MESON Chess Problem Database
Problem Display
PID: 190245 (3bb3/1K1p4/8/1pRN4/1BpkpQ2/2n1np2/2P1PP2/6q1 w - - 0 1)
Antonov, Yuri Mikhailovich
Suomen Shakki, 1982
#2
8 + 11
SOLUTION
- SOUND
- Sets
- 1...Qh2
- 2.fxe3#
- 1...Qa1
- 2.fxe3#
- 1...Qb1
- 2.fxe3#
- 1...Qd1
- 2.fxe3#
- 1...Qe1
- 2.fxe3#
- 1...Qf1
- 2.fxe3#
- 1...Qh1
- 2.fxe3#
- 1...Qg2
- 2.fxe3#
- 1...Qg3
- 2.fxe3#
- 1...Qg4
- 2.fxe3#
- 1...Qg5
- 2.fxe3#
- 1...Qg6
- 2.fxe3#
- 1...Qg7
- 2.fxe3#
- 1...Qg8
- 2.fxe3#
- 1...Ba5
- 2.Qf6#
- 1...Bb6
- 2.Qf6#
- 1...Bf6
- 2.Qxf6#
- 1...Qh2
- Tries
- 1.Sxc3?
- threat
- 2.Sxb5#
- 2.Qxe3#
- 2.Qe5#
- 2.Qxe4#
- 1...Qxf2
- 2.Sxb5#
- 2.Qe5#
- 2.Qxe4#
- 1...Sxc2
- 2.Sxb5#
- 2.Rd5#
- 2.Qd2#
- 2.Qe5#
- 2.Qd6#
- 2.Qxe4#
- 1...Qh2
- 2.Sxb5#
- 2.Qxe3#
- 2.Qxe4#
- 2.fxe3#
- 1...Qc1
- 2.Sxb5#
- 2.Qe5#
- 2.Qxe4#
- 1...Qg3
- 2.Sxb5#
- 2.Qxe3#
- 2.Qxe4#
- 2.fxe3#
- 1...Qg4
- 2.Sxb5#
- 2.Qxe3#
- 2.Qe5#
- 2.fxe3#
- 1...Qg5
- 2.Sxb5#
- 2.Qxe4#
- 2.fxe3#
- 1...Qg6
- 2.Sxb5#
- 2.Qxe3#
- 2.Qe5#
- 2.fxe3#
- 1...Qg7
- 2.Sxb5#
- 2.Qxe3#
- 2.Qxe4#
- 2.fxe3#
- 1...Bg5
- 2.Sxb5#
- 2.Qe5#
- 2.Qxe4#
- 1...Bf6
- 2.Sxb5#
- 2.Qxe3#
- 2.Qxe4#
- 2.Qxf6#
- 1...Bc7
- 2.Sxb5#
- 2.Qxe3#
- 2.Qxe4#
- 1...Bg6
- 2.Sxb5#
- 2.Qxe3#
- 2.Qe5#
- 1...Sd1
- 2.Sxb5#
- 2.Rd5#
- 2.Qd2#
- 2.Qe5#
- 2.Qd6#
- 2.Qxe4#
- 1...Sf1
- 2.Sxb5#
- 2.Rd5#
- 2.Qe5#
- 2.Qd6#
- 2.Qxe4#
- 1...Sg2
- 2.Sxb5#
- 2.Rd5#
- 2.Qd2#
- 2.Qe5#
- 2.Qd6#
- 2.Qxe4#
- 1...Sg4
- 2.Sxb5#
- 2.Rd5#
- 2.Qd2#
- 2.Qd6#
- 2.Qxe4#
- 1...Sd5
- 2.Sxb5#
- 2.Rxd5#
- 2.Qxe4#
- 1...Sf5
- 2.Sxb5#
- 2.Rd5#
- 2.Qd2#
- 2.Qe5#
- 2.Qxe4#
- 1...d6
- 2.Qxe3#
- 2.Qxe4#
- 1...d5!
- threat
- 1.Sxe3?
- threat
- 2.Sf5#
- 2.Qe5#
- 1...Qxf2
- 2.Sf5#
- 1...Qh2
- 2.Sf5#
- 1...Qg3
- 2.Sf5#
- 1...Qg4
- 2.Qe5#
- 1...Qg6
- 2.Qe5#
- 1...Qg7
- 2.Sf5#
- 1...Bf6
- 2.Sf5#
- 2.Qxf6#
- 1...Bc7
- 2.Sf5#
- 1...Bg6
- 2.Qe5#
- 1...Sd5
- 2.Sf5#
- 2.Rxd5#
- 1...d5
- 2.Sf5#
- 1...d6
- 2.Sf5#
- 1...Qg5!
- threat
- 1.Sc7?
- threat
- 2.Qxe3#
- 2.Qe5#
- 1...Qxf2
- 2.Qe5#
- 1...Bxc7
- 2.Qxe3#
- 1...Sxc2
- 2.Qd2#
- 2.Qe5#
- 1...d5
- 2.Se6#
- 1...Qh2
- 2.Qxe3#
- 2.fxe3#
- 1...Qc1
- 2.Qe5#
- 1...Qg3
- 2.Qxe3#
- 2.fxe3#
- 1...Qg5
- 2.fxe3#
- 1...Qg7
- 2.Qxe3#
- 2.fxe3#
- 1...Bg5
- 2.Qe5#
- 1...Bf6
- 2.Qxe3#
- 2.Qxf6#
- 1...Scd1
- 2.Sxb5#
- 2.Qe5#
- 1...Scd5
- 2.Sxb5#
- 1...Sed1
- 2.Qd2#
- 2.Qe5#
- 1...Sf1
- 2.Qe5#
- 1...Sg2
- 2.Qd2#
- 2.Qe5#
- 1...Sg4
- 2.Qd2#
- 1...Sf5
- 2.Qd2#
- 2.Qe5#
- 1...d6
- 2.Se6#
- 2.Qxe3#
- 1...Sed5!
- threat
- 1.Se7?
- threat
- 2.Qxe3#
- 2.Qe5#
- 2.Qf6#
- 1...Qxf2
- 2.Qe5#
- 2.Qf6#
- 1...Bxe7
- 2.Qxe3#
- 2.Qe5#
- 1...Sxc2
- 2.Sf5#
- 2.Qd2#
- 2.Qe5#
- 2.Qf6#
- 1...Sed5
- 2.Sf5#
- 1...Qh2
- 2.Qxe3#
- 2.fxe3#
- 1...Qc1
- 2.Qe5#
- 2.Qf6#
- 1...Qg3
- 2.Qxe3#
- 2.fxe3#
- 1...Qg5
- 2.fxe3#
- 1...Qg6
- 2.Qxe3#
- 2.Qe5#
- 2.fxe3#
- 1...Qg7
- 2.Qxe3#
- 2.fxe3#
- 1...Bc7
- 2.Qxe3#
- 1...Scd1
- 2.Qe5#
- 2.Qf6#
- 1...Sed1
- 2.Sf5#
- 2.Qd2#
- 2.Qe5#
- 2.Qf6#
- 1...Sf1
- 2.Sf5#
- 2.Qe5#
- 2.Qf6#
- 1...Sg2
- 2.Sf5#
- 2.Qd2#
- 2.Qe5#
- 2.Qf6#
- 1...Sg4
- 2.Sf5#
- 2.Qd2#
- 1...Sf5
- 2.Sxf5#
- 2.Qd2#
- 2.Qe5#
- 1...d5
- 2.Qf6#
- 1...d6
- 2.Qxe3#
- 2.Qf6#
- 1...Scd5!
- threat
- 1.Sxc3?
- Keys
- 1.Qd6!
- threat
- 2.Bxc3#
- 1...Sxe2
- 2.Sxe3#
- 1...Scxd5
- 2.c3#
- 1...Sexd5
- 2.e3#
- 1...Qa1
- 2.fxe3#
- 1...Qe1
- 2.fxe3#
- 1...Ba5
- 2.Qf6#
- 1...Sb1
- 2.Sxe3#
- 1...Scd1
- 2.Sxe3#
- 1...Sa2
- 2.Sxe3#
- 1...Sa4
- 2.Sxe3#
- 1...Sed1
- 2.Sxc3#
- threat
- 1.Qd6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 8
- REMOVED MATES = 14
- Sets
- Q(a);N_GUARD::P(C),XS(c)
- B(j);N_GUARD::QAB(E)
- B(j);N_GUARD::QAB(E),XB(j)
- Tries
- Try
- S(G);XS(b)
- Threat
- DUALS(4)
- Refutation
- P(i);
- Try
- S(G);XS(c)
- Threat
- DUALS(2)
- Vars
- Q(a);XP(C)::S(G)
- Q(a);::S(G)
- Q(a);::QAB1(E)
- B(j);::S(G)
- B(k);::QAB1(E)
- P(i);::S(G)
- Refutation
- Q(a);
- Try
- S(G);
- Threat
- DUALS(2)
- Vars
- Q(a);XP(C)::QAB1(E)
- B(j);XS(G)::QAB1(E),XS(c)
- P(i);N_GUARD::S(G)
- Q(a);::QAB1(E)
- Q(a);N_GUARD::P(C),XS(c)
- B(j);::QAB1(E)
- S(b);N_GUARD::S(G),XP(h)
- S(c);::QAB1(E)
- S(c);OGATE::QAR2(E)
- Refutation
- S(c);
- Try
- S(G);
- Threat
- DUALS(3)
- Vars
- S(c);N_GUARD::S(G)
- Q(a);N_GUARD::P(C),XS(c)
- B(j);::QAB1(E),XS(c)
- P(i);::QAB(E)
- Refutation
- S(b);
- Try
- Actual
- Q(E);N_PINP(g)
- Threat
- B(D),XS(b)
- Vars
- S(b);N_GUARD,XP(B)::QAR(E)+S(G),XS(c)
- S(b);OGATE,P_SPINS(b),XS(G)::P(A)
- S(c);OGATE,P_SPINS(c),XS(G)::P(B)
- Q(a);N_GUARD::P(C),XS(c)
- B(j);N_GUARD::QAB(E)
- S(b);N_GUARD::QAR(E)+S(G),XS(c)
- S(c);N_GUARD::QAR(E)+S(G),XS(b)
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).