MESON Chess Problem Database

Problem Display
PID: 132170 (b3q3/7N/3p3n/2p3R1/4nkpB/RB4N1/1P4PK/2b1Q3 w - - 0 1)

Simadhinata, Januarta (Siem Giok Liam)

The Problemist, 2008

b3q3/7N/3p3n/2p3R1/4nkpB/RB4N1/1P4PK/2b1Q3

#2

10 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Qa4
      • 2.Sh5#
    • 1...Qb5
      • 2.Sh5#
    • 1...Qh5
      • 2.Sxh5#
    • 1...Qc6
      • 2.Sh5#
    • 1...Qd7
      • 2.Sh5#
    • 1...Qe5
      • 2.Sh5#
    • 1...Qe6
      • 2.Sh5#
    • 1...Qe7
      • 2.Sh5#
    • 1...Qb8
      • 2.Sh5#
    • 1...Qc8
      • 2.Sh5#
    • 1...Qd8
      • 2.Sh5#
    • 1...Qf8
      • 2.Sh5#
    • 1...Qg8
      • 2.Sh5#
    • 1...Qh8
      • 2.Sh5#
    • 1...Be3
      • 2.Se2#
    • 1...Sxg3
      • 2.Bxg3#
    • 1...Sxg5
      • 2.Bxg5#
    • 1...Sf5
      • 2.Rxf5#
    • 1...Sf7
      • 2.Sh5#
      • 2.Rf5#
    • 1...Sg8
      • 2.Rf5#
  • Tries
    • 1.Bd5?
      • threat
        • 2.Se2#
      • 1...Sxg3
        • 2.Bxg3#
        • 2.Qf2#
        • 2.Qxg3#
      • 1...Sxg5
        • 2.Bxg5#
      • 1...Sf5
        • 2.Rxf5#
      • 1...Qb5
        • 2.Sh5#
        • 2.Qxe4#
      • 1...Sf2
        • 2.Qxf2#
      • 1...Sc3
        • 2.Qf2#
      • 1...Sf6
        • 2.Qf2#
        • 2.Qf1#
      • 1...Sd2!
    • 1.Bf7?
      • threat
        • 2.Se2#
        • 2.Sh5#
      • 1...Qxf7
        • 2.Se2#
      • 1...Sxg3
        • 2.Bxg3#
      • 1...Sxg5
        • 2.Bxg5#
      • 1...Sf5
        • 2.Rxf5#
      • 1...Sd2
        • 2.Sh5#
      • 1...Qb5
        • 2.Sh5#
      • 1...Sf2
        • 2.Sh5#
      • 1...Sc3
        • 2.Sh5#
      • 1...Sf6!
    • 1.Ra4?
      • threat
        • 2.Qf2#
        • 2.Qxc1#
      • 1...Qxa4
        • 2.Sh5#
      • 1...Bxb2
        • 2.Qd2#
        • 2.Qf2#
      • 1...Sf5
        • 2.Rxf5#
      • 1...Bd2
        • 2.Qxd2#
        • 2.Qf2#
      • 1...Be3
        • 2.Se2#
      • 1...c4!
    • 1.Qe3+?
      • 1...Bxe3
        • 2.Se2#
      • 1...Kxe3!
  • Keys
    • 1.Be6!
      • threat
        • 2.Se2#
      • 1...Sxg3
        • 2.Bxg3#
      • 1...Sxg5
        • 2.Bxg5#
      • 1...Sf5
        • 2.Rxf5#
      • 1...Sd2
        • 2.Qe3#
      • 1...Qb5
        • 2.Sh5#
      • 1...Sf2
        • 2.Qxc1#
      • 1...Sc3
        • 2.Qxc1#
      • 1...Sf6
        • 2.Qxc1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 15
  • Sets
    • Q(i);N_GUARD::S(G)
    • Q(i);N_GUARD,P_PINB(H)::S(G),XQ(i)
    • B(a);SBLOCK::S(G)
    • S(b);OGATE,XS(G)::B(H),XS(b)
    • S(b);OGATE,XR(I)::B(H),XS(b)
    • S(g);N_GUARD::R1(I),XS(g)
    • S(g);N_GUARD::R1(I)
  • Tries
    • Try
      • B(F);
      • Threat
        • S(G)
      • Vars
        • S(b);OGATE,XR(I)::B(H),XS(b)
        • S(g);N_GUARD::R1(I),XS(g)
        • S(b);N_GUARD::QAR2(A),XS(b)
        • S(b);N_GUARD::QAR2(A)
      • Refutation
        • S(b);
    • Try
      • B(F);
      • Threat
        • DUALS(2)
      • Vars
        • Q(i);XB(F)::S(G)
        • S(b);OGATE,XS(G)::B(H),XS(b)
        • S(b);OGATE,XR(I)::B(H),XS(b)
        • S(g);N_GUARD::R1(I),XS(g)
        • S(b);::S(G)
        • Q(i);::S(G)
      • Refutation
        • S(b);
    • Try
      • R(E);P_PINS(b)
      • Threat
        • DUALS(2)
      • Vars
        • Q(i);N_GUARD,N_SPINS(b),XR(E)::S(G)
        • S(g);N_GUARD::R1(I),XS(g)
        • B(a);SBLOCK::S(G)
      • Refutation
        • P(e);N_SPINS(b)
    • Try
      • Q(A);CHECK
      • Vars
        • B(a);SBLOCK,XQ(A)::S(G)
      • Refutation
        • K(c);S_FLIGHT,XQ(A)
  • Actual
    • B(F);
    • Threat
      • S(G)
    • Vars
      • S(b);OGATE,XS(G)::B(H),XS(b)
      • S(b);OGATE,XR(I)::B(H),XS(b)
      • S(g);N_GUARD::R1(I),XS(g)
      • S(b);S_CUTB(a)::QAB1(A)
      • Q(i);N_GUARD::S(G)
      • S(b);N_GUARD::QAB(A),XB(a)
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