MESON Chess Problem Database

Problem Display
PID: 156408 (2B5/6Kp/R3Q1br/6pk/4n2q/5NR1/7n/5N2 w - - 0 1)

Subotic, Miroslav

Best Problems, 2006

2B5/6Kp/R3Q1br/6pk/4n2q/5NR1/7n/5N2

#2

7 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Qh3
      • 2.Rxh3#
      • 2.Qxh3#
    • 1...Bf5
      • 2.Qxh6#
    • 1...Bf7
      • 2.Qxh6#
    • 1...Be8
      • 2.Qxh6#
  • Tries
    • 1.Rh3?
      • 1...Qxh3
        • 2.Qxh3#
      • 1...Sxf1
        • 2.Qg4#
      • 1...Sxf3
        • 2.Qg4#
      • 1...Bf7
        • 2.Qxh6#
      • 1...Be8
        • 2.Qxh6#
      • 1...Sg4
        • 2.Qxg4#
      • 1...Sd2
        • 2.Sg3#
      • 1...Sf2
        • 2.Sg3#
      • 1...Sc3
        • 2.Sg3#
      • 1...Sg3
        • 2.Sxg3#
      • 1...Sc5
        • 2.Sg3#
      • 1...Sd6
        • 2.Sg3#
      • 1...Sf6
        • 2.Sg3#
      • 1...g4
        • 2.Rxh4#
      • 1...Bf5!
  • Keys
    • 1.Qh3!
      • 1...Qxh3
        • 2.Rxh3#
      • 1...Sxf1
        • 2.Bg4#
      • 1...Sxf3
        • 2.Bg4#
      • 1...Sxg3
        • 2.Sxg3#
      • 1...Bf5
        • 2.Rxh6#
      • 1...Bf7
        • 2.Rxh6#
      • 1...Be8
        • 2.Rxh6#
      • 1...Sg4
        • 2.Bxg4#
      • 1...Sd2
        • 2.Rxg5#
      • 1...Sf2
        • 2.Rxg5#
      • 1...Sc3
        • 2.Rxg5#
      • 1...Sc5
        • 2.Rxg5#
      • 1...Sd6
        • 2.Rxg5#
      • 1...Sf6
        • 2.Rxg5#
      • 1...g4
        • 2.Qxh4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 3
    • ADDED MATES = 12
    • REMOVED MATES = 0
  • Sets
    • B(f);OGATE::QAR1(E),XR(g)
  • Tries
    • Try
      • R(C);P_PINQ(c)
      • Vars
        • Q(c);N_SPINQ(c),OGATE,XR(C)::QAR2(E),XQ(c)
        • S(a);N_GUARD,XS(A)::QAB1(E)
        • S(a);N_GUARD,XS(B)::QAB1(E)
        • B(f);OGATE::QAR1(E),XR(g)
        • S(a);N_GUARD::QAB1(E),XS(a)
        • S(b);N_GUARD::S(A)
        • S(b);N_GUARD::S(A),XS(b)
        • P(d);N_GUARD::R1(C),XQ(c)
      • Refutation
        • B(f);
  • Actual
    • Q(E);P_PINQ(c)
    • Vars
      • Q(c);N_SPINQ(c),OGATE,XQ(E)::R(C),XQ(c)
      • S(a);N_GUARD,XS(A)::B(G)
      • S(a);N_GUARD,XS(B)::B(G)
      • S(b);XR(C)::S(A),XS(b)
      • B(f);OGATE::R1(D),XR(g)
      • S(a);N_GUARD::B(G),XS(a)
      • S(b);N_GUARD::R1(C),XP(d)
      • P(d);N_GUARD::QAR1(E),XQ(c)
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