MESON Chess Problem Database
Problem Display
PID: 111175 (RK5k/Ppp1N1p1/6P1/3P3B/4pp1B/2r5/pq6/rb5R w - - 0 1)
Shedey, Sergey Oleksandrovich
Sachove umeni (Ceskoslovensky sach), 1969
#2
9 + 11
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qc1
- 2.Kxb7#
- 1...Qa3
- 2.Kxb7#
- 1...Qc2
- 2.Kxb7#
- 1...Qd2
- 2.Kxb7#
- 1...Qe2
- 2.Kxb7#
- 1...Qf2
- 2.Kxb7#
- 1...Qg2
- 2.Kxb7#
- 1...Qh2
- 2.Kxb7#
- 1...Ra3
- 2.Kxc7#
- 1...Rb3
- 2.Kxc7#
- 1...Rd3
- 2.Kxc7#
- 1...Re3
- 2.Kxc7#
- 1...Rf3
- 2.Kxc7#
- 1...Rg3
- 2.Kxc7#
- 1...Rh3
- 2.Kxc7#
- 1...b5
- 2.Kb7#
- 1...b6
- 2.Kb7#
- 1...c5
- 2.Kc7#
- 1...c6
- 2.Kc7#
- 1...Qc1
- Tries
- 1.Be1?
- 1...Qc1
- 2.Kxb7#
- 2.Bf3#
- 1...Qa3
- 2.Kxb7#
- 2.Bf3#
- 1...Qc2
- 2.Kxb7#
- 1...Qd2
- 2.Kxb7#
- 1...Qe2
- 2.Kxb7#
- 1...Qf2
- 2.Kxb7#
- 1...Qg2
- 2.Kxb7#
- 1...Qh2
- 2.Kxb7#
- 1...Qb3
- 2.Bf3#
- 1...Qb4
- 2.Bf3#
- 1...Qb5
- 2.Bf3#
- 1...Qb6
- 2.Bf3#
- 1...Rc1
- 2.Be2#
- 1...Rc2
- 2.Be2#
- 1...Ra3
- 2.Kxc7#
- 1...Rb3
- 2.Kxc7#
- 1...Rd3
- 2.Kxc7#
- 1...Re3
- 2.Kxc7#
- 1...Rf3
- 2.Kxc7#
- 1...Rg3
- 2.Kxc7#
- 1...Rh3
- 2.Kxc7#
- 1...Rc4
- 2.Be2#
- 1...Rc5
- 2.Be2#
- 1...Rc6
- 2.Be2#
- 1...Bc2
- 2.Bf3#
- 1...Bd3
- 2.Be2#
- 1...e3
- 2.Be2#
- 1...b5
- 2.Kb7#
- 1...b6
- 2.Kb7#
- 1...c5
- 2.Kc7#
- 1...c6
- 2.Kc7#
- 1...f3!
- 1...Qc1
- 1.Bf2?
- threat
- 2.Bf3#
- 1...Qxf2
- 2.Kxb7#
- 1...Qc1
- 2.Kxb7#
- 1...Rc1
- 2.Bd1#
- 1...Rf3
- 2.Kxc7#
- 2.Bxf3#
- 1...Rg3
- 2.Kxc7#
- 1...Rh3
- 2.Kxc7#
- 1...Bd3
- 2.Bd1#
- 1...f3
- 2.Bxf3#
- 2.Bg4#
- 1...Bc2!
- threat
- 1.Be2?
- threat
- 2.Bg3#
- 1...Qxe2
- 2.Kxb7#
- 1...Rc1
- 2.Be1#
- 1...Qc1
- 2.Kxb7#
- 1...Rg3
- 2.Kxc7#
- 2.Bxg3#
- 1...Rh3
- 2.Kxc7#
- 1...Bd3
- 2.Be1#
- 1...Bc2!
- threat
- 1.Be1?
- Keys
- 1.Bd1!
- 1...Rc1
- 2.Bf2#
- 1...Qc1
- 2.Kxb7#
- 2.Bg3#
- 1...Qa3
- 2.Kxb7#
- 2.Bg3#
- 1...Qc2
- 2.Kxb7#
- 1...Qd2
- 2.Kxb7#
- 1...Qe2
- 2.Kxb7#
- 1...Qf2
- 2.Kxb7#
- 1...Qg2
- 2.Kxb7#
- 1...Qh2
- 2.Kxb7#
- 1...Qb3
- 2.Bg3#
- 1...Qb4
- 2.Bg3#
- 1...Qb5
- 2.Bg3#
- 1...Qb6
- 2.Bg3#
- 1...Rc2
- 2.Bf2#
- 1...Ra3
- 2.Kxc7#
- 1...Rb3
- 2.Kxc7#
- 1...Rd3
- 2.Kxc7#
- 1...Re3
- 2.Kxc7#
- 1...Rf3
- 2.Kxc7#
- 1...Rg3
- 2.Kxc7#
- 1...Rh3
- 2.Kxc7#
- 1...Rc4
- 2.Bf2#
- 1...Rc5
- 2.Bf2#
- 1...Rc6
- 2.Bf2#
- 1...Bc2
- 2.Bg3#
- 1...Bd3
- 2.Bf2#
- 1...e3
- 2.Bf2#
- 1...f3
- 2.Bf2#
- 1...b5
- 2.Kb7#
- 1...b6
- 2.Kb7#
- 1...c5
- 2.Kc7#
- 1...c6
- 2.Kc7#
- 1...Rc1
- 1.Bd1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 13
- REMOVED MATES = 2
- Sets
- Q(d);::R(H)+K(I),XP(h)
- R(e);::R(H)+K(I),XP(i)
- P(h);::R(H)+K(I)
- P(i);::R(H)+K(I)
- Tries
- Try
- B(B);
- Vars
- Q(d);::R(H)+K(I),XP(h)
- Q(d);N_GUARD::R(A)+B(D)
- R(e);N_GUARD::R(A)+B(D)
- R(e);::R(H)+K(I),XP(i)
- B(b);S_CUTQ(d)::R(A)+B(D)
- B(b);S_CUTR(e)::R(A)+B(D)
- P(f);S_CUTR(e)::R(A)+B(D)
- P(h);::R(H)+K(I)
- P(i);::R(H)+K(I)
- Refutation
- P(g);
- Try
- B(B);
- Threat
- R(A)+B(D)
- Vars
- Q(d);XB(B)::R(H)+K(I),XP(h)
- Q(d);::R(H)+K(I),XP(h)
- R(e);N_GUARD::R(A)+B(D)
- R(e);::R(H)+K(I),XP(i)
- B(b);S_CUTR(e)::R(A)+B(D)
- Refutation
- B(b);
- Try
- B(D);
- Threat
- R(A)+B(B)
- Vars
- Q(d);XB(D)::R(H)+K(I),XP(h)
- R(e);N_GUARD::R(A)+B(B)
- Q(d);::R(H)+K(I),XP(h)
- R(e);::R(H)+K(I),XP(i)
- B(b);S_CUTR(e)::R(A)+B(B)
- Refutation
- B(b);
- Try
- Actual
- B(D);
- Vars
- R(e);N_GUARD::R(A)+B(B)
- Q(d);::R(H)+K(I),XP(h)
- Q(d);N_GUARD::R(A)+B(B)
- R(e);::R(H)+K(I),XP(i)
- B(b);S_CUTQ(d)::R(A)+B(B)
- B(b);S_CUTR(e)::R(A)+B(B)
- P(f);S_CUTR(e)::R(A)+B(B)
- P(g);S_CUTR(e)::R(A)+B(B)
- P(h);::R(H)+K(I)
- P(i);::R(H)+K(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).