MESON Chess Problem Database

Problem Display
PID: 214868 (8/2K5/8/2Pp4/3k1Pn1/b2B1R2/8/4Q3 w - - 0 1)

Tompuri, Ismo

Suomen Shakki, 2004

8/2K5/8/2Pp4/3k1Pn1/b2B1R2/8/4Q3

#2

6 + 4

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kxc5
      • 2.Qc3#
    • 1...Bc1
      • 2.Qb4#
    • 1...Bb2
      • 2.Qb4#
    • 1...Bb4
      • 2.Qxb4#
    • 1...Bxc5
      • 2.Qa1#
  • Tries
    • 1.Kc6?
      • 1...Se5+
        • 2.Qxe5#
      • 1...Bxc5
        • 2.Qa1#
      • 1...Bc1
        • 2.Qb4#
      • 1...Bb2
        • 2.Qb4#
      • 1...Bb4
        • 2.Qxb4#
      • 1...Sf2
        • 2.Qe5#
      • 1...Sh2
        • 2.Qe5#
      • 1...Sf6
        • 2.Qe5#
      • 1...Sh6
        • 2.Qe5#
      • 1...Se3!
    • 1.Bf1?
      • 1...Kxc5
        • 2.Qc3#
      • 1...Se3
        • 2.Qxe3#
      • 1...Bc1
        • 2.Qb4#
      • 1...Bb2
        • 2.Qb4#
      • 1...Bb4
        • 2.Qxb4#
      • 1...Sf2
        • 2.Qe3#
      • 1...Sh2
        • 2.Qe3#
      • 1...Se5
        • 2.Qe3#
      • 1...Sf6
        • 2.Qe3#
      • 1...Sh6
        • 2.Qe3#
      • 1...Bxc5!
    • 1.Bb5?
      • 1...Bxc5
        • 2.Rd3#
      • 1...Se3
        • 2.Qxe3#
      • 1...Bc1
        • 2.Qb4#
      • 1...Bb2
        • 2.Qb4#
      • 1...Bb4
        • 2.Qxb4#
      • 1...Sf2
        • 2.Qe3#
      • 1...Sh2
        • 2.Qe3#
      • 1...Se5
        • 2.Qe3#
      • 1...Sf6
        • 2.Qe3#
      • 1...Sh6
        • 2.Qe3#
      • 1...Kxc5!
    • 1.Qa1+?
      • 1...Kxc5
        • 2.Qc3#
      • 1...Bb2!
    • 1.Qe5+?
      • 1...Kxc5
        • 2.Qc3#
      • 1...Sxe5!
  • Keys
    • 1.Ba6!
      • 1...Kxc5
        • 2.Qc3#
      • 1...Bxc5
        • 2.Rd3#
      • 1...Se3
        • 2.Qxe3#
      • 1...Bc1
        • 2.Qb4#
      • 1...Bb2
        • 2.Qb4#
      • 1...Bb4
        • 2.Qxb4#
      • 1...Sf2
        • 2.Qe3#
      • 1...Sh2
        • 2.Qe3#
      • 1...Se5
        • 2.Qe3#
      • 1...Sf6
        • 2.Qe3#
      • 1...Sh6
        • 2.Qe3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • K(b);S_FLIGHT,XP(E)::QAR2(A)
    • B(a);N_GUARD::QAR2(A)
    • B(a);N_GUARD::QAR2(A),XB(a)
    • B(a);N_GUARD,SBLOCK,XP(E)::QAB(A)
  • Tries
    • Try
      • K(F);P-FLIGHT
      • Vars
        • S(c);CHECK,N_GUARD::QAB1(A),XS(c)
        • B(a);N_GUARD,XP(E)::QAB(A)
        • B(a);N_GUARD::QAR2(A)
        • B(a);N_GUARD::QAR2(A),XB(a)
        • S(c);N_GUARD::QAB1(A)
      • Refutation
        • S(c);
    • Try
      • B(B);
      • Vars
        • K(b);S_FLIGHT,XP(E)::QAR2(A)
        • S(c);N_GUARD::QAB1(A),XS(c)
        • B(a);N_GUARD::QAR2(A)
        • B(a);N_GUARD::QAR2(A),XB(a)
        • S(c);N_GUARD::QAB1(A)
      • Refutation
        • B(a);XP(E)
    • Try
      • B(B);
      • Vars
        • B(a);SBLOCK,XP(E)::R1(C)
        • S(c);N_GUARD::QAB1(A),XS(c)
        • B(a);N_GUARD::QAR2(A)
        • B(a);N_GUARD::QAR2(A),XB(a)
        • S(c);N_GUARD::QAB1(A)
      • Refutation
        • K(b);S_FLIGHT,XP(E)
    • Try
      • Q(A);CHECK
      • Vars
        • K(b);S_FLIGHT,XP(E)::QAR2(A)
      • Refutation
        • B(a);P_SPINB(a)
    • Try
      • Q(A);CHECK
      • Vars
        • K(b);OGATE,P_SPINP(d),S_FLIGHT,XP(E)::QAR2(A)
      • Refutation
        • S(c);XQ(A)
  • Actual
    • B(B);
    • Vars
      • K(b);S_FLIGHT,XP(E)::QAR2(A)
      • B(a);SBLOCK,XP(E)::R1(C)
      • S(c);N_GUARD::QAB1(A),XS(c)
      • B(a);N_GUARD::QAR2(A)
      • B(a);N_GUARD::QAR2(A),XB(a)
      • S(c);N_GUARD::QAB1(A)
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