MESON Chess Problem Database
Problem Display
PID: 268532 (5Bb1/1r1B4/4p2K/3kNp2/1n1N3R/1Pp1R3/4P3/1Qn5 w - - 0 1)
Fyodorov, Anton Anatolevich
Svyatov, Gennadi
1/3 Prize, 64 Shakhmatnoe obozrenie, 2002
#2
10 + 8
| 6490 | yacpdb | 2023 |
SOLUTION
- SOUND
- Sets
- 1...Bh7
- 2.Bxe6#
- 1...Sca2
- 2.Qh1#
- 1...Sxe2
- 2.Qh1#
- 1...Sxb3
- 2.Qh1#
- 2.Qxb3#
- 1...Scd3
- 2.Qh1#
- 1...Sba2
- 2.Bc6#
- 1...Sc2
- 2.Bc6#
- 1...Sbd3
- 2.Bc6#
- 1...Sa6
- 2.Bc6#
- 1...Sc6
- 2.Bxc6#
- 1...f4
- 2.Qe4#
- 1...Bh7
- Tries
- 1.Sc2?
- threat
- 2.Rd4#
- 1...Sxe2
- 2.Qh1#
- 1...Sxb3
- 2.Qh1#
- 2.Qxb3#
- 1...Sxc2
- 2.Bc6#
- 1...Sc6
- 2.Bxc6#
- 1...f4!
- threat
- 1.Sdf3?
- threat
- 2.Rd4#
- 1...Sxb3
- 2.Qxb3#
- 1...Sc2
- 2.Bc6#
- 1...Sc6
- 2.Bxc6#
- 1...f4
- 2.Qe4#
- 1...Sxe2!
- threat
- 1.Sb5?
- threat
- 2.Sxc3#
- 2.Rd4#
- 1...Sxe2
- 2.Qh1#
- 1...Sxb3
- 2.Sxc3#
- 2.Qh1#
- 2.Qxb3#
- 1...Rc7
- 2.Sxc7#
- 2.Rd4#
- 1...Sca2
- 2.Rd4#
- 2.Qh1#
- 1...Sba2
- 2.Bc6#
- 2.Rd4#
- 1...Sc2
- 2.Sxc3#
- 2.Bc6#
- 1...Sc6
- 2.Sxc3#
- 2.Bxc6#
- 1...c2
- 2.Sc3#
- 2.Rd4#
- 1...f4
- 2.Qe4#
- 1...Rxb5!
- threat
- 1.Sxf5?
- threat
- 2.Rd4#
- 2.Qe4#
- 1...Sxe2
- 2.Qe4#
- 2.Qh1#
- 1...Sxb3
- 2.Qe4#
- 2.Qh1#
- 2.Qxb3#
- 1...Scd3
- 2.Rd4#
- 2.Qh1#
- 1...Sc2
- 2.Bc6#
- 1...Sbd3
- 2.Bc6#
- 2.Rd4#
- 1...Sc6
- 2.Bxc6#
- 2.Qe4#
- 1...c2
- 2.Rd4#
- 1...exf5!
- threat
- 1.Sdc6?
- threat
- 2.Rd4#
- 1...Sxe2
- 2.Qh1#
- 1...Sxb3
- 2.Qh1#
- 2.Qxb3#
- 1...Sxc6
- 2.Bxc6#
- 1...f4
- 2.Qe4#
- 1...Sc2!
- threat
- 1.Sd3?
- threat
- 2.Re5#
- 1...Sxb3
- 2.Qxb3#
- 1...Scxd3
- 2.Qh1#
- 1...Sbxd3
- 2.Bc6#
- 1...Sc6
- 2.Bxc6#
- 1...e5
- 2.Rxe5#
- 1...f4!
- threat
- 1.Sef3?
- threat
- 2.Re5#
- 1...Sxb3
- 2.Qxb3#
- 1...Sbd3
- 2.Bc6#
- 1...Sc6
- 2.Bxc6#
- 1...e5
- 2.Rxe5#
- 1...Scd3!
- threat
- 1.Sc4?
- threat
- 2.Re5#
- 1...f4
- 2.Qe4#
- 1...Scd3
- 2.Qh1#
- 1...Sbd3
- 2.Bc6#
- 1...Sc6
- 2.Bxc6#
- 1...e5
- 2.Rxe5#
- 1...Sxb3!
- threat
- 1.Sec6?
- threat
- 2.Re5#
- 1...Sxb3
- 2.Qxb3#
- 1...Sxc6
- 2.Bxc6#
- 1...Scd3
- 2.Qh1#
- 1...e5
- 2.Rxe5#
- 1...Sbd3!
- threat
- 1.Sf7?
- threat
- 2.Bxe6#
- 2.Re5#
- 1...Rxd7
- 2.Re5#
- 1...Sxb3
- 2.Bxe6#
- 2.Qxb3#
- 1...f4
- 2.Qe4#
- 1...Rb6
- 2.Re5#
- 1...Scd3
- 2.Bxe6#
- 2.Qh1#
- 1...Sbd3
- 2.Bc6#
- 2.Bxe6#
- 1...Sc6
- 2.Bxc6#
- 2.Bxe6#
- 1...e5
- 2.Be6#
- 2.Rxe5#
- 1...Bxf7!
- threat
- 1.Qxf5?
- threat
- 2.Qe4#
- 2.Qf3#
- 1...Bh7
- 2.Bxe6#
- 2.Qxe6#
- 1...exf5!
- threat
- 1.Sc2?
- Keys
- 1.Sg6!
- threat
- 2.Re5#
- 1...Sxb3
- 2.Qxb3#
- 1...f4
- 2.Qe4#
- 1...Scd3
- 2.Qh1#
- 1...Sbd3
- 2.Bc6#
- 1...Sc6
- 2.Bxc6#
- 1...e5
- 2.Rxe5#
- threat
- 1.Sg6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 6
- Sets
- B(h);N_GUARD::B(I),XP(f)
- S(a);OGATE::QAB(A)
- S(a);OGATE,XP(B)::QAB(A)
- S(c);N_GUARD::B(I)
- S(c);N_GUARD::B(I),XS(c)
- P(e);N_GUARD::QAB1(A)
- Tries
- Try
- S(E);
- Threat
- R1(F)
- Vars
- S(a);OGATE,XP(B)::QAB(A)
- S(c);N_GUARD,XS(E)::B(I)
- S(c);N_GUARD::B(I),XS(c)
- Refutation
- P(e);
- Try
- S(E);
- Threat
- R1(F)
- Vars
- S(a);OGATE,XP(C)::QAB(A),XS(a)
- S(c);N_GUARD::B(I)
- S(c);N_GUARD::B(I),XS(c)
- P(e);N_GUARD::QAB1(A)
- Refutation
- S(a);XP(B)
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- S(a);OGATE,XP(B)::QAB(A)
- P(e);N_GUARD::QAB1(A)
- Refutation
- R(g);XS(E)
- Try
- S(E);XP(e)
- Threat
- DUALS(2)
- Vars
- S(c);N_GUARD::B(I)
- P(b);::R1(F)
- Refutation
- P(f);XS(E)
- Try
- S(E);
- Threat
- R1(F)
- Vars
- S(a);OGATE,XP(B)::QAB(A)
- S(c);OGATE,XS(E)::B(I),XS(c)
- P(e);N_GUARD::QAB1(A)
- Refutation
- S(c);
- Try
- S(G);
- Threat
- R1(D)
- Vars
- S(a);OGATE,XP(C)::QAB(A),XS(a)
- S(a);OGATE,XS(G)::QAB(A)
- S(c);N_GUARD,XS(G)::B(I)
- S(c);N_GUARD::B(I),XS(c)
- P(f);::R1(D),XP(f)
- Refutation
- P(e);
- Try
- S(G);
- Threat
- R1(D)
- Vars
- S(a);OGATE,XP(C)::QAB(A),XS(a)
- S(c);N_GUARD::B(I)
- S(c);N_GUARD::B(I),XS(c)
- P(f);::R1(D),XP(f)
- Refutation
- S(a);
- Try
- S(G);
- Threat
- R1(D)
- Vars
- P(e);N_GUARD::QAB1(A)
- S(a);OGATE::QAB(A)
- S(c);N_GUARD::B(I)
- S(c);N_GUARD::B(I),XS(c)
- P(f);::R1(D),XP(f)
- Refutation
- S(a);XP(C)
- Try
- S(G);
- Threat
- R1(D)
- Vars
- S(a);OGATE,XP(C)::QAB(A),XS(a)
- S(c);OGATE,XS(G)::B(I),XS(c)
- S(a);OGATE::QAB(A)
- P(f);::R1(D),XP(f)
- Refutation
- S(c);
- Try
- S(G);
- Threat
- DUALS(2)
- Vars
- R(g);XB(I)::R1(D)
- P(e);N_GUARD::QAB1(A)
- R(g);::R1(D)
- Refutation
- B(h);XS(G)
- Try
- Q(A);XP(e)
- Threat
- DUALS(2)
- Refutation
- P(f);XQ(A)
- Try
- Actual
- S(G);
- Threat
- R1(D)
- Vars
- S(a);OGATE,XP(C)::QAB(A),XS(a)
- P(e);N_GUARD::QAB1(A)
- S(a);OGATE::QAB(A)
- S(c);N_GUARD::B(I)
- S(c);N_GUARD::B(I),XS(c)
- P(f);::R1(D),XP(f)
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).