!
    • 1.e8B?
      • threat
        • 2.Sxb7#
      • 1...Qxd5
        • 2.Sd7#
      • 1...Ra7!
  • Keys
    • 1.Qd8!
      • threat
        • 2.Bb8#
      • 1...Qxb5
        • 2.Sxb7#
      • 1...Qxd5
        • 2.Sd7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 3
  • Sets
    • Q(c);SBLOCK,XP(F)::S(I),XP(g)
    • Q(c);SBLOCK,XP(G)::S(H)
    • R(e);SBLOCK,XP(F)::S(I),XP(g)
    • P(h);::S(H)
  • Tries
    • Try
      • Q(M);XP(h)
      • Threat
        • S(H)
      • Vars
        • Q(c);SBLOCK,XP(F)::S(I),XP(g)
      • Refutation
        • S(i);XQ(M)
    • Try
      • Q(M);
      • Threat
        • S(H)
      • Vars
        • Q(c);SBLOCK,XP(F)::S(I),XP(g)
      • Refutation
        • P(h);
    • Try
      • Q(M);
      • Threat
        • S(I),XP(g)
      • Vars
        • Q(c);SBLOCK,XP(G)::S(H)
      • Refutation
        • R(e);
    • Try
      • P(K);
      • Threat
        • S(I),XP(g)
      • Vars
        • Q(c);SBLOCK,XP(G)::S(H)
      • Refutation
        • R(e);
    • Try
      • P(K);
      • Threat
        • R(L)+B(J)
      • Vars
        • Q(c);SBLOCK,XP(F)::S(I),XP(g)
        • Q(c);SBLOCK,XP(G)::S(H)
      • Refutation
        • R(e);
    • Try
      • P(K);
      • Threat
        • S(I),XP(g)
      • Vars
        • Q(c);SBLOCK,XP(G)::S(H)
      • Refutation
        • R(e);
  • Actual
    • Q(M);
    • Threat
      • R(L)+B(J)
    • Vars
      • Q(c);SBLOCK,XP(F)::S(I),XP(g)
      • Q(c);SBLOCK,XP(G)::S(H)
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