MESON Chess Problem Database

Problem Display
PID: 210380 (8/8/8/5Q2/2p2B2/n4p2/8/3k1K2 w - - 0 1)

Dikusarov, Andrey Nikolayovich

Suomen Shakki, 2004

8/8/8/5Q2/2p2B2/n4p2/8/3k1K2

#2

3 + 4

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Sb1
      • 2.Qxb1#
    • 1...Sb5
      • 2.Qb1#
    • 1...c3
      • 2.Qd3#
  • Tries
    • 1.Kf2?
      • 1...Sb1
        • 2.Qxb1#
      • 1...Sb5
        • 2.Qb1#
      • 1...c3
        • 2.Qd3#
      • 1...Sc2!
    • 1.Be3?
      • 1...Sb1
        • 2.Qxb1#
      • 1...Sc2
        • 2.Qxf3#
      • 1...Sb5
        • 2.Qb1#
      • 1...c3
        • 2.Qd3#
      • 1...f2!
    • 1.Bg5?
      • 1...Sb1
        • 2.Qxb1#
      • 1...Sc2
        • 2.Qxf3#
      • 1...Sb5
        • 2.Qb1#
      • 1...c3
        • 2.Qd3#
      • 1...f2!
    • 1.Bh6?
      • 1...Sb1
        • 2.Qxb1#
      • 1...Sc2
        • 2.Qxf3#
      • 1...Sb5
        • 2.Qb1#
      • 1...c3
        • 2.Qd3#
      • 1...f2!
  • Keys
    • 1.Qe4!
      • 1...f2
        • 2.Qe2#
      • 1...Sb1
        • 2.Qxb1#
      • 1...Sc2
        • 2.Qxf3#
      • 1...Sb5
        • 2.Qb1#
      • 1...c3
        • 2.Qd3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • S(b);N_GUARD::QAR2(C),XS(b)
    • S(b);N_GUARD::QAR2(C)
    • P(d);N_GUARD::QAR2(C)
  • Tries
    • Try
      • K(A);P-FLIGHT
      • Vars
        • S(b);N_GUARD::QAR2(C),XS(b)
        • S(b);N_GUARD::QAR2(C)
        • P(d);N_GUARD::QAR2(C)
      • Refutation
        • S(b);
    • Try
      • B(B);
      • Vars
        • S(b);N_GUARD::QAR2(C),XS(b)
        • S(b);SBLOCK::QAB(C),XP(c)
        • S(b);N_GUARD::QAR2(C)
        • P(d);N_GUARD::QAR2(C)
      • Refutation
        • P(c);
    • Try
      • B(B);
      • Vars
        • S(b);N_GUARD::QAR2(C),XS(b)
        • S(b);SBLOCK::QAB(C),XP(c)
        • S(b);N_GUARD::QAR2(C)
        • P(d);N_GUARD::QAR2(C)
      • Refutation
        • P(c);
    • Try
      • B(B);
      • Vars
        • S(b);N_GUARD::QAR2(C),XS(b)
        • S(b);SBLOCK::QAB(C),XP(c)
        • S(b);N_GUARD::QAR2(C)
        • P(d);N_GUARD::QAR2(C)
      • Refutation
        • P(c);
  • Actual
    • Q(C);
    • Vars
      • P(c);N_GUARD::QAB1(C)
      • S(b);N_GUARD::QAR2(C),XS(b)
      • S(b);SBLOCK::QAB(C),XP(c)
      • S(b);N_GUARD::QAR2(C)
      • P(d);N_GUARD::QAR2(C)
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