MESON Chess Problem Database

Problem Display
PID: 106050 (6B1/K1p4Q/2pr1P2/1pP1p1N1/2pkP1p1/R1R3P1/N3P3/8 w - - 0 1)

Argunov, Nikolai Dmitrievich

Wola Gulowska, 2003

6B1/K1p4Q/2pr1P2/1pP1p1N1/2pkP1p1/R1R3P1/N3P3/8

#2

12 + 8

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rd5
      • 2.Se6#
    • 1...Re6
      • 2.Sxe6#
    • 1...Rd7
      • 2.Se6#
    • 1...Rd8
      • 2.Se6#
    • 1...b4
      • 2.Rxc4#
  • Tries
    • 1.Ra5?
      • 1...Kxc5
        • 2.Rxc4#
      • 1...Rd5
        • 2.Se6#
      • 1...Re6
        • 2.Sxe6#
      • 1...Rd7
        • 2.Se6#
      • 1...Rd8
        • 2.Se6#
      • 1...b4
        • 2.e3#
      • 1...Rxf6!
  • Keys
    • 1.Qe7!
      • 1...Kxc5
        • 2.Se6#
      • 1...Rxf6
        • 2.e3#
      • 1...Rd5
        • 2.e3#
      • 1...Re6
        • 2.e3#
      • 1...Rd7
        • 2.e3#
      • 1...Rd8
        • 2.e3#
      • 1...b4
        • 2.Rxc4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 4
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • R(g);N_GUARD::S(H)
    • R(g);N_GUARD::S(H),XR(g)
    • P(d);N_GUARD::R1(D),XP(a)
  • Tries
    • Try
      • R(C);
      • Vars
        • K(b);P_SPINP(a),S_FLIGHT,XP(G)::R1(D),XP(a)
        • R(g);N_GUARD::S(H)
        • R(g);N_GUARD::S(H),XR(g)
        • P(d);::P(B)
      • Refutation
        • R(g);XP(I)
  • Actual
    • Q(K);
    • Vars
      • K(b);P_SPINP(a),P_SPINR(g),S_FLIGHT,XP(G)::S(H)
      • R(g);XP(I)::P(B)
      • R(g);::P(B)
      • P(d);N_GUARD::R1(D),XP(a)
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