MESON Chess Problem Database

Problem Display
PID: 138519 (8/8/1Qpp1ppp/1p1R1P1n/3p1kPP/2R4P/1NNq1BBK/8 w - - 0 1)

Nesic, Milivoj S

Cik pogodi, 1966

8/8/1Qpp1ppp/1p1R1P1n/3p1kPP/2R4P/1NNq1BBK/8

#2

12 + 10

6490 yacpdb 2011

SOLUTION

  • SOUND
  • Sets
    • 1...Qc1
      • 2.Sd3#
      • 2.Qxd4#
    • 1...Qe1
      • 2.Sd3#
    • 1...Qxf2
      • 2.Sd3#
    • 1...Qd3
      • 2.Sxd3#
    • 1...Sg3
      • 2.Bxg3#
    • 1...Sg7
      • 2.Bg3#
    • 1...d3
      • 2.Qd4#
    • 1...cxd5
      • 2.Qxd6#
    • 1...c5
      • 2.Qxd6#
    • 1...gxf5
      • 2.Rxf5#
  • Tries
    • 1.Rxd4+?
      • 1...Qxd4
        • 2.Qxd4#
      • 1...Ke5!
    • 1.fxg6?
      • threat
        • 2.Rf5#
      • 1...cxd5
        • 2.Qxd6#
      • 1...Qd3
        • 2.Sxd3#
      • 1...Sg3
        • 2.Bxg3#
      • 1...Sg7
        • 2.Bg3#
      • 1...f5
        • 2.Rxf5#
      • 1...Qxc2!
  • Keys
    • 1.Sxd4!
      • threat
        • 2.Se6#
      • 1...Qxd4
        • 2.Qxd4#
      • 1...cxd5
        • 2.Qxd6#
      • 1...Qe1
        • 2.Sd3#
      • 1...Qe3
        • 2.Bxe3#
      • 1...Qe2
        • 2.Sxe2#
      • 1...Sg7
        • 2.Bg3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 6
  • Sets
    • Q(a);N_GUARD::S(A)
    • Q(a);N_GUARD,P_PINB(D),XB(C)::S(A)
    • Q(a);N_GUARD::S(A),XQ(a)
    • S(e);N_GUARD::B(C),XS(e)
    • S(e);N_GUARD::B(C)
    • P(b);S_CUTQ(a)::QAR2(L)
    • P(f);OGATE,XR(J)::QAB(L),XP(g)
    • P(f);OGATE::QAB(L),XP(g)
    • P(i);OGATE,XP(K)::R1(J),XP(i)
  • Tries
    • Try
      • R(J);CHECK,XP(b)
      • Vars
        • Q(a);OGATE,XR(J)::QAR2(L),XQ(a)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • P(K);XP(i)
      • Threat
        • R1(J)
      • Vars
        • P(f);OGATE,XR(J)::QAB(L),XP(g)
        • Q(a);N_GUARD::S(A),XQ(a)
        • S(e);N_GUARD::B(C),XS(e)
        • S(e);N_GUARD::B(C)
        • P(h);::R1(J),XP(h)
      • Refutation
        • Q(a);XS(B)
  • Actual
    • S(B);XP(b)
    • Threat
      • S(B)
    • Vars
      • Q(a);OGATE,XS(B)::QAR2(L),XQ(a)
      • P(f);OGATE,XR(J)::QAB(L),XP(g)
      • Q(a);N_GUARD::S(A)
      • Q(a);N_GUARD::B(C),XQ(a)
      • Q(a);N_GUARD::S(B),XQ(a)
      • S(e);N_GUARD::B(C)
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