MESON Chess Problem Database

Problem Display
PID: 174078 (4n3/1pb5/b3Q1PK/B6p/p2p1k2/rr6/4nPR1/2NB2N1 w - - 0 1)

Armeni, Alberto

Componist, 2012

4n3/1pb5/b3Q1PK/B6p/p2p1k2/rr6/4nPR1/2NB2N1

#2

9 + 11

SOLUTION

  • SOUND
  • Sets
    • 1...Rd3
      • 2.Scxe2#
    • 1...Rb5
      • 2.Scxe2#
    • 1...Bd3
      • 2.Bd2#
    • 1...Sc3
      • 2.Sh3#
    • 1...Sg3
      • 2.Sh3#
    • 1...Sf6
      • 2.Bxc7#
    • 1...Sg7
      • 2.Bxc7#
    • 1...d3
      • 2.Bd2#
    • 1...h4
      • 2.Rg4#
    • 1...b5
      • 2.Scxe2#
  • Tries
    • 1.Sd3+?
      • 1...Bxd3
        • 2.Bd2#
      • 1...Rxd3!
    • 1.Sgxe2+?
      • 1...Kf3
        • 2.Qd5#
      • 1...Bxe2!
    • 1.Sh3+?
      • 1...Kf3
        • 2.Qd5#
      • 1...Rxh3!
    • 1.Bxc7+?
      • 1...Sd6
        • 2.Bxd6#
      • 1...Sxc7!
  • Keys
    • 1.Rg5!
      • threat
        • 2.Qf5#
      • 1...Rb5
        • 2.Scxe2#
      • 1...Bd3
        • 2.Bd2#
      • 1...Sg3
        • 2.Sh3#
      • 1...Sd6
        • 2.Qe5#
      • 1...Sg7
        • 2.Bxc7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 6
  • Sets
    • R(c);S_CUTB(h)::S(A),XS(a)
    • B(h);S_CUTR(c)::B(F)
    • S(a);S_CUTR(c)::S(C)
    • S(k);N_GUARD::B(F),XB(j)
    • P(e);S_CUTR(c)::B(F)
    • P(g);N_GUARD::R1(E)
    • P(i);S_CUTB(h)::S(A),XS(a)
  • Tries
    • Try
      • S(A);CHECK
      • Vars
        • B(h);XS(A)::B(F)
      • Refutation
        • R(c);XS(A)
    • Try
      • S(C);CHECK,XS(a)
      • Vars
        • K(f);P-FLIGHT::QAB(G)
      • Refutation
        • B(h);XS(C)
    • Try
      • S(C);CHECK
      • Vars
        • K(f);P-FLIGHT,P_SPINS(a)::QAB(G)
      • Refutation
        • R(c);XS(C)
    • Try
      • B(F);CHECK,XB(j)
      • Vars
        • S(k);N_GUARD,P_SPINS(k)::B(F),XS(k)
      • Refutation
        • S(k);XB(F)
  • Actual
    • R(E);
    • Threat
      • QAR1(G)
    • Vars
      • R(c);S_CUTB(h)::S(A),XS(a)
      • B(h);S_CUTR(c)::B(F)
      • S(a);S_CUTR(c)::S(C)
      • S(k);S_CUTB(j)::QAB1(G)
      • S(k);N_GUARD::B(F),XB(j)
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