MESON Chess Problem Database

Problem Display
PID: 101594 (1b6/p1R1R3/p2k1P2/B1p1p3/2p1P3/1NPp4/2PQP3/3K4 w - - 0 1)

Aliovsadzade, Rauf Gadzhiaga ogli

Vahidov, Medzhnun

Canadian Chess Chat, 1982

1b6/p1R1R3/p2k1P2/B1p1p3/2p1P3/1NPp4/2PQP3/3K4

#2

11 + 8

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...cxb3
      • 2.Qxd3#
  • Tries
    • 1.Kc1?
      • 1...cxb3
        • 2.Qxd3#
      • 1...Bxc7!
    • 1.Ke1?
      • 1...cxb3
        • 2.Qxd3#
      • 1...Bxc7!
    • 1.Rxc5?
      • 1...Bc7
        • 2.Bxc7#
      • 1...cxb3!
    • 1.Rc8?
      • 1...cxb3
        • 2.Qxd3#
      • 1...Bc7!
    • 1.Re8?
      • 1...cxb3
        • 2.Qxd3#
      • 1...Bxc7!
    • 1.e3?
      • 1...cxb3
        • 2.Qxd3#
      • 1...Bxc7!
  • Keys
    • 1.Sd4!
      • threat
        • 2.Sf5#
        • 2.Rc6#
        • 2.Rcd7#
        • 2.Re6#
        • 2.Red7#
      • 1...dxc2+
        • 2.Sxc2#
      • 1...dxe2+
        • 2.Sxe2#
      • 1...Bxc7
        • 2.Bxc7#
      • 1...cxd4
        • 2.Bb4#
      • 1...exd4
        • 2.Qf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 1
  • Sets
    • P(b);N_GUARD,XS(E)::QAR(C),XP(a)
  • Tries
    • Try
      • K(A);P-FLIGHT
      • Vars
        • P(b);N_GUARD,XS(E)::QAR(C),XP(a)
      • Refutation
        • B(h);XR(J)
    • Try
      • K(A);P-FLIGHT
      • Vars
        • P(b);N_GUARD,XS(E)::QAR(C),XP(a)
      • Refutation
        • B(h);XR(J)
    • Try
      • R(J);XP(c)
      • Vars
        • B(h);N_GUARD::B(H),XB(h)
      • Refutation
        • P(b);XS(E)
    • Try
      • R(J);
      • Vars
        • P(b);N_GUARD,XS(E)::QAR(C),XP(a)
      • Refutation
        • B(h);
    • Try
      • R(K);
      • Vars
        • P(b);N_GUARD,XS(E)::QAR(C),XP(a)
      • Refutation
        • B(h);XR(J)
    • Try
      • P(D);
      • Vars
        • P(b);N_GUARD,XS(E)::QAR(C),XP(a)
      • Refutation
        • B(h);XR(J)
  • Actual
    • S(E);N_PINP(a)
    • Threat
      • DUALS(5)
    • Vars
      • P(a);CHECK,XP(B)::QAR(C)+S(E),XP(a)
      • P(a);CHECK,XP(D)::QAR(C)+S(E),XP(a)
      • B(h);OGATE,XR(J)::B(H),XB(h)
      • P(c);OGATEB,XS(E)::B(H)
      • P(d);OGATEB,XS(E)::QAB(C)
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