MESON Chess Problem Database
Problem Display
PID: 243898 (2R2brQ/5pn1/R2p4/2Pk1P2/pP4N1/3P1P2/rn2N1K1/B7 w - - 0 1)
Fleck, Ferenc
Shakhmaty v SSSR, 1948
#2
12 + 9
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Sd1
- 2.Sf6#
- 1...Sxd3
- 2.Se3#
- 1...Sc4
- 2.Sf6#
- 1...Sxf5
- 2.Sf4#
- 1...Sh5
- 2.Sc3#
- 2.Qd4#
- 1...Se6
- 2.Sc3#
- 1...Se8
- 2.Sc3#
- 2.Sf4#
- 2.Qd4#
- 1...Sd1
- Tries
- 1.Bxb2?
- threat
- 2.Sf4#
- 2.Se3#
- 2.Sf6#
- 1...Sxf5
- 2.Sf4#
- 1...Be7
- 2.Sf4#
- 2.Se3#
- 1...Sh5
- 2.Sc3#
- 2.Qd4#
- 1...Se6
- 2.Sc3#
- 1...Se8
- 2.Sc3#
- 2.Sf4#
- 2.Qd4#
- 1...f6
- 2.Sf4#
- 2.Se3#
- 2.Sxf6#
- 1...Rxb2!
- threat
- 1.Ra5?
- threat
- 2.c6#
- 1...Sxd3
- 2.Se3#
- 1...Sxf5
- 2.Sf4#
- 1...Sc4
- 2.Sf6#
- 1...Se6
- 2.Sc3#
- 1...dxc5!
- threat
- 1.Re8?
- threat
- 2.Se3#
- 2.Sf6#
- 1...Sxd3
- 2.Se3#
- 1...Sxf5
- 2.Sc3#
- 2.Sf4#
- 1...Sxe8
- 2.Sc3#
- 2.Sf4#
- 2.Qd4#
- 1...Sd1
- 2.Sf6#
- 1...Sc4
- 2.Sf6#
- 1...Sh5
- 2.Sc3#
- 2.Qd4#
- 1...Se6
- 2.Sc3#
- 1...f6
- 2.Se3#
- 2.Sxf6#
- 1...Be7!
- threat
- 1.Rxf8?
- threat
- 2.Rxd6#
- 1...Sxd3
- 2.Se3#
- 1...Sxf5
- 2.Sf4#
- 1...Sc4
- 2.Sf6#
- 1...Se8
- 2.Sc3#
- 2.Sf4#
- 2.Qd4#
- 1...dxc5!
- threat
- 1.Qxg7?
- threat
- 2.Sc3#
- 2.Sf4#
- 2.Se3#
- 2.Qd4#
- 2.Qxf7#
- 1...Bxg7
- 2.Rxd6#
- 1...Sxd3
- 2.Se3#
- 2.Qd4#
- 2.Qxf7#
- 1...dxc5
- 2.Sc3#
- 2.Sf4#
- 2.Se3#
- 2.Qe5#
- 2.Qxf7#
- 1...Ra3
- 2.Sf4#
- 2.Se3#
- 2.Qd4#
- 2.Qxf7#
- 1...Sd1
- 2.Sf6#
- 2.Qd4#
- 2.Qxf7#
- 1...Sc4
- 2.Sf6#
- 2.Qd4#
- 2.Qxf7#
- 1...f6
- 2.Qb7#
- 2.Qf7#
- 2.Qxg8#
- 1...Rxg7!
- threat
- 1.cxd6?
- threat
- 2.Rc5#
- 1...Sxd3
- 2.Se3#
- 2.Sf6#
- 1...Sxf5
- 2.Sf4#
- 2.Qe5#
- 1...Se6
- 2.Sc3#
- 2.Qe5#
- 1...Bxd6!
- threat
- 1.Bxb2?
- Keys
- 1.c6!
- threat
- 2.Ra5#
- 1...Sxd3
- 2.Se3#
- 1...Sxf5
- 2.Sf4#
- 1...Sc4
- 2.Sf6#
- 1...Se6
- 2.Sc3#
- threat
- 1.c6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 1
- Sets
- S(b);P_PINS(B)::S(G)
- S(b);P_PINS(B),XP(D)::S(G)
- S(g);P_PINS(G),XP(I)::S(B)
- S(g);P_PINS(G)::S(B)
- Tries
- Try
- B(A);XS(b)
- Threat
- DUALS(3)
- Vars
- S(g);P_PINS(G),XP(I)::S(B)
- S(g);P_PINS(G)::S(B)
- Refutation
- R(a);P_PINS(B),XB(A)
- Try
- R(J);
- Threat
- R(J)+P(H)
- Vars
- S(b);P_PINS(B),XP(D)::S(G)
- S(g);P_PINS(G),XP(I)::S(B)
- S(b);P_PINS(B)::S(G)
- S(g);P_PINS(G)::S(B)
- Refutation
- P(e);P_SPINP(e),XP(H)
- Try
- R(K);
- Threat
- DUALS(2)
- Vars
- S(b);P_PINS(B),XP(D)::S(G)
- S(b);P_PINS(B)::S(G)
- S(g);P_PINS(G)::S(B)
- Refutation
- B(h);
- Try
- R(K);XB(h)
- Threat
- R1(J),XP(e)
- Vars
- S(b);P_PINS(B),XP(D)::S(G)
- S(g);P_PINS(G),XP(I)::S(B)
- S(b);P_PINS(B)::S(G)
- Refutation
- P(e);XP(H)
- Try
- Q(L);XS(g)
- Threat
- DUALS(5)
- Vars
- B(h);N_GUARD,XQ(L)::R1(J),XP(e)
- Refutation
- R(i);P_PINS(G),XQ(L)
- Try
- P(H);XP(e)
- Threat
- R1(K)
- Refutation
- B(h);XP(H)
- Try
- Actual
- P(H);
- Threat
- R(J)
- Vars
- S(b);P_PINS(B),XP(D)::S(G)
- S(g);P_PINS(G),XP(I)::S(B)
- S(b);P_PINS(B)::S(G)
- S(g);P_PINS(G)::S(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).