MESON Chess Problem Database

Problem Display
PID: 134089 (1n4bb/4pp1r/1pB1N2B/4Q1rp/pk4qR/1N1P4/PP2P3/2K5 w - - 0 1)

Abrosimov, Viktor Yakovlevich

Zarubin, Eduard

Shakhmatnaya Poeziya, 2006

1n4bb/4pp1r/1pB1N2B/4Q1rp/pk4qR/1N1P4/PP2P3/2K5

#2

11 + 12

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.Qb5#
    • 1...Rgg7
      • 2.Bd2#
      • 2.Qc3#
      • 2.Qb5#
    • 1...Rhg7
      • 2.Qc3#
    • 1...axb3
      • 2.a3#
    • 1...f5
      • 2.Qb5#
    • 1...f6
      • 2.Qc3#
  • Tries
    • 1.Bxg5?
      • threat
        • 2.Bd2#
        • 2.Bxe7#
        • 2.Qb5#
      • 1...Qc4+
        • 2.Rxc4#
      • 1...Qf4+
        • 2.Rxf4#
      • 1...Qxh4
        • 2.Bd2#
        • 2.Qb5#
      • 1...Sxc6
        • 2.Bd2#
      • 1...fxe6
        • 2.Bd2#
        • 2.Qb5#
      • 1...Bf6
        • 2.Bd2#
        • 2.Qb5#
      • 1...Sa6
        • 2.Bd2#
        • 2.Qb5#
      • 1...Sd7
        • 2.Bd2#
        • 2.Qb5#
      • 1...b5
        • 2.Bd2#
        • 2.Bxe7#
        • 2.Qxb5#
        • 2.Qc5#
      • 1...f5
        • 2.Bd2#
        • 2.Qb5#
      • 1...f6
        • 2.Bd2#
        • 2.Qc3#
        • 2.Qb5#
      • 1...Bxe5!
    • 1.Rxg4+?
      • 1...Rxg4
        • 2.Bd2#
        • 2.Qb5#
      • 1...hxg4!
  • Keys
    • 1.Sc7!
      • threat
        • 2.Sd5#
      • 1...Qc4+
        • 2.Rxc4#
      • 1...Qf4+
        • 2.Rxf4#
      • 1...Rxe5
        • 2.Bd2#
      • 1...Sxc6
        • 2.Sa6#
      • 1...axb3
        • 2.a3#
      • 1...e6
        • 2.Bf8#
      • 1...f5
        • 2.Qb5#
      • 1...f6
        • 2.Qc3#

This is a version of 134088

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 4
  • Sets
    • Q(c);CHECK,OGATE::R1(G),XQ(c)
    • Q(c);OGATE::R(G),XQ(c)
    • Q(c);CHECK,OGATE::R(G),XQ(c)
    • R(d);OGATE,XQ(H)::B(K)
    • R(d);OGATE::B(K)
    • R(i);S_CUTB(l)::QAB1(H)
    • P(a);SBLOCK,XS(E)::P(B)
    • P(h);S_CUTR(d)::QAR1(H)
    • P(h);S_CUTB(l)::QAB1(H)
  • Tries
    • Try
      • B(K);XR(d)
      • Threat
        • DUALS(3)
      • Vars
        • Q(c);CHECK,OGATE::R1(G),XQ(c)
        • Q(c);CHECK,OGATE::R(G),XQ(c)
        • S(j);XB(I)::B(K)
      • Refutation
        • B(l);XQ(H)
    • Try
      • R(G);CHECK,XQ(c)
      • Refutation
        • P(e);XR(G)
  • Actual
    • S(J);
    • Threat
      • S(J)
    • Vars
      • Q(c);CHECK,OGATE::R1(G),XQ(c)
      • Q(c);CHECK,OGATE::R(G),XQ(c)
      • R(d);OGATE,XQ(H)::B(K)
      • S(j);N_GUARD,XB(I)::S(J)
      • P(a);SBLOCK,XS(E)::P(B)
      • P(g);OGATEB::B(K)
      • P(h);S_CUTR(d)::QAR1(H)
      • P(h);S_CUTB(l)::QAB1(H)
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