MESON Chess Problem Database

Problem Display
PID: 197066 (4n1K1/2r3p1/bp3p2/3R1R2/3Nk1B1/r2p2p1/2QPN2b/7q w - - 0 1)

Zalokotsky, Roman Fedorovich (aka Fedorovich, Roman)

Zadachi i Etyudi, 1996

4n1K1/2r3p1/bp3p2/3R1R2/3Nk1B1/r2p2p1/2QPN2b/7q

#2

8 + 12

SOLUTION

  • SOUND
  • Sets
    • 1...Qf3
      • 2.Bxf3#
    • 1...Qa1
      • 2.Bf3#
    • 1...Qb1
      • 2.Bf3#
    • 1...Qc1
      • 2.Bf3#
    • 1...Qd1
      • 2.Bf3#
    • 1...Qe1
      • 2.Bf3#
    • 1...Qg1
      • 2.Bf3#
    • 1...Bg1
      • 2.Sxg3#
    • 1...g2
      • 2.Bf3#
  • Tries
    • 1.Sb3?
      • threat
        • 2.Rd4#
      • 1...Qa1
        • 2.Bf3#
      • 1...Qg1
        • 2.Bf3#
      • 1...Rc4
        • 2.Qxd3#
      • 1...Rd7
        • 2.Sc3#
      • 1...Bg1
        • 2.Sxg3#
      • 1...Bc4
        • 2.Sc3#
      • 1...Ra4!
    • 1.Sc6?
      • threat
        • 2.Rd4#
      • 1...Qa1
        • 2.Bf3#
      • 1...Qg1
        • 2.Bf3#
      • 1...Ra4
        • 2.Sc3#
      • 1...Bg1
        • 2.Sxg3#
      • 1...Bc4
        • 2.Qxc4#
      • 1...Rd7!
  • Keys
    • 1.Sb5!
      • threat
        • 2.Rd4#
      • 1...Qa1
        • 2.Bf3#
      • 1...Qg1
        • 2.Bf3#
      • 1...Ra4
        • 2.Qxd3#
      • 1...Rc4
        • 2.Qxc4#
      • 1...Rd7
        • 2.Qc4#
      • 1...Bg1
        • 2.Sxg3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 6
  • Sets
    • Q(a);N_GUARD::B(E),XQ(a)
    • Q(a);N_GUARD::B(E)
    • B(b);N_GUARD::S(C),XP(e)
    • P(e);S_CUTQ(a)::B(E)
  • Tries
    • Try
      • S(D);
      • Threat
        • R1(F)
      • Vars
        • Q(a);N_GUARD::B(E)
        • R(j);S_CUTB(g)::QAB1(A),XP(d)
        • R(j);N_GUARD::S(C)
        • B(b);N_GUARD::S(C),XP(e)
        • B(g);P_PINR(F),S_CUTR(j)::S(C)
      • Refutation
        • R(c);
    • Try
      • S(D);
      • Threat
        • R1(F)
      • Vars
        • Q(a);N_GUARD::B(E)
        • R(c);N_GUARD::S(C)
        • B(b);N_GUARD::S(C),XP(e)
        • B(g);N_GUARD,P_PINR(F)::QAR2(A),XB(g)
      • Refutation
        • R(j);
  • Actual
    • S(D);
    • Threat
      • R1(F)
    • Vars
      • Q(a);N_GUARD::B(E)
      • R(c);N_GUARD::QAB1(A),XP(d)
      • R(j);N_GUARD::QAR2(A),XR(j)
      • R(j);N_GUARD::QAR2(A)
      • B(b);N_GUARD::S(C),XP(e)
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