MESON Chess Problem Database

Problem Display
PID: 205845 (8/8/2N5/8/1Q6/pp6/pkp1p3/r1rbK3 w - - 0 1)

Miecz, Ferdinand

Troll, 2019

8/8/2N5/8/1Q6/pp6/pkp1p3/r1rbK3

#2

3 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Kb1
      • 2.Qxb3#
    • 1...Rab1
      • 2.Qd4#
  • Tries
    • 1.Sa5?
      • threat
        • 2.Qxb3#
      • 1...Kb1
        • 2.Qxb3#
      • 1...Rab1
        • 2.Qd4#
      • 1...Rcb1!
    • 1.Sa7?
      • 1...Kb1
        • 2.Qxb3#
      • 1...Rab1
        • 2.Qd4#
      • 1...Rcb1!
    • 1.Se7?
      • 1...Kb1
        • 2.Qxb3#
      • 1...Rab1
        • 2.Qd4#
      • 1...Rcb1!
    • 1.Sb8?
      • 1...Kb1
        • 2.Qxb3#
      • 1...Rab1
        • 2.Qd4#
      • 1...Rcb1!
    • 1.Sd8?
      • 1...Kb1
        • 2.Qxb3#
      • 1...Rab1
        • 2.Qd4#
      • 1...Rcb1!
    • 1.Qc3+?
      • 1...Kb1
        • 2.Qxb3#
      • 1...Kxc3!
    • 1.Qa4?
      • 1...Kb1
        • 2.Qxb3#
      • 1...Kc3
        • 2.Qd4#
      • 1...Rab1
        • 2.Qd4#
      • 1...Rcb1!
    • 1.Qc4?
      • 1...Kb1
        • 2.Qxb3#
      • 1...Rab1
        • 2.Qd4#
      • 1...Rcb1!
    • 1.Qb6?
      • 1...Kb1
        • 2.Qxb3#
      • 1...Kc3
        • 2.Qd4#
      • 1...Rab1
        • 2.Qd4#
      • 1...Rcb1!
  • Keys
    • 1.Se5!
      • 1...Kb1
        • 2.Qxb3#
      • 1...Rcb1
        • 2.Sd3#
      • 1...Rab1
        • 2.Qd4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(e);P-FLIGHT::QAR2(B),XP(i)
    • R(a);SBLOCK::QAB(B)
  • Tries
    • Try
      • S(C);
      • Threat
        • QAR1(B),XP(i)
      • Vars
        • K(e);P-FLIGHT::QAR2(B),XP(i)
        • R(a);SBLOCK::QAB(B)
      • Refutation
        • R(b);
    • Try
      • S(C);
      • Vars
        • K(e);P-FLIGHT::QAR2(B),XP(i)
        • R(a);SBLOCK::QAB(B)
      • Refutation
        • R(b);
    • Try
      • S(C);
      • Vars
        • K(e);P-FLIGHT::QAR2(B),XP(i)
        • R(a);SBLOCK::QAB(B)
      • Refutation
        • R(b);
    • Try
      • S(C);
      • Vars
        • K(e);P-FLIGHT::QAR2(B),XP(i)
        • R(a);SBLOCK::QAB(B)
      • Refutation
        • R(b);
    • Try
      • S(C);
      • Vars
        • K(e);P-FLIGHT::QAR2(B),XP(i)
        • R(a);SBLOCK::QAB(B)
      • Refutation
        • R(b);
    • Try
      • Q(B);CHECK,N_PINP(i)
      • Vars
        • K(e);P-FLIGHT::QAR2(B),XP(i)
      • Refutation
        • K(e);S_FLIGHT,XQ(B)
    • Try
      • Q(B);N_PINP(i)
      • Vars
        • K(e);P-FLIGHT::QAR2(B),XP(i)
        • K(e);S_FLIGHT::QAB1(B)
        • R(a);SBLOCK::QAB(B)
      • Refutation
        • R(b);
    • Try
      • Q(B);N_PINP(i)
      • Vars
        • K(e);P-FLIGHT::QAR2(B),XP(i)
        • R(a);SBLOCK::QAB(B)
      • Refutation
        • R(b);
    • Try
      • Q(B);
      • Vars
        • K(e);P-FLIGHT::QAR2(B),XP(i)
        • K(e);N_SPINP(i),S_FLIGHT::QAB1(B)
        • R(a);SBLOCK::QAB(B)
      • Refutation
        • R(b);
  • Actual
    • S(C);
    • Vars
      • K(e);P-FLIGHT::QAR2(B),XP(i)
      • R(b);SBLOCK::S(C)
      • R(a);SBLOCK::QAB(B)
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