MESON Chess Problem Database

Problem Display
PID: 6238 (2qn2RK/5p2/5Q2/2bp3B/N2P1P2/1Ppk2B1/4R3/8 w - - 0 1)

Kipping, Cyril Stanley

2nd Place, Chess Amateur (The) (Valve Ty.), 1928

2qn2RK/5p2/5Q2/2bp3B/N2P1P2/1Ppk2B1/4R3/8

#2

10 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Qh3
      • 2.Sxc5#
    • 1...Qf5
      • 2.Sxc5#
    • 1...Qa6
      • 2.Sxc5#
    • 1...Qe6
      • 2.Sxc5#
    • 1...Qb7
      • 2.Sxc5#
    • 1...Qd7
      • 2.Sxc5#
    • 1...Qa8
      • 2.Sxc5#
    • 1...Qb8
      • 2.Sxc5#
    • 1...Sc6
      • 2.Sxc5#
  • Tries
    • 1.Qe5?
      • threat
        • 2.Qe3#
      • 1...Qe6
        • 2.Sxc5#
      • 1...Bxd4!
    • 1.Qf5+?
      • 1...Kxd4
        • 2.Bf2#
      • 1...Qxf5!
    • 1.Qa6+?
      • 1...Kxd4
        • 2.Bf2#
      • 1...Qxa6!
  • Keys
    • 1.Bf2!
      • threat
        • 2.Rg3#
      • 1...Bxd4
        • 2.Qxd4#
      • 1...Qg4
        • 2.Qa6#
      • 1...Qh3
        • 2.Sxc5#
        • 2.Qa6#
      • 1...Qe6
        • 2.Sxc5#
      • 1...Sc6
        • 2.Sxc5#
      • 1...Se6
        • 2.Qf5#
      • 1...Sb7
        • 2.Qa6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 7
  • Sets
    • Q(f);N_GUARD,P_PINB(G)::S(D),XB(c)
    • Q(f);N_GUARD::S(D),XB(c)
    • S(g);P_PINR(I),S_CUTQ(f)::S(D),XB(c)
  • Tries
    • Try
      • Q(H);
      • Threat
        • QAR1(H)
      • Vars
        • Q(f);N_GUARD::S(D),XB(c)
      • Refutation
        • B(c);P_PINQ(H),XP(E)
    • Try
      • Q(H);CHECK
      • Vars
        • K(b);P-FLIGHT,XP(E)::B(C)
      • Refutation
        • Q(f);XQ(H)
    • Try
      • Q(H);CHECK
      • Vars
        • K(b);P-FLIGHT,XP(E)::B(C)
      • Refutation
        • Q(f);XQ(H)
  • Actual
    • B(C);
    • Threat
      • R(I)
    • Vars
      • B(c);OGATE,P_PINQ(H),XP(E)::QAR1(H),XB(c)
      • Q(f);N_GUARD::QAB(H)
      • Q(f);N_GUARD::S(D),XB(c)
      • S(g);P_PINR(I),S_CUTQ(f)::S(D),XB(c)
      • S(g);P_PINR(I),S_CUTQ(f)::QAB(H)
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