MESON Chess Problem Database

Problem Display
PID: 84616 (R5Q1/3B2p1/8/5p2/1kNP4/pr3r2/P1bnp1q1/Kn2B3 w - - 0 1)

Szwedowski, Leopold Mieczyslaw

Probleemblad, 1973

R5Q1/3B2p1/8/5p2/1kNP4/pr3r2/P1bnp1q1/Kn2B3

#2

8 + 11

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rbc3
      • 2.Rb8#
    • 1...Rfc3
      • 2.Ra4#
  • Tries
    • 1.Sxd2?
      • threat
        • 2.Qc4#
      • 1...Kc3
        • 2.Qc4#
      • 1...Rbc3
        • 2.Qb8#
      • 1...Rfc3
        • 2.Ra4#
      • 1...Bd3
        • 2.Qxb3#
      • 1...Sxd2!
    • 1.Sa5?
      • threat
        • 2.Qc4#
      • 1...Kc3
        • 2.Qc4#
      • 1...Rbc3
        • 2.Qb8#
      • 1...Bd3
        • 2.Qxb3#
      • 1...Sc3
        • 2.Qf8#
      • 1...Rfc3!
    • 1.Sb6?
      • threat
        • 2.Qc4#
      • 1...Kc3
        • 2.Qc4#
      • 1...Rfc3
        • 2.Ra4#
      • 1...Bd3
        • 2.Qxb3#
      • 1...Sc3
        • 2.Qf8#
      • 1...Rbc3!
    • 1.Sd6?
      • threat
        • 2.Qc4#
      • 1...Kc3
        • 2.Qc4#
      • 1...Rbc3
        • 2.Qb8#
      • 1...Rfc3
        • 2.Ra4#
      • 1...Bd3
        • 2.Qxb3#
      • 1...Sc3!
    • 1.Bxd2+?
      • 1...Rbc3
        • 2.Rb8#
      • 1...Rfc3
        • 2.Ra4#
      • 1...Sc3
        • 2.Ra4#
        • 2.Rb8#
      • 1...Sxd2!
  • Keys
    • 1.Se5!
      • threat
        • 2.Qc4#
      • 1...Kc3
        • 2.Qc4#
      • 1...Rbc3
        • 2.Qb8#
      • 1...Rfc3
        • 2.Ra4#
      • 1...Bd3
        • 2.Qxb3#
      • 1...Sc3
        • 2.Qf8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • R(g);N_SPINS(c),SBLOCK::R(G)
    • R(h);N_SPINS(c),SBLOCK::R1(G)
  • Tries
    • Try
      • S(D);XS(c)
      • Threat
        • QAR1(H)
      • Vars
        • K(i);S_FLIGHT::QAR1(H)
        • R(g);SBLOCK::QAR(H)
        • R(h);SBLOCK::R1(G)
        • B(b);N_GUARD,S_CUTR(h)::QAR1(H),XR(g)
      • Refutation
        • S(a);P_SPINS(a),XS(D)
    • Try
      • S(D);
      • Threat
        • QAR1(H)
      • Vars
        • K(i);S_FLIGHT::QAR1(H)
        • R(g);N_SPINS(c),SBLOCK::QAR(H)
        • B(b);N_GUARD,S_CUTR(h)::QAR1(H),XR(g)
        • S(a);N_SPINS(c),SBLOCK::QAB(H)
      • Refutation
        • R(h);N_SPINS(c)
    • Try
      • S(D);
      • Threat
        • QAR1(H)
      • Vars
        • K(i);S_FLIGHT::QAR1(H)
        • R(h);N_SPINS(c),SBLOCK::R1(G)
        • B(b);N_GUARD,S_CUTR(h)::QAR1(H),XR(g)
        • S(a);N_SPINS(c),SBLOCK::QAB(H)
      • Refutation
        • R(g);N_SPINS(c)
    • Try
      • S(D);
      • Threat
        • QAR1(H)
      • Vars
        • K(i);S_FLIGHT::QAR1(H)
        • R(g);N_SPINS(c),SBLOCK::QAR(H)
        • R(h);N_SPINS(c),SBLOCK::R1(G)
        • B(b);N_GUARD,S_CUTR(h)::QAR1(H),XR(g)
      • Refutation
        • S(a);N_SPINS(c)
    • Try
      • B(B);CHECK,XS(c)
      • Vars
        • R(g);P_SPINR(g)::R(G)
        • R(h);P_SPINR(h)::R1(G)
      • Refutation
        • S(a);XB(B)
  • Actual
    • S(D);
    • Threat
      • QAR1(H)
    • Vars
      • K(i);S_FLIGHT::QAR1(H)
      • R(g);N_SPINS(c),SBLOCK::QAR(H)
      • R(h);N_SPINS(c),SBLOCK::R1(G)
      • B(b);N_GUARD,S_CUTR(h)::QAR1(H),XR(g)
      • S(a);N_SPINS(c),SBLOCK::QAB(H)
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