MESON Chess Problem Database

Problem Display
PID: 118416 (2nQ4/2N5/q7/1r6/1B1PPk1N/p1R2Prp/b1B2PRb/2nK4 w - - 0 1)

Ruszczynski, Piotr

Warzawskie Kolo Probl.-50 JT, 1982

2nQ4/2N5/q7/1r6/1B1PPk1N/p1R2Prp/b1B2PRb/2nK4

#2

12 + 10

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rxf3
      • 2.Rxf3#
    • 1...Rg4
      • 2.Rxg4#
    • 1...Bg1
      • 2.fxg3#
  • Tries
    • 1.Rb3?
      • threat
        • 2.Bd2#
      • 1...Rxf3
        • 2.Rxf3#
      • 1...Rxb4
        • 2.Sd5#
      • 1...Qa5
        • 2.Se6#
      • 1...Sxb3!
    • 1.Rc6?
      • threat
        • 2.Bd2#
      • 1...Rxf3
        • 2.Sg6#
      • 1...Rxb4
        • 2.Qf6#
      • 1...Sb3
        • 2.Se6#
      • 1...Qa5!
    • 1.Qf6+?
      • 1...Rf5
        • 2.Qxf5#
      • 1...Qxf6!
  • Keys
    • 1.Rc5!
      • threat
        • 2.Bd2#
      • 1...Rxf3
        • 2.Qg5#
      • 1...Rxb4
        • 2.Rf5#
      • 1...Qa5
        • 2.Qf6#
      • 1...Sb3
        • 2.Sd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • R(e);OGATE,XP(F)::R1(E),XR(e)
    • R(e);OGATE::R1(D),XR(e)
    • B(c);N_GUARD::P(C),XR(e)
  • Tries
    • Try
      • R(E);
      • Threat
        • B(G)
      • Vars
        • R(e);OGATE,XP(F)::R1(E),XR(e)
        • R(h);N_GUARD,XB(G)::S(K)
        • Q(i);N_GUARD::S(K)
      • Refutation
        • S(a);XR(E)
    • Try
      • R(E);
      • Threat
        • B(G)
      • Vars
        • R(e);N_GUARD,SBLOCK,XP(F)::S(J)
        • R(h);N_GUARD,XB(G)::QAR2(L)
        • S(a);S_CUTB(b)::S(K)
      • Refutation
        • Q(i);
    • Try
      • Q(L);CHECK
      • Vars
        • R(h);N_GUARD,P_SPINR(h)::QAR1(L),XR(h)
      • Refutation
        • Q(i);XQ(L)
  • Actual
    • R(E);
    • Threat
      • B(G)
    • Vars
      • R(e);N_GUARD,XP(F)::QAB1(L)
      • R(h);N_GUARD,XB(G)::R1(E)
      • Q(i);N_GUARD::QAR2(L)
      • S(a);S_CUTB(b)::S(K)
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