MESON Chess Problem Database
Problem Display
PID: 60633 (Q3b3/3p3B/4pPq1/1p2N1rp/n2k1NpK/1P2R3/r3P3/6B1 w - - 0 1)
Shedey, Sergey Oleksandrovich
2nd HM., 64 Shakhmatnoe obozrenie, 1968
#2
10 + 11
| 3751 | FIDE Album (1968-1970) | 1977 |
SOLUTION
- SOUND
- Sets
- 1...Rxe5
- 2.Rd3#
- 1...Sc3
- 2.Re4#
- 1...d5
- 2.Sxe6#
- 1...d6
- 2.Sxe6#
- 1...Rxe5
- Tries
- 1.Sc6+?
- 1...Kc5
- 2.Rd3#
- 2.Rxe6#
- 1...dxc6!
- 1...Kc5
- 1.Sxd7?
- threat
- 2.Sxe6#
- 2.Rd3#
- 2.Rf3#
- 2.Rg3#
- 2.Rh3#
- 1...Qxf6
- 2.Rd3#
- 2.Rf3#
- 2.Rg3#
- 2.Rh3#
- 2.Qe4#
- 1...Rxe2
- 2.Sxe2#
- 2.Sxe6#
- 2.Rd3#
- 1...Qd3
- 2.Rxd3#
- 1...Qb1
- 2.Sxe6#
- 2.Rd3#
- 1...Qe4
- 2.Rd3#
- 2.Qxe4#
- 1...Qf5
- 2.Rd3#
- 2.Rf3#
- 2.Rg3#
- 2.Rh3#
- 1...Qf7
- 2.Rd3#
- 2.Rf3#
- 2.Rg3#
- 2.Rh3#
- 2.Qe4#
- 1...Qg8
- 2.Rd3#
- 2.Rf3#
- 2.Rg3#
- 2.Rh3#
- 2.Qe4#
- 1...Ra1
- 2.Sxe6#
- 2.Rd3#
- 1...Rd5
- 2.Sxe6#
- 1...Re5
- 2.Rd3#
- 1...Bf7
- 2.Rd3#
- 2.Rf3#
- 2.Rg3#
- 2.Rh3#
- 1...Sc5
- 2.Rd3#
- 2.Rf3#
- 2.Rg3#
- 2.Rh3#
- 1...g3
- 2.Sxe6#
- 2.Rd3#
- 2.Rf3#
- 2.Rxg3#
- 1...e5
- 2.Se6#
- 2.Rd3#
- 2.Rf3#
- 2.Rg3#
- 2.Rh3#
- 2.Qd5#
- 1...Bxd7!
- threat
- 1.Qe4+?
- 1...Kc5
- 2.Rd3#
- 1...Qxe4!
- 1...Kc5
- 1.Qc6?
- threat
- 2.Re4#
- 2.Qd6#
- 1...Rxe5
- 2.Rd3#
- 2.Re4#
- 1...Qe4
- 2.Rxe4#
- 1...Qd3
- 2.Re4#
- 1...Sc3
- 2.Re4#
- 2.Qxc3#
- 2.Qb6#
- 1...Sc5
- 2.Qd6#
- 1...Sb6
- 2.Re4#
- 2.Qc3#
- 2.Qxb6#
- 1...d5
- 2.Sxe6#
- 1...d6
- 2.Sxe6#
- 2.Re4#
- 2.Qxd6#
- 1...dxc6!
- threat
- 1.Qa5?
- threat
- 2.Qb4#
- 1...Kc5
- 2.Rd3#
- 1...Qe4
- 2.Rxe4#
- 1...Qc2
- 2.Re4#
- 1...Qd3
- 2.Re4#
- 1...Sb2
- 2.Qc3#
- 2.Qb6#
- 1...Sb6
- 2.Qc3#
- 2.Qxb6#
- 1...b4
- 2.Qxb4#
- 1...Rc2!
- threat
- 1.Qa7+?
- 1...Sb6
- 2.Qxb6#
- 1...Sc5!
- 1...Sb6
- 1.Sc6+?
- Keys
- 1.Qb8!
- threat
- 2.Qd6#
- 1...Kc5
- 2.Re4#
- 1...Rxe5
- 2.Qxe5#
- 1...Qd3
- 2.Rxd3#
- 1...Qe4
- 2.Rd3#
- 1...Sc3
- 2.Qb6#
- 1...Sb6
- 2.Qxb6#
- 1...d5
- 2.Sxe6#
- 1...d6
- 2.Qxd6#
- threat
- 1.Qb8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 3
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- R(f);SBLOCK,XS(G)::B(A)+R(D),DCHECK
- S(b);SBLOCK::B(A)+R(D),DCHECK
- P(j);N_GUARD::S(E),XP(h)
- Tries
- Try
- S(G);CHECK
- Refutation
- P(j);XS(G)
- Try
- S(G);XP(j)
- Threat
- DUALS(5)
- Vars
- Q(i);::B(A)+R(D),DCHECK,XQ(i)
- R(f);::S(E),XP(h)
- R(f);::B(A)+R(D),DCHECK
- Refutation
- B(k);XS(G)
- Try
- Q(J);CHECK
- Vars
- K(c);S_FLIGHT::B(A)+R(D)
- Refutation
- Q(i);XQ(J)
- Try
- Q(J);
- Threat
- DUALS(2)
- Vars
- Q(i);::B(A)+R(D),DCHECK,XQ(i)
- Q(i);::B(A)+R(D),DCHECK
- S(b);::QAR2(J)
- P(j);N_GUARD::S(E),XP(h)
- Refutation
- P(j);XQ(J)
- Try
- Q(J);
- Threat
- QAR2(J)
- Vars
- K(c);P_SPINP(e),S_FLIGHT::B(A)+R(D)
- Q(i);::B(A)+R(D),DCHECK,XQ(i)
- Q(i);::B(A)+R(D),DCHECK
- P(e);::QAR2(J),XP(e)
- Refutation
- R(a);
- Try
- Q(J);CHECK
- Vars
- S(b);N_GUARD,P_SPINS(b)::QAB(J),XS(b)
- Refutation
- S(b);P_SPINS(b)
- Try
- Actual
- Q(J);
- Threat
- QAR2(J)
- Vars
- K(c);S_FLIGHT::B(A)+R(D)
- R(f);OGATE,XS(G)::QAB1(J),XR(f)
- Q(i);::B(A)+R(D),DCHECK,XQ(i)
- Q(i);::B(A)+R(D),DCHECK
- S(b);N_GUARD::QAB(J)
- S(b);N_GUARD::QAB(J),XS(b)
- P(j);N_GUARD,SBLOCK::S(E),XP(h)
- P(j);::QAR2(J),XP(j)
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).