MESON Chess Problem Database

Problem Display
PID: 245984 (8/2KN3p/p7/p7/Bk2n2r/8/RP1pQ3/7b w - - 0 1)

Paslack, Rainer

Europa-Rochade, 2002

8/2KN3p/p7/p7/Bk2n2r/8/RP1pQ3/7b

#2

6 + 8

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Sb6?
      • threat
        • 2.Qc4#
      • 1...Kc5
        • 2.Qc4#
      • 1...Sf2
        • 2.Qe7#
      • 1...Sc3
        • 2.Qe7#
      • 1...Sg3
        • 2.Qe7#
      • 1...Sc5
        • 2.Qxd2#
      • 1...Sg5
        • 2.Qe7#
      • 1...Sf6
        • 2.Qe7#
      • 1...Sd6!
    • 1.Qd3?
      • threat
        • 2.Qb3#
        • 2.Qd4#
      • 1...d1B
        • 2.Qd4#
      • 1...d1R
        • 2.Qb3#
      • 1...Rh3
        • 2.Qd4#
      • 1...Sf2
        • 2.Qb3#
        • 2.Qc3#
      • 1...Sc3
        • 2.Qxc3#
        • 2.bxc3#
      • 1...Sg3
        • 2.Qb3#
        • 2.Qc3#
      • 1...Sc5
        • 2.Qc3#
      • 1...Sg5
        • 2.Qb3#
        • 2.Qc3#
      • 1...Sd6
        • 2.Qb3#
        • 2.Qc3#
      • 1...Sf6
        • 2.Qb3#
        • 2.Qc3#
      • 1...d1Q!
    • 1.Qxd2+?
      • 1...Kc4
        • 2.b3#
      • 1...Sc3
        • 2.Qxc3#
      • 1...Sxd2!
  • Keys
    • 1.b3!
      • threat
        • 2.Qc4#
      • 1...Kc3
        • 2.Qc4#
      • 1...Sf2
        • 2.Qxd2#
      • 1...Sc3
        • 2.Qe7#
      • 1...Sg3
        • 2.Qxd2#
      • 1...Sc5
        • 2.Qxd2#
      • 1...Sg5
        • 2.Qxd2#
      • 1...Sd6
        • 2.Qxd2#
      • 1...Sf6
        • 2.Qxd2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(F);
      • Threat
        • QAR1(C)
      • Vars
        • K(c);S_FLIGHT::QAR1(C)
        • S(d);OGATE::QAB(C)
        • S(d);N_GUARD,SBLOCK::QAB(C),XP(b)
      • Refutation
        • S(d);
    • Try
      • Q(C);
      • Threat
        • DUALS(2)
      • Vars
        • P(b);::QAR2(C)
        • P(b);::QAR1(C)
        • R(e);::QAR2(C)
        • S(d);N_GUARD::QAB1(C)
      • Refutation
        • P(b);
    • Try
      • Q(C);CHECK,XP(b)
      • Vars
        • K(c);P-FLIGHT::P(B)
        • S(d);N_GUARD,P_SPINS(d)::QAB1(C),XS(d)
      • Refutation
        • S(d);XQ(C)
  • Actual
    • P(B);
    • Threat
      • QAR1(C)
    • Vars
      • K(c);S_FLIGHT::QAR1(C)
      • S(d);N_GUARD::QAB(C),XP(b)
      • S(d);OGATE,SBLOCK::QAB(C)
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