MESON Chess Problem Database

Problem Display
PID: 162819 (8/8/8/8/6N1/4N1R1/p4RqB/K6k w - - 0 1)

Libis, Zdenek

Sachova skladba, 2012

8/8/8/8/6N1/4N1R1/p4RqB/K6k

#2

6 + 3

SOLUTION

  • SOUND
  • Sets
    • 1...Qf1+
      • 2.Rxf1#
    • 1...Qf3
      • 2.Rg1#
    • 1...Qh3
      • 2.Rg1#
    • 1...Qe4
      • 2.Rf1#
      • 2.Rg1#
    • 1...Qd5
      • 2.Rf1#
      • 2.Rg1#
    • 1...Qc6
      • 2.Rf1#
      • 2.Rg1#
    • 1...Qb7
      • 2.Rf1#
      • 2.Rg1#
    • 1...Qa8
      • 2.Rf1#
      • 2.Rg1#
    • 1...Qg1+
      • 2.Rxg1#
    • 1...Qxh2
      • 2.Rxh2#
  • Tries
    • 1.Sd1?
      • 1...Qxf2
        • 2.Sdxf2#
      • 1...Qxh2
        • 2.Rxh2#
      • 1...Qf1
        • 2.Rxf1#
      • 1...Qf3
        • 2.Rg1#
      • 1...Qh3
        • 2.Rg1#
      • 1...Qe4
        • 2.Rf1#
        • 2.Rg1#
      • 1...Qd5
        • 2.Rf1#
        • 2.Rg1#
      • 1...Qc6
        • 2.Rf1#
        • 2.Rg1#
      • 1...Qb7
        • 2.Rf1#
        • 2.Rg1#
      • 1...Qa8
        • 2.Rf1#
        • 2.Rg1#
      • 1...Qg1
        • 2.Rxg1#
      • 1...Qxg3!
    • 1.Sf5?
      • 1...Qf1+
        • 2.Rxf1#
      • 1...Qg1+
        • 2.Rxg1#
      • 1...Qxh2
        • 2.Rxh2#
      • 1...Qxg3
        • 2.Sxg3#
      • 1...Qf3
        • 2.Rg1#
      • 1...Qh3
        • 2.Rg1#
      • 1...Qe4
        • 2.Rf1#
        • 2.Rg1#
      • 1...Qd5
        • 2.Rf1#
        • 2.Rg1#
      • 1...Qc6
        • 2.Rf1#
        • 2.Rg1#
      • 1...Qb7
        • 2.Rf1#
        • 2.Rg1#
      • 1...Qa8
        • 2.Rf1#
        • 2.Rg1#
      • 1...Qxf2!
    • 1.Rf1+?
      • 1...Qg1
        • 2.Rfxg1#
        • 2.Rgxg1#
      • 1...Qxf1+!
  • Keys
    • 1.Sf1!
      • 1...Qxf1+
        • 2.Rxf1#
      • 1...Qxf2
        • 2.Sxf2#
      • 1...Qxh2
        • 2.Rxh2#
      • 1...Qxg3
        • 2.Sxg3#
      • 1...Qf3
        • 2.Rg1#
      • 1...Qh3
        • 2.Rg1#
      • 1...Qe4
        • 2.Rg1#
      • 1...Qd5
        • 2.Rg1#
      • 1...Qc6
        • 2.Rg1#
      • 1...Qb7
        • 2.Rg1#
      • 1...Qa8
        • 2.Rg1#
      • 1...Qg1
        • 2.Rxg1#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
    • Q(c);CHECK,N_GUARD::R(B),XQ(c)
    • Q(c);OGATE::R1(E)
    • Q(c);CHECK,OGATE::R1(E),XQ(c)
    • Q(c);OGATE,XB(C)::R1(B),XQ(c)
  • Tries
    • Try
      • S(D);
      • Vars
        • Q(c);XR(B)::S(D),XQ(c)
        • Q(c);OGATE,XB(C)::R1(B),XQ(c)
        • Q(c);N_GUARD,P_PINS(D)::R(B),XQ(c)
        • Q(c);OGATE::R1(E)
        • Q(c);OGATE,P_PINS(D)::R1(E),XQ(c)
      • Refutation
        • Q(c);XR(E)
    • Try
      • S(D);
      • Vars
        • Q(c);CHECK,N_GUARD::R(B),XQ(c)
        • Q(c);CHECK,OGATE::R1(E),XQ(c)
        • Q(c);OGATE,XB(C)::R1(B),XQ(c)
        • Q(c);XR(E)::S(D),XQ(c)
        • Q(c);OGATE::R1(E)
      • Refutation
        • Q(c);XR(B)
    • Try
      • R(B);CHECK
      • Refutation
        • Q(c);CHECK,XR(B)
  • Actual
    • S(D);
    • Vars
      • Q(c);CHECK,OGATE,XS(D)::R(B),XQ(c)
      • Q(c);XR(B)::S(F),XQ(c)
      • Q(c);OGATE,XB(C)::R1(B),XQ(c)
      • Q(c);XR(E)::S(D),XQ(c)
      • Q(c);OGATE::R1(E)
      • Q(c);OGATE,P_PINS(D)::R1(E),XQ(c)
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