MESON Chess Problem Database

Problem Display
PID: 79294 (8/2n1p1n1/1p5b/1p2p2p/2p1k1Pr/Qp2N2N/1B2K3/8 w - - 0 1)

Solarczyk, Rudolf

Sachsische Zeitung, 1994

8/2n1p1n1/1p5b/1p2p2p/2p1k1Pr/Qp2N2N/1B2K3/8

#2

6 + 12

6114 Problemschach-Jahrbuch (1994) 1995

SOLUTION

  • SOUND
  • Sets
    • 1...Bf4
      • 2.Sf2#
    • 1...Sce6
      • 2.Qa8#
    • 1...Sa8
      • 2.Qxa8#
    • 1...Sce8
      • 2.Qa8#
    • 1...c3
      • 2.Qb4#
  • Tries
    • 1.Qc5?
      • threat
        • 2.Qxe5#
      • 1...Bf4
        • 2.Sf2#
      • 1...Sd5
        • 2.Qxd5#
      • 1...c3
        • 2.Qb4#
      • 1...bxc5!
    • 1.Qd6?
      • threat
        • 2.Qxe5#
      • 1...Bf4
        • 2.Sf2#
      • 1...c3
        • 2.Qb4#
        • 2.Qd3#
      • 1...exd6!
    • 1.Qa8+?
      • 1...Sd5
        • 2.Qxd5#
      • 1...Sxa8!
  • Keys
    • 1.Qxe7!
      • threat
        • 2.Qxe5#
      • 1...c3
        • 2.Qb4#
      • 1...Bf4
        • 2.Sf2#
      • 1...Sce6
        • 2.Qb7#
      • 1...Sge6
        • 2.Qh7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 2
  • Sets
    • B(i);SBLOCK::S(E)
    • S(j);N_GUARD::QAB(C)
    • S(j);N_GUARD::QAB(C),XS(j)
    • P(b);OGATEB::QAR(C)
  • Tries
    • Try
      • Q(C);
      • Threat
        • QAR1(C),XP(f)
      • Vars
        • B(i);SBLOCK::S(E)
        • S(j);N_GUARD::QAB1(C),XS(j)
        • P(b);OGATEB::QAR(C)
      • Refutation
        • P(h);XQ(C)
    • Try
      • Q(C);
      • Threat
        • QAR1(C),XP(f)
      • Vars
        • B(i);SBLOCK::S(E)
      • Refutation
        • P(k);XQ(C)
    • Try
      • Q(C);CHECK
      • Vars
        • S(j);N_GUARD,P_SPINS(j)::QAB1(C),XS(j)
      • Refutation
        • S(j);XQ(C)
  • Actual
    • Q(C);P_PINP(f),XP(k)
    • Threat
      • QAR1(C),XP(f)
    • Vars
      • P(b);OGATEB::QAR(C)
      • B(i);SBLOCK::S(E)
      • S(j);N_SPINP(f),OGATE::QAB(C)
      • S(l);N_SPINP(f),OGATE::QAB(C)
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