MESON Chess Problem Database

Problem Display
PID: 67342 (5Bbr/5p2/KR3p2/n6B/nQP5/4kP2/1pPRNp1N/2q2r2 w - - 0 1)

Szwedowski, Leopold Mieczyslaw

1st Prize, Problemista 35. JT, 1997

5Bbr/5p2/KR3p2/n6B/nQP5/4kP2/1pPRNp1N/2q2r2

#2

11 + 11

5417 FIDE Album (1995-1997) 2004

SOLUTION

  • SOUND
  • Sets
    • 1...Qxd2
      • 2.Qe7#
    • 1...Qxc2
      • 2.Sxf1#
    • 1...Rh6
      • 2.Bxh6#
    • 1...Bh7
      • 2.Bh6#
    • 1...Sc3
      • 2.Qxc3#
    • 1...Sc5+
      • 2.Bxc5#
    • 1...Sxb6
      • 2.Bc5#
      • 2.Qc3#
  • Tries
    • 1.Bd6?
      • threat
        • 2.Bf4#
      • 1...Sc5+
        • 2.Bxc5#
      • 1...Qxd2!
    • 1.Rxf6?
      • threat
        • 2.Sg4#
      • 1...Sc5+
        • 2.Bxc5#
      • 1...Qxd2
        • 2.Qe7#
      • 1...Sc3
        • 2.Qxc3#
      • 1...Rg1!
    • 1.Qd6?
      • threat
        • 2.Qf4#
        • 2.Qd3#
        • 2.Qd4#
      • 1...Qxd2
        • 2.Qe7#
      • 1...Qxc2
        • 2.Sxf1#
        • 2.Qf4#
        • 2.Qd4#
      • 1...Bh7
        • 2.Bh6#
        • 2.Qf4#
        • 2.Qd4#
      • 1...Sb3
        • 2.Qf4#
        • 2.Qd3#
      • 1...Sc6
        • 2.Qf4#
        • 2.Qd3#
      • 1...Sc5+!
    • 1.c5?
      • threat
        • 2.Qd4#
        • 2.Qf4#
      • 1...Sxc5+
        • 2.Bxc5#
      • 1...Qxd2
        • 2.Qe4#
      • 1...Sb3
        • 2.Qf4#
      • 1...Sc6
        • 2.Qf4#
      • 1...Sc4!
  • Keys
    • 1.Rbd6!
      • threat
        • 2.R6d3#
      • 1...Sc5+
        • 2.Qxc5#
      • 1...Qxd2
        • 2.Qxd2#
      • 1...Qxc2
        • 2.Sxf1#
      • 1...Bh7
        • 2.Bh6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 0
    • REMOVED MATES = 2
  • Sets
    • Q(a);SBLOCK,XR(B)::QAR(F)
    • Q(a);N_GUARD,XP(A)::S(D),XR(b)
    • R(k);N_GUARD::B(K),XR(k)
    • B(j);S_CUTR(k)::B(K)
    • S(f);N_GUARD::QAR2(F),XS(f)
    • S(f);CHECK,N_GUARD::B(K),XS(f)
  • Tries
    • Try
      • B(K);
      • Threat
        • B(K)
      • Vars
        • S(f);CHECK,N_GUARD::B(K),XS(f)
      • Refutation
        • Q(a);XR(B)
    • Try
      • R(J);XP(h)
      • Threat
        • S(D)
      • Vars
        • S(f);CHECK,N_GUARD::B(K),XS(f)
        • Q(a);SBLOCK,XR(B)::QAR(F)
        • S(f);N_GUARD::QAR2(F),XS(f)
      • Refutation
        • R(b);
    • Try
      • Q(F);
      • Threat
        • DUALS(3)
      • Vars
        • Q(a);SBLOCK,XR(B)::QAR(F)
      • Refutation
        • S(f);CHECK
    • Try
      • P(G);
      • Threat
        • DUALS(2)
      • Vars
        • S(f);CHECK,OGATE,XP(G)::B(K),XS(f)
        • Q(a);SBLOCK,XR(B)::QAR1(F)
        • S(g);::QAB1(F)
      • Refutation
        • S(g);
  • Actual
    • R(J);
    • Threat
      • R1(J)
    • Vars
      • S(f);CHECK,N_GUARD::QAB(F),XS(f)
      • Q(a);OGATE,XR(B)::QAB1(F),XQ(a)
      • Q(a);N_GUARD,XP(A)::S(D),XR(b)
      • B(j);S_CUTR(k)::B(K)
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