MESON Chess Problem Database
Problem Display
PID: 111165 (8/3B4/3P1P2/B2PkP2/R3N2R/2p1N1P1/2PnK3/1n1Q4 w - - 0 1)
Shedey, Sergey Oleksandrovich
Komsomolsky Prapor, 1974
#2
14 + 4
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Sa3
- 2.Bxc3#
- 1...Sf1
- 2.Sc4#
- 2.Sg4#
- 2.Qd4#
- 1...Sb3
- 2.Sc4#
- 2.Sg4#
- 1...Sf3
- 2.Sc4#
- 2.Sg4#
- 1...Sc4
- 2.Sxc4#
- 1...Sa3
- Tries
- 1.Kf2?
- 1...Sa3
- 2.Bxc3#
- 1...Sf1
- 2.Sc4#
- 2.Sg4#
- 2.Qd4#
- 1...Sb3
- 2.Sc4#
- 2.Sg4#
- 1...Sf3
- 2.Sc4#
- 2.Sg4#
- 1...Sc4
- 2.Sxc4#
- 1...Sxe4+!
- 1...Sa3
- 1.Bb6?
- threat
- 2.Bd4#
- 1...Sb3
- 2.Sc4#
- 2.Sg4#
- 1...Sf3
- 2.Sc4#
- 2.Sg4#
- 1...Sxe4!
- threat
- 1.Bc7?
- 1...Sxe4
- 2.Sg4#
- 2.Qd4#
- 1...Sf1
- 2.Sc4#
- 2.Sg4#
- 2.Qd4#
- 1...Sb3
- 2.Sc4#
- 2.Sg4#
- 1...Sf3
- 2.Sc4#
- 2.Sg4#
- 1...Sc4
- 2.Sxc4#
- 1...Sa3!
- 1...Sxe4
- 1.Bd8?
- 1...Sxe4
- 2.Sc4#
- 1...Sf1
- 2.Sc4#
- 2.Sg4#
- 2.Qd4#
- 1...Sb3
- 2.Sc4#
- 2.Sg4#
- 1...Sf3
- 2.Sc4#
- 2.Sg4#
- 1...Sc4
- 2.Sxc4#
- 1...Sa3!
- 1...Sxe4
- 1.Be6?
- threat
- 2.Sg4#
- 1...Sc4
- 2.Sxc4#
- 1...Sxe4!
- threat
- 1.Bc8?
- 1...Sa3
- 2.Bxc3#
- 1...Sf1
- 2.Sc4#
- 2.Sg4#
- 2.Qd4#
- 1...Sb3
- 2.Sc4#
- 2.Sg4#
- 1...Sf3
- 2.Sc4#
- 2.Sg4#
- 1...Sc4
- 2.Sxc4#
- 1...Sxe4!
- 1...Sa3
- 1.Rc4?
- 1...Sxc4
- 2.Sxc4#
- 1...Sa3
- 2.Bxc3#
- 1...Sf1
- 2.Sg4#
- 2.Qd4#
- 1...Sb3
- 2.Sg4#
- 1...Sf3
- 2.Sg4#
- 1...Sxe4!
- 1...Sxc4
- 1.Rf4?
- 1...Sa3
- 2.Bxc3#
- 1...Sf1
- 2.Sc4#
- 2.Sg4#
- 2.Qd4#
- 1...Sb3
- 2.Sc4#
- 2.Sg4#
- 1...Sf3
- 2.Sc4#
- 2.Sg4#
- 1...Sc4
- 2.Sxc4#
- 2.Sg4#
- 1...Sxe4!
- 1...Sa3
- 1.Rg4?
- 1...Sa3
- 2.Bxc3#
- 1...Sf1
- 2.Sc4#
- 2.Qd4#
- 1...Sb3
- 2.Sc4#
- 1...Sf3
- 2.Sc4#
- 1...Sc4
- 2.Sxc4#
- 1...Sxe4!
- 1...Sa3
- 1.Rh6?
- 1...Sxe4
- 2.Sc4#
- 1...Sa3
- 2.Bxc3#
- 1...Sf1
- 2.Sg4#
- 2.Qd4#
- 1...Sb3
- 2.Sg4#
- 1...Sf3
- 2.Sg4#
- 1...Sc4!
- 1...Sxe4
- 1.Qxd2?
- threat
- 2.Sc4#
- 2.Sg4#
- 2.Qd4#
- 1...Sxd2
- 2.Bxc3#
- 1...Sa3
- 2.Sg4#
- 2.Bxc3#
- 2.Qxc3#
- 2.Qd4#
- 1...cxd2!
- threat
- 1.f7?
- 1...Sa3
- 2.Bxc3#
- 1...Sf1
- 2.Sc4#
- 2.Sg4#
- 2.Qd4#
- 1...Sb3
- 2.Sc4#
- 2.Sg4#
- 1...Sf3
- 2.Sc4#
- 2.Sg4#
- 1...Sc4
- 2.Sxc4#
- 1...Sxe4!
- 1...Sa3
- 1.Kf2?
- Keys
- 1.Bb4!
- 1...Kd4
- 2.Bxc3#
- 1...Sxe4
- 2.Sg4#
- 1...Sa3
- 2.Bxc3#
- 1...Sf1
- 2.Sc4#
- 1...Sb3
- 2.Sc4#
- 1...Sf3
- 2.Sc4#
- 1...Sc4
- 2.Sxc4#
- 1...Kd4
- 1.Bb4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 0
- Sets
- S(a);N_GUARD::B(I),XP(c)
- S(b);N_GUARD::S(D),XS(b)
- Tries
- Try
- K(C);P-FLIGHT
- Vars
- S(a);N_GUARD::B(I),XP(c)
- S(b);N_GUARD::S(D),XS(b)
- Refutation
- S(b);CHECK,XS(G)
- Try
- B(I);
- Threat
- B(I)
- Refutation
- S(b);XS(G)
- Try
- B(I);
- Vars
- S(b);N_GUARD::S(D),XS(b)
- Refutation
- S(a);
- Try
- B(I);
- Vars
- S(b);N_GUARD,XS(G)::S(D)
- S(b);N_GUARD::S(D),XS(b)
- Refutation
- S(a);
- Try
- B(N);
- Threat
- S(D)
- Vars
- S(b);N_GUARD::S(D),XS(b)
- Refutation
- S(b);XS(G)
- Try
- B(N);
- Vars
- S(a);N_GUARD::B(I),XP(c)
- S(b);N_GUARD::S(D),XS(b)
- Refutation
- S(b);XS(G)
- Try
- R(F);
- Vars
- S(b);XR(F)::S(D),XS(b)
- S(a);N_GUARD::B(I),XP(c)
- S(b);::S(D)
- Refutation
- S(b);XS(G)
- Try
- R(H);
- Vars
- S(a);N_GUARD::B(I),XP(c)
- Refutation
- S(b);XS(G)
- Try
- R(H);
- Vars
- S(a);N_GUARD::B(I),XP(c)
- S(b);N_GUARD::S(D)
- S(b);N_GUARD::S(D),XS(b)
- Refutation
- S(b);XS(G)
- Try
- R(H);
- Vars
- S(b);N_GUARD,SBLOCK,XS(G)::S(D)
- S(a);N_GUARD::B(I),XP(c)
- S(b);::S(D)
- Refutation
- S(b);
- Try
- Q(A);XS(b)
- Threat
- DUALS(3)
- Vars
- S(a);N_GUARD,XQ(A)::B(I),XP(c)
- Refutation
- P(c);XQ(A)
- Try
- P(M);
- Vars
- S(a);N_GUARD::B(I),XP(c)
- S(b);N_GUARD::S(D),XS(b)
- Refutation
- S(b);XS(G)
- Try
- Actual
- B(I);
- Vars
- K(d);P_SPINS(b),S_FLIGHT::R(F)+B(I),DCHECK,XP(c)
- S(b);SBLOCK,XS(G)::S(D)
- S(a);N_GUARD::B(I),XP(c)
- S(b);N_GUARD::S(D)
- S(b);N_GUARD::S(D),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).