MESON Chess Problem Database

Problem Display
PID: 162573 (K2Nb3/1Qp5/n3p3/p3k1B1/6P1/1nP5/1N2qP2/1B1R1r2 w - - 0 1)

Jankevics, Karlis

Sachova skladba, 2012

K2Nb3/1Qp5/n3p3/p3k1B1/6P1/1nP5/1N2qP2/1B1R1r2

#2

10 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Qxd1
      • 2.Sc4#
    • 1...Qf3
      • 2.Sc4#
    • 1...Qc4
      • 2.Sxc4#
    • 1...Qb5
      • 2.Qe4#
    • 1...Qe1
      • 2.Sc4#
    • 1...Qxb2
      • 2.Qe4#
    • 1...Qc2
      • 2.Sc4#
    • 1...Qd2
      • 2.Sc4#
    • 1...Qxf2
      • 2.Sc4#
      • 2.Qe4#
    • 1...Qe3
      • 2.Sc4#
    • 1...Qe4
      • 2.Qxe4#
    • 1...Re1
      • 2.f4#
    • 1...Rg1
      • 2.f4#
    • 1...Rh1
      • 2.f4#
    • 1...Ba4
      • 2.Sf7#
    • 1...Bb5
      • 2.Sf7#
    • 1...Bh5
      • 2.Sc6#
    • 1...Bc6
      • 2.Sxc6#
      • 2.Sf7#
    • 1...Bg6
      • 2.Sc6#
    • 1...Bd7
      • 2.Sf7#
    • 1...Bf7
      • 2.Sc6#
      • 2.Sxf7#
    • 1...Sb4
      • 2.Qxc7#
    • 1...Sc5
      • 2.Qxc7#
    • 1...Sb8
      • 2.Qxc7#
    • 1...c5
      • 2.Qg7#
    • 1...c6
      • 2.Qg7#
  • Keys
    • 1.Rd7!
      • threat
        • 2.Sc6#
      • 1...Rxb1
        • 2.f4#
      • 1...Bxd7
        • 2.Sf7#
      • 1...Qd3
        • 2.Sxd3#
      • 1...Qf3
        • 2.Sc4#
      • 1...Qc4
        • 2.Sxc4#
      • 1...Qb5
        • 2.Qe4#
      • 1...Qc2
        • 2.Sc4#
      • 1...Qe4
        • 2.Qxe4#
      • 1...Sd4
        • 2.cxd4#
      • 1...Sb4
        • 2.Qxc7#
      • 1...Sb8
        • 2.Qxc7#
      • 1...c6
        • 2.Sxc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 14
  • Sets
    • Q(b);N_GUARD,XR(B)::S(C)
    • Q(b);N_GUARD,P_PINQ(H)::S(C)
    • Q(b);N_GUARD::S(C),XQ(b)
    • Q(b);N_GUARD::QAR1(H)
    • Q(b);N_GUARD::S(C)
    • Q(b);N_GUARD,XS(C)::QAR1(H)
    • Q(b);N_GUARD,P_PINQ(H)::QAR1(H),XQ(b)
    • R(a);N_GUARD::P(D)
    • B(i);N_GUARD::S(J)
    • S(f);N_GUARD::QAB(H),XP(h)
    • P(h);OGATE::QAB(H)
  • Actual
    • R(B);
    • Threat
      • S(J)
    • Vars
      • R(a);N_GUARD,XB(A)::P(D)
      • B(i);N_GUARD,XR(B)::S(J)
      • Q(b);N_GUARD::S(C),XQ(b)
      • Q(b);N_GUARD,P_PINQ(H)::S(C)
      • Q(b);N_GUARD::QAR1(H)
      • Q(b);N_GUARD::S(C)
      • Q(b);N_GUARD,P_PINQ(H)::QAR1(H),XQ(b)
      • S(c);OGATE::P(E),XS(c)
      • S(f);N_GUARD::QAB(H),XP(h)
      • P(h);::S(J),XP(h)
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