MESON Chess Problem Database

Problem Display
PID: 155065 (8/1Q6/2P1pN2/4pP2/2pp1P1R/4kp2/4PR2/2N1K1nb w - - 0 1)

Paslack, Rainer

Die Schwalbe, 2014

8/1Q6/2P1pN2/4pP2/2pp1P1R/4kp2/4PR2/2N1K1nb

#2

10 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...d3
      • 2.Qb6#
      • 2.Qa7#
  • Tries
    • 1.Qb2?
      • threat
        • 2.Qd2#
      • 1...d3
        • 2.Qxe5#
        • 2.Qb6#
      • 1...c3!
    • 1.Qb4?
      • threat
        • 2.Qd2#
      • 1...d3
        • 2.Qc5#
        • 2.Qb6#
      • 1...c3!
    • 1.Qc7?
      • threat
        • 2.Qxe5#
      • 1...exf4
        • 2.Qxf4#
        • 2.Qe5#
      • 1...e4
        • 2.Sg4#
      • 1...fxe2!
    • 1.Qb8?
      • threat
        • 2.Qxe5#
      • 1...exf4
        • 2.Qxf4#
        • 2.Qe5#
      • 1...e4
        • 2.Sg4#
      • 1...fxe2!
    • 1.fxe5?
      • threat
        • 2.Re4#
      • 1...exf5
        • 2.Sd5#
      • 1...fxe2!
    • 1.c7?
      • threat
        • 2.Qe4#
      • 1...fxe2
        • 2.Sg4#
      • 1...e4
        • 2.Qxe4#
      • 1...exf5!
  • Keys
    • 1.Qb1!
      • threat
        • 2.Qe4#
      • 1...fxe2
        • 2.Sg4#
      • 1...exf5
        • 2.Sd5#
      • 1...d3
        • 2.Qb6#
      • 1...e4
        • 2.Qxe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(J);
      • Threat
        • QAB1(J)
      • Refutation
        • P(e);
    • Try
      • Q(J);
      • Threat
        • QAB1(J)
      • Refutation
        • P(e);
    • Try
      • Q(J);
      • Threat
        • QAR2(J),XP(g)
      • Vars
        • P(g);SBLOCK::S(I)
      • Refutation
        • P(d);XP(C)
    • Try
      • Q(J);
      • Threat
        • QAR2(J),XP(g)
      • Vars
        • P(g);SBLOCK::S(I)
      • Refutation
        • P(d);XP(C)
    • Try
      • P(E);XP(g)
      • Threat
        • R1(F)
      • Vars
        • P(h);N_GUARD,XP(G)::S(I)
      • Refutation
        • P(d);XP(C)
    • Try
      • P(H);
      • Threat
        • QAR1(J)
      • Vars
        • P(d);XP(C)::S(I)
        • P(g);::QAR1(J),XP(g)
      • Refutation
        • P(h);XP(G)
  • Actual
    • Q(J);
    • Threat
      • QAR1(J)
    • Vars
      • P(d);XP(C)::S(I)
      • P(h);N_GUARD,XP(G)::S(I)
      • P(f);OGATEB::QAB(J)
      • P(g);::QAR1(J),XP(g)
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