MESON Chess Problem Database

Problem Display
PID: 272775 (n7/1p2pr2/4p3/1p1kpbn1/pB2R3/R3Pp2/K1Q5/8 w - - 0 1)

Szwedowski, Leopold Mieczyslaw

Schach-Aktiv, 1995

n7/1p2pr2/4p3/1p1kpbn1/pB2R3/R3Pp2/K1Q5/8

#2

6 + 12

15601 Albrecht-Leiss-Degener Collection 2023

SOLUTION

  • SOUND
  • Sets
    • 1...Bxe4
      • 2.Qc5#
    • 1...Sxe4
      • 2.Rd3#
  • Tries
    • 1.Qd1+?
      • 1...Kxe4
        • 2.Qd3#
      • 1...Kc6!
    • 1.Qd2+?
      • 1...Kxe4
        • 2.Qd3#
      • 1...Kc6!
    • 1.Qc3?
      • threat
        • 2.Rxe5#
      • 1...Kxe4
        • 2.Qd3#
      • 1...Bxe4
        • 2.Qc5#
      • 1...Sxe4!
    • 1.Qc7?
      • threat
        • 2.Rxe5#
        • 2.Qxb7#
      • 1...Kxe4
        • 2.Qxb7#
      • 1...Bxe4
        • 2.Qc5#
      • 1...Sxe4
        • 2.Rd3#
      • 1...b6
        • 2.Rxe5#
        • 2.Qb7#
      • 1...Sxc7!
  • Keys
    • 1.Qc8!
      • threat
        • 2.Qxb7#
      • 1...Kxe4
        • 2.Qxb7#
      • 1...Bxe4
        • 2.Qc5#
      • 1...Sxe4
        • 2.Rd3#
      • 1...b6
        • 2.Qb7#
        • 2.Qxa8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • B(f);SBLOCK,XR(F)::QAR1(B)
    • S(g);SBLOCK,XR(F)::R(C)
  • Tries
    • Try
      • Q(B);CHECK
      • Vars
        • K(d);N_GUARD,S_FLIGHT,XR(F)::QAB1(B)
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • Q(B);CHECK
      • Vars
        • K(d);N_GUARD,S_FLIGHT,XR(F)::QAB1(B)
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • Q(B);
      • Threat
        • R1(F),XP(e)
      • Vars
        • K(d);N_GUARD,S_FLIGHT,XR(F)::QAB1(B)
        • B(f);SBLOCK,XR(F)::QAR1(B)
      • Refutation
        • S(g);XR(F)
    • Try
      • Q(B);
      • Threat
        • DUALS(2)
      • Vars
        • K(d);S_FLIGHT,XR(F)::QAB(B),XP(i)
        • B(f);SBLOCK,XR(F)::QAR1(B)
        • S(g);SBLOCK,XR(F)::R(C)
      • Refutation
        • S(l);XQ(B)
  • Actual
    • Q(B);
    • Threat
      • QAB(B),XP(i)
    • Vars
      • K(d);S_FLIGHT,XR(F)::QAB(B),XP(i)
      • B(f);SBLOCK,XR(F)::QAR1(B)
      • S(g);SBLOCK,XR(F)::R(C)
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