MESON Chess Problem Database

Problem Display
PID: 132604 (2N2B2/2r1q2r/6Rn/1pkp2N1/3n3R/P3Qp2/p1p2P2/3bKB2 w - - 0 1)

Radomirovic, Miodrag

4th Place, Liga Problemista, 2001/1

2N2B2/2r1q2r/6Rn/1pkp2N1/3n3R/P3Qp2/p1p2P2/3bKB2

#2

10 + 12

14475 Mat Plus Review 2007

SOLUTION

  • SOUND
  • Sets
    • 1...Qd6
      • 2.Qc3#
    • 1...Qxf8
      • 2.Qxd4#
      • 2.Qc3#
    • 1...Be2
      • 2.Qxd4#
  • Tries
    • 1.Rxd4?
      • threat
        • 2.Rc4#
      • 1...b4
        • 2.axb4#
      • 1...Be2!
    • 1.Ra6?
      • threat
        • 2.Se6#
      • 1...Be2
        • 2.Qxd4#
      • 1...Rc6!
    • 1.Rb6?
      • threat
        • 2.Se6#
      • 1...Be2
        • 2.Qxd4#
      • 1...Rc6
        • 2.Rxb5#
      • 1...Rxc8!
  • Keys
    • 1.Qe5!
      • threat
        • 2.Se4#
      • 1...Qd6
        • 2.Qxd6#
      • 1...Be2
        • 2.Qxd4#
      • 1...Se6
        • 2.Qc3#
      • 1...Se2
        • 2.Qxc7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • Q(k);N_PINQ(E)::QAR2(E)
    • B(a);N_PINQ(E)::QAB1(E),XS(e)
  • Tries
    • Try
      • R(F);XS(e)
      • Threat
        • QAB(E)+R(F),DCHECK
      • Vars
        • P(f);OGATE::P(D),XP(f)
      • Refutation
        • B(a);N_PINQ(E)
    • Try
      • R(H);
      • Threat
        • S(G)
      • Vars
        • B(a);N_PINQ(E)::QAB1(E),XS(e)
      • Refutation
        • R(j);
    • Try
      • R(H);
      • Threat
        • S(G)
      • Vars
        • B(a);N_PINQ(E)::QAB1(E),XS(e)
        • R(j);SBLOCK::R1(H),XP(f)
      • Refutation
        • R(j);XS(I)
  • Actual
    • Q(E);N_PINS(e),P_PINP(h)
    • Threat
      • S(G)
    • Vars
      • Q(k);N_PINQ(E)::QAB1(E),XQ(k)
      • B(a);N_PINQ(E)::QAB1(E),XS(e)
      • S(e);N_PINQ(E)::QAR2(E)
      • S(e);N_PINQ(E)::QAR2(E),XR(j)
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