MESON Chess Problem Database

Problem Display
PID: 135544 (1Q5b/1b5K/1r4p1/2p1N3/2B4p/p2PB3/Pk5r/N1R2R2 w - - 0 1)

Kopyl, Valery Volodimirovich

2nd HM., StrateGems, 2009

1Q5b/1b5K/1r4p1/2p1N3/2B4p/p2PB3/Pk5r/N1R2R2

#2

10 + 9

145 StrateGems 2011

SOLUTION

  • SOUND
  • Sets
    • 1...Rh1
      • 2.Rc2#
      • 2.Rf2#
    • 1...Rc2
      • 2.Rxc2#
    • 1...Rf2
      • 2.Rxf2#
    • 1...Rh3
      • 2.Rc2#
      • 2.Rf2#
    • 1...Bh1
      • 2.Qxb6#
    • 1...Bg2
      • 2.Rc2#
      • 2.Rf2#
      • 2.Qxb6#
    • 1...Bf3
      • 2.Qxb6#
    • 1...Be4
      • 2.Qxb6#
    • 1...Bd5
      • 2.Qxb6#
    • 1...Ba8
      • 2.Qxb6#
    • 1...Bc8
      • 2.Qxb6#
    • 1...Bxe5
      • 2.Qxe5#
  • Tries
    • 1.Bd2?
      • threat
        • 2.Bc3#
        • 2.Rb1#
        • 2.Rc2#
      • 1...Bxe5
        • 2.Rb1#
        • 2.Rc2#
        • 2.Qxe5#
      • 1...Rb3
        • 2.Rc2#
      • 1...Rxd2!
  • Keys
    • 1.Sc6!
      • threat
        • 2.Qxh2#
        • 2.Qxh8#
      • 1...Rxc6
        • 2.Qxh2#
      • 1...Bxc6
        • 2.Qxh8#
      • 1...Rc2
        • 2.Rxc2#
      • 1...Rb3
        • 2.Qxh2#
      • 1...Rd2
        • 2.Qxh8#
      • 1...Rh1
        • 2.Rc2#
        • 2.Rf2#
        • 2.Qxh8#
      • 1...Re2
        • 2.Qxh8#
      • 1...Rf2
        • 2.Rxf2#
      • 1...Rg2
        • 2.Qxh8#
      • 1...Rh3
        • 2.Rc2#
        • 2.Rf2#
        • 2.Qxh8#
      • 1...Bc8
        • 2.Qxh2#
        • 2.Qxb6#
      • 1...Bc3
        • 2.Rb1#
      • 1...Bd4
        • 2.Qxh2#
      • 1...Be5
        • 2.Qxe5#
      • 1...Bf6
        • 2.Qxh2#
      • 1...Bg7
        • 2.Qxh2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 10
    • REMOVED MATES = 6
  • Sets
    • R(b);N_GUARD::R1(B),XR(b)
    • R(b);N_GUARD::R(C),XR(b)
    • B(h);OGATE,P_SPINR(f)::QAR(J),XR(f)
    • B(i);OGATE,XS(H)::QAB(J),XB(i)
  • Tries
    • Try
      • B(F);
      • Threat
        • DUALS(3)
      • Vars
        • R(f);::R1(B)
      • Refutation
        • R(b);XB(F)
  • Actual
    • S(H);
    • Threat
      • DUALS(2)
    • Vars
      • R(f);P_SPINB(h),XS(H)::QAR(J),XR(b)
      • B(h);P_SPINR(f),XS(H)::QAB(J),XB(i)
      • R(b);N_GUARD::R1(B),XR(b)
      • R(f);::QAR(J),XR(b)
      • R(b);::QAB(J),XB(i)
      • R(b);N_GUARD::R(C),XR(b)
      • B(i);SBLOCK::R1(B)
      • B(i);::QAR(J),XR(b)
      • B(i);N_GUARD::QAB(J),XB(i)
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