MESON Chess Problem Database

Problem Display
PID: 64426 (1br1N3/8/1r2p3/7R/3k1p2/Np1p4/1PpQ1K2/2n4B w - - 0 1)

Dolginovich, Nikolai Osipovich

2nd Prize, Revista Romana de Sah, 1982

1br1N3/8/1r2p3/7R/3k1p2/Np1p4/1PpQ1K2/2n4B

#2

7 + 10

3752 FIDE Album (1980-1982) 1988

SOLUTION

  • SOUND
  • Sets
    • 1...Rd6
      • 2.Qxf4#
    • 1...Rc3
      • 2.Qxc3#
      • 2.bxc3#
    • 1...Rc7
      • 2.Qxf4#
    • 1...Rd8
      • 2.Qc3#
    • 1...Rxe8
      • 2.Qc3#
    • 1...Ba7
      • 2.Qxf4#
    • 1...Bc7
      • 2.Qc3#
    • 1...f3
      • 2.Qe3#
  • Tries
    • 1.Sb5+?
      • 1...Kc4
        • 2.Qc3#
      • 1...Rxb5!
    • 1.Sc7?
      • threat
        • 2.Qc3#
        • 2.Qxf4#
      • 1...Rxc7
        • 2.Qxf4#
      • 1...Bxc7
        • 2.Qc3#
      • 1...f3
        • 2.Qe3#
        • 2.Qf4#
      • 1...e5
        • 2.Qc3#
      • 1...Rc6
        • 2.Scb5#
        • 2.Qxf4#
      • 1...Rf8
        • 2.Qc3#
      • 1...Sa2
        • 2.Qxf4#
      • 1...Se2!
    • 1.Qb4+?
      • 1...Rc4
        • 2.Qxc4#
      • 1...Rxb4!
  • Keys
    • 1.Rh4!
      • threat
        • 2.Qe3#
      • 1...Kc5
        • 2.Qc3#
      • 1...Ke5
        • 2.Qxf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 7
  • Sets
    • R(g);S_CUTB(i)::QAR2(C),XP(f)
    • R(j);S_CUTB(i)::QAR2(C),XP(f)
    • R(j);N_GUARD::QAB1(C)
    • R(j);N_GUARD,XS(G)::QAB1(C)
    • B(i);N_GUARD::QAR2(C),XP(f)
    • B(i);S_CUTR(j)::QAB1(C)
    • P(f);N_GUARD::QAB1(C)
  • Tries
    • Try
      • S(E);CHECK
      • Vars
        • K(e);N_SPINP(d),P-FLIGHT::QAR1(C)
      • Refutation
        • R(g);XS(E)
    • Try
      • S(G);
      • Threat
        • DUALS(2)
      • Vars
        • R(j);XS(G)::QAR2(C),XP(f)
        • B(i);XS(G)::QAB1(C)
        • P(h);::QAB1(C)
        • R(j);::QAB1(C)
        • S(a);::QAR2(C),XP(f)
      • Refutation
        • S(a);
    • Try
      • Q(C);CHECK,N_PINP(d)
      • Vars
        • R(j);N_GUARD,P_SPINR(j)::QAR1(C),XR(j)
      • Refutation
        • R(g);XQ(C)
  • Actual
    • R(F);
    • Threat
      • QAB1(C)
    • Vars
      • K(e);N_SPINP(d),S_FLIGHT::QAR2(C)
      • K(e);N_SPINP(d),S_FLIGHT::QAB1(C),XP(f)
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