MESON Chess Problem Database

Problem Display
PID: 105366 (5B2/8/2r1P3/1P1kN3/P2P3R/1pp1p2B/1npRN2K/3r1Q1b w - - 0 1)

Bunka, Vladislav

Telescacco 92, 1997

5B2/8/2r1P3/1P1kN3/P2P3R/1pp1p2B/1npRN2K/3r1Q1b

#2

12 + 9

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rxd2
      • 2.Qxh1#
    • 1...Ra6
      • 2.Sxc3#
    • 1...Rb6
      • 2.Sxc3#
    • 1...Rd6
      • 2.Sxc3#
    • 1...Rxe6
      • 2.Sxc3#
    • 1...Bg2
      • 2.Qxg2#
    • 1...Bf3
      • 2.Qxf3#
    • 1...Be4
      • 2.Sf4#
    • 1...Sc4
      • 2.Sxc3#
  • Tries
    • 1.Sc4?
      • threat
        • 2.Sxc3#
        • 2.Sxe3#
      • 1...Rxf1
        • 2.Sxe3#
      • 1...Rxd2
        • 2.Sxe3#
      • 1...Rxc4
        • 2.Qf5#
      • 1...Rxe6
        • 2.Sxc3#
      • 1...Sxa4
        • 2.Sxe3#
      • 1...Sxc4
        • 2.Sxc3#
      • 1...cxd2
        • 2.Sc3#
        • 2.Sxe3#
      • 1...exd2
        • 2.Sxc3#
        • 2.Se3#
      • 1...c1Q
        • 2.Sxe3#
      • 1...c1R
        • 2.Sxe3#
      • 1...Sd3
        • 2.Sxe3#
      • 1...Kxc4!
    • 1.Bg2+?
      • 1...Kxe6
        • 2.Rh6#
        • 2.Qf7#
      • 1...Bxg2!
  • Keys
    • 1.Sg4!
      • threat
        • 2.Sxe3#
      • 1...Kc4
        • 2.Sxe3#
      • 1...Ke4
        • 2.Sf6#
      • 1...Kxe6
        • 2.Sxe3#
      • 1...Rxe6
        • 2.Sxc3#
      • 1...exd2
        • 2.Se3#
      • 1...Sc4
        • 2.Sf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 4
    • REMOVED MATES = 7
  • Sets
    • R(a);N_GUARD,P_PINS(C),XR(B)::QAB(A),XB(b)
    • R(i);N_GUARD::S(C),XP(f)
    • R(i);N_GUARD,XP(K)::S(C),XP(f)
    • B(b);N_GUARD::QAB(A),XB(b)
    • B(b);SBLOCK::S(C)
    • S(c);S_CUTR(i)::S(C),XP(f)
  • Tries
    • Try
      • S(J);
      • Threat
        • DUALS(2)
      • Vars
        • R(a);XQ(A)::S(J),XP(g)
        • R(a);P_PINS(C),XR(B)::S(J),XP(g)
        • R(i);SBLOCK,XS(J)::QAR2(A)
        • R(i);XP(K)::S(C),XP(f)
        • S(c);XP(F)::S(J),XP(g)
        • S(c);XS(J)::S(C),XP(f)
        • P(d);::S(J),XP(g)
        • S(c);::S(J),XP(g)
      • Refutation
        • K(h);S_FLIGHT,XS(J)
    • Try
      • B(E);CHECK
      • Refutation
        • B(b);XB(E)
  • Actual
    • S(J);
    • Threat
      • S(J),XP(g)
    • Vars
      • K(h);S_FLIGHT::S(J),XP(g)
      • K(h);S_FLIGHT::R(H)+S(J),DCHECK
      • K(h);S_FLIGHT,XP(K)::B(E)+S(J),XP(g)
      • R(i);N_GUARD,SBLOCK,XP(K)::S(C),XP(f)
      • P(g);XR(B)::S(J)
      • S(c);SBLOCK::S(J)
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