MESON Chess Problem Database
Problem Display
PID: 29669 (bK6/1n1k1P2/R3n1N1/2PNppQp/1b5q/B4r2/4r1B1/2R5 w - - 0 1)
Ivanov, Nikolai
2/3 Prize, Barulin-100 MT, 1999
#2
10 + 11
SOLUTION
- SOUND
- Sets
- 1...Qe1
- 2.Qe7#
- 1...Qf2
- 2.Qe7#
- 1...Qg3
- 2.Qe7#
- 1...Qh1
- 2.Qe7#
- 1...Qh2
- 2.Qe7#
- 1...Qh3
- 2.Qe7#
- 1...Qc4
- 2.Qe7#
- 1...Qd4
- 2.Qe7#
- 1...Qe4
- 2.Qe7#
- 1...Qf4
- 2.Qe7#
- 1...Qg4
- 2.Qe7#
- 1...Ra2
- 2.Sxe5#
- 1...Rb2
- 2.Sxe5#
- 1...Rc2
- 2.Sxe5#
- 1...Rd2
- 2.Sxe5#
- 1...Ref2
- 2.Sxe5#
- 1...Rxg2
- 2.Sxe5#
- 1...Rf1
- 2.Sb6#
- 1...Rff2
- 2.Sb6#
- 1...Rxa3
- 2.Sb6#
- 1...Rb3
- 2.Sb6#
- 1...Rc3
- 2.Sb6#
- 1...Rd3
- 2.Sb6#
- 1...Re3
- 2.Sb6#
- 1...Rg3
- 2.Sb6#
- 1...Rh3
- 2.Sb6#
- 1...Rf4
- 2.Sb6#
- 1...Be1
- 2.c6#
- 1...Bd2
- 2.c6#
- 1...Bc3
- 2.c6#
- 1...Ba5
- 2.c6#
- 1...Sd4
- 2.Sf8#
- 1...Sf4
- 2.Sf8#
- 1...Sexc5
- 2.Sf8#
- 1...Sc7
- 2.Sf8#
- 1...Sg7
- 2.Sf8#
- 1...Sed8
- 2.Sf6#
- 2.Sf8#
- 1...Sf8
- 2.Sxf8#
- 1...Sa5
- 2.Rd6#
- 1...Sd6
- 2.Rxd6#
- 1...Sbd8
- 2.Sf6#
- 2.Rd6#
- 1...e4
- 2.Se5#
- 1...Qe1
- Tries
- 1.f8Q?
- threat
- 2.Sf6#
- 2.Qfe7#
- 2.Qf7#
- 2.Qc8#
- 2.c6#
- 1...Qxg5
- 2.Qc8#
- 2.c6#
- 1...Bxc5
- 2.Sf6#
- 2.Qc8#
- 1...Sexc5
- 2.Sf6#
- 2.Qfe7#
- 2.Qf7#
- 2.Qc8#
- 1...Sxg5
- 2.Sf6#
- 2.Qe7#
- 2.Qc8#
- 1...Sbxc5
- 2.Sf6#
- 2.Rd6#
- 2.Qfe7#
- 2.Qf7#
- 2.Qc8#
- 1...Qc4
- 2.Sf6#
- 2.Qge7#
- 2.Qfe7#
- 2.Qf7#
- 2.Qc8#
- 1...Rc2
- 2.Sf6#
- 2.Sxe5#
- 2.Qfe7#
- 2.Qf7#
- 2.Qc8#
- 1...Rc3
- 2.Sb6#
- 2.Sf6#
- 2.Qfe7#
- 2.Qf7#
- 2.Qc8#
- 1...Sd4
- 2.Sf6#
- 2.Qfe7#
- 2.Qf7#
- 2.Qc8#
- 1...Sf4
- 2.Sf6#
- 2.Qfe7#
- 2.Qf7#
- 2.Qc8#
- 1...Sc7
- 2.Sf6#
- 2.Qfe7#
- 2.Qf7#
- 2.Qc8#
- 1...Sg7
- 2.Sf6#
- 2.Qfe7#
- 2.Qf7#
- 2.Qc8#
- 1...Sed8
- 2.Sf6#
- 2.Qfe7#
- 1...Sa5
- 2.Sf6#
- 2.Rd6#
- 2.Qfe7#
- 2.Qf7#
- 2.Qc8#
- 1...Sd6
- 2.Sf6#
- 2.Rxd6#
- 2.Qfe7#
- 1...Sbd8
- 2.Sf6#
- 2.Rd6#
- 2.Qfe7#
- 1...Sxf8!
- threat
- 1.f8Q?
- Keys
- 1.Rd1!
- threat
- 2.Sf6#
- 1...Qd4
- 2.Qe7#
- 1...Rd2
- 2.Sxe5#
- 1...Rd3
- 2.Sb6#
- 1...Bd2
- 2.c6#
- 1...Sd4
- 2.Sf8#
- 1...Sd6
- 2.Rxd6#
- threat
- 1.Rd1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 34
- Sets
- Q(d);N_GUARD::QAR1(F)
- R(a);N_GUARD::S(H),XP(e)
- R(a);N_GUARD,XB(B)::S(H),XP(e)
- R(b);::S(E)
- R(b);XB(C)::S(E)
- B(c);::P(D)
- S(h);N_GUARD::S(H)
- S(h);N_GUARD,XP(D)::S(H)
- S(h);N_GUARD::S(H),XS(h)
- S(i);N_GUARD::R1(G)
- S(i);N_GUARD::R1(G),XS(i)
- P(e);S_CUTR(a)::S(H)
- Tries
- Try
- P(I);
- Threat
- DUALS(5)
- Refutation
- S(h);XQ(I)
- Try
- Actual
- R(A);
- Threat
- R(A)+S(E),DCHECK
- Vars
- Q(d);N_GUARD::QAR1(F)
- R(a);N_GUARD::S(H),XP(e)
- R(b);::S(E)
- B(c);::P(D)
- S(h);N_GUARD::S(H)
- S(i);N_GUARD::R1(G),XS(i)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).