MESON Chess Problem Database

Problem Display
PID: 134088 (1n4bb/nR2pp1r/ppB1N2B/P3Q1rp/pk4qR/1N1K4/PP2P3/8 w - - 0 1)

Abrosimov, Viktor Yakovlevich

Zarubin, Eduard

Shakhmatnaya Poeziya, 2006

1n4bb/nR2pp1r/ppB1N2B/P3Q1rp/pk4qR/1N1K4/PP2P3/8

#2

12 + 14

SOLUTION

  • SOUND
  • Sets
    • 1...Qc4+
      • 2.Rxc4#
    • 1...Qd4+
      • 2.Rxd4#
    • 1...Qe4+
      • 2.Rxe4#
    • 1...Qf4
      • 2.Rxf4#
    • 1...Rxe5
      • 2.Bd2#
    • 1...Rf5
      • 2.Bd2#
    • 1...Rg6
      • 2.Bd2#
      • 2.Qc5#
    • 1...Rgg7
      • 2.Bd2#
      • 2.Qc3#
      • 2.Qc5#
    • 1...Rhg7
      • 2.Qc3#
    • 1...Saxc6
      • 2.Rxb6#
    • 1...axb3
      • 2.a3#
    • 1...f5
      • 2.Qc5#
    • 1...f6
      • 2.Qc3#
  • Tries
    • 1.Rxg4+?
      • 1...Rxg4
        • 2.Bd2#
        • 2.Qc5#
      • 1...hxg4!
    • 1.Qd6+?
      • 1...Rc5
        • 2.Qxc5#
      • 1...exd6!
  • Keys
    • 1.Sc7!
      • threat
        • 2.Sd5#
      • 1...Qc4+
        • 2.Rxc4#
      • 1...Qd4+
        • 2.Rxd4#
      • 1...Qe4+
        • 2.Rxe4#
      • 1...Rxe5
        • 2.Bd2#
      • 1...Saxc6
        • 2.Rxb6#
      • 1...Sbxc6
        • 2.Sxa6#
      • 1...axb3
        • 2.a3#
      • 1...e6
        • 2.Bf8#
      • 1...f5
        • 2.Qc5#
      • 1...f6
        • 2.Qc3#

There are these versions: 134089

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 3
  • Sets
    • Q(c);CHECK,OGATE::R1(F),XQ(c)
    • Q(c);CHECK,OGATE::R(F),XQ(c)
    • Q(c);OGATE::R(F),XQ(c)
    • R(d);OGATE,XQ(H)::B(K)
    • R(d);OGATE::B(K)
    • R(k);S_CUTB(n)::QAB1(H)
    • S(h);N_GUARD,XB(I)::R(L),XP(g)
    • P(a);SBLOCK,XS(D)::P(A)
    • P(j);S_CUTR(d)::QAB1(H)
    • P(j);S_CUTB(n)::QAB1(H)
  • Tries
    • Try
      • R(F);CHECK,XQ(c)
      • Refutation
        • P(e);XR(F)
    • Try
      • Q(H);CHECK
      • Vars
        • R(d);N_GUARD,P_SPINR(d)::QAB1(H),XR(d)
      • Refutation
        • P(i);XQ(H)
  • Actual
    • S(J);
    • Threat
      • S(J)
    • Vars
      • Q(c);CHECK,OGATE::R1(F),XQ(c)
      • Q(c);CHECK,OGATE::R(F),XQ(c)
      • R(d);OGATE,XQ(H)::B(K)
      • S(h);N_GUARD,XB(I)::R(L),XP(g)
      • S(l);N_GUARD,XB(I)::S(J),XP(f)
      • P(a);SBLOCK,XS(D)::P(A)
      • P(i);OGATEB::B(K)
      • P(j);S_CUTR(d)::QAB1(H)
      • P(j);S_CUTB(n)::QAB1(H)
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