MESON Chess Problem Database

Problem Display
PID: 252644 (2Br2q1/3rb3/R2p1Qp1/1Npk4/8/5P2/8/2RK2B1 w - - 0 1)

Gomez, Luis

SEPA-80 JT (Problemas), 2013-2014

2Br2q1/3rb3/R2p1Qp1/1Npk4/8/5P2/8/2RK2B1

#2

8 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Rb7
      • 2.Bxb7#
    • 1...Rc7
      • 2.Sxc7#
    • 1...c4
      • 2.Sc3#
    • 1...g5
      • 2.Qf5#
  • Tries
    • 1.Rxd6+?
      • 1...Rxd6
        • 2.Rxc5#
      • 1...Bxd6!
    • 1.Qxd6+?
      • 1...Rxd6
        • 2.Rxc5#
      • 1...Bxd6!
    • 1.Qf7+?
      • 1...Ke5
        • 2.Bh2#
      • 1...Qxf7!
  • Keys
    • 1.Qf4!
      • threat
        • 2.Qe4#
      • 1...Ke6
        • 2.Sc7#
      • 1...Qe6
        • 2.Sc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 4
  • Sets
    • R(e);N_GUARD::B(H),XR(e)
    • R(e);N_GUARD::S(E),XR(e)
    • P(a);SBLOCK::S(E)
    • P(d);N_GUARD::QAR2(G)
  • Tries
    • Try
      • R(F);CHECK,XP(c)
      • Vars
        • R(e);XR(F)::R1(A),XP(a)
      • Refutation
        • B(f);XR(F)
    • Try
      • Q(G);CHECK,XP(c)
      • Vars
        • R(e);XQ(G)::R1(A),XP(a)
      • Refutation
        • B(f);XQ(G)
    • Try
      • Q(G);CHECK
      • Vars
        • K(b);P-FLIGHT,S_CUTQ(h)::B(C)
      • Refutation
        • Q(h);XQ(G)
  • Actual
    • Q(G);
    • Threat
      • QAB1(G)
    • Vars
      • K(b);P_SPINP(c),P_SPINR(e),S_FLIGHT::S(E)
      • Q(h);SBLOCK::S(E)
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