MESON Chess Problem Database
Problem Display
PID: 84597 (4bN2/NBR5/r3p2b/pp2R3/1PPk3r/1Q2p2p/p6B/K7 w - - 0 1)
Szwedowski, Leopold Mieczyslaw
Schakend Nederland, 1962
#2
10 + 11
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Re4
- 2.Rxe4#
- 1...Rf4
- 2.Qxe3#
- 1...Rh5
- 2.Re4#
- 1...Rc6
- 2.Sxb5#
- 1...Rxa7
- 2.Sxe6#
- 1...Bf4
- 2.Re4#
- 1...Bg7
- 2.Qxe3#
- 1...Bxf8
- 2.Qxe3#
- 1...Bh5
- 2.Sxb5#
- 1...Bc6
- 2.Sxe6#
- 1...Bg6
- 2.Sxb5#
- 1...Bf7
- 2.Sxb5#
- 1...bxc4
- 2.Rxc4#
- 2.Qxc4#
- 1...Re4
- Tries
- 1.Sc6+?
- 1...Bxc6
- 2.Sxe6#
- 1...Rxc6!
- 1...Bxc6
- 1.Be4?
- threat
- 2.Qb2#
- 2.Qd3#
- 1...bxc4
- 2.Rxc4#
- 2.Qxc4#
- 1...Rf4
- 2.Qb2#
- 1...Bf4
- 2.Qb2#
- 1...Rc6
- 2.Sxb5#
- 2.Qd3#
- 1...Bc6
- 2.Sxe6#
- 2.Qd3#
- 1...e2
- 2.Qd3#
- 1...Rxe4!
- threat
- 1.Bxa6?
- threat
- 2.Sxe6#
- 1...Bxf8
- 2.Qxe3#
- 1...Rf4
- 2.Qxe3#
- 1...Bd7
- 2.Rxd7#
- 1...Bf7
- 2.Sxb5#
- 2.Sc6#
- 2.Rd7#
- 1...Bf4!
- threat
- 1.Bc6?
- threat
- 2.Sxb5#
- 2.Sxe6#
- 1...Rxc6
- 2.Sxb5#
- 1...Rxa7
- 2.Sxe6#
- 1...Bxf8
- 2.Sxb5#
- 1...Bxc6
- 2.Sxe6#
- 1...bxc4
- 2.Sb5#
- 2.Sxe6#
- 1...Bf4
- 2.Re4#
- 1...Rb6
- 2.Sxe6#
- 1...Bd7
- 2.Sxb5#
- 2.Rxd7#
- 1...Bf7
- 2.Sxb5#
- 2.Rd7#
- 1...Rf4!
- threat
- 1.Rxe3?
- threat
- 2.Be5#
- 2.Rd3#
- 2.Qc3#
- 2.Qd3#
- 1...axb4
- 2.Be5#
- 2.Rd3#
- 2.Qd3#
- 1...bxc4
- 2.Be5#
- 2.Rxc4#
- 2.Qc3#
- 1...Re4
- 2.Rd3#
- 2.Rxe4#
- 2.Qc3#
- 2.Qd3#
- 1...Rf4
- 2.Qc3#
- 2.Qd3#
- 1...Rh5
- 2.Rd3#
- 2.Re4#
- 2.Qc3#
- 2.Qd3#
- 1...Rc6
- 2.Sxb5#
- 2.Be5#
- 2.Qc3#
- 2.Qd3#
- 1...Bf4
- 2.Re4#
- 2.Qc3#
- 2.Qd3#
- 1...Bg7
- 2.Rd3#
- 2.Qc3#
- 2.Qd3#
- 1...Bc6
- 2.Sxe6#
- 2.Be5#
- 2.Qc3#
- 2.Qd3#
- 1...Bg6
- 2.Sxb5#
- 2.Be5#
- 2.Qc3#
- 1...e5
- 2.Bxe5#
- 2.Rd3#
- 2.Qc3#
- 2.Qd3#
- 1...Bxe3!
- threat
- 1.Rxe6?
- threat
- 2.Be5#
- 1...Rxe6
- 2.Sxe6#
- 1...Re4
- 2.Rxe4#
- 1...Rf4
- 2.Qxe3#
- 1...Rh5
- 2.Re4#
- 1...Rc6
- 2.Sxb5#
- 1...Bf4
- 2.Re4#
- 1...Bg7
- 2.Qxe3#
- 1...Bc6!
- threat
- 1.Rc6?
- threat
- 2.Sxb5#
- 2.Sxe6#
- 1...Rxc6
- 2.Sxb5#
- 1...Rxa7
- 2.Sxe6#
- 2.Rd6#
- 1...Bxf8
- 2.Sxb5#
- 2.Qxe3#
- 1...Bxc6
- 2.Sxe6#
- 1...bxc4
- 2.Sb5#
- 2.Sxe6#
- 2.Rxc4#
- 2.Qxc4#
- 1...Rf4
- 2.Qxe3#
- 1...Rb6
- 2.Sxe6#
- 1...Bd7
- 2.Sxb5#
- 1...Bf7
- 2.Sxb5#
- 1...Bf4!
- threat
- 1.Rd7+?
- 1...Rd6
- 2.Sxb5#
- 2.Sc6#
- 2.Sxe6#
- 2.Rxd6#
- 1...Bxd7!
- 1...Rd6
- 1.cxb5?
- threat
- 2.Rc4#
- 2.Qd1#
- 2.Qc4#
- 2.Qc3#
- 1...Bxb5
- 2.Sxb5#
- 2.Qc3#
- 1...axb4
- 2.Rc4#
- 2.Qd1#
- 2.Qc4#
- 1...Rf4
- 2.Qc3#
- 2.Qxe3#
- 1...Bf4
- 2.Re4#
- 2.Qc3#
- 1...Bh5
- 2.Rc4#
- 2.Qc4#
- 2.Qc3#
- 1...Bc6
- 2.Sxe6#
- 1...Bg6
- 2.Rc4#
- 2.Qc4#
- 2.Qc3#
- 1...e2
- 2.Rc4#
- 2.Qc4#
- 2.Qc3#
- 1...Rc6!
- threat
- 1.Sc6+?
- Keys
- 1.Bf4!
- threat
- 2.Re4#
- 2.Qxe3#
- 1...Rxf4
- 2.Qxe3#
- 1...Bxf4
- 2.Re4#
- 1...Rc6
- 2.Sxb5#
- 1...Bc6
- 2.Sxe6#
- 1...Bg6
- 2.Sxb5#
- 2.Qxe3#
- 1...e2
- 2.Re4#
- 2.Qe3#
- threat
- 1.Bf4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 8
- Sets
- R(e);N_GUARD::R1(F),XR(e)
- R(e);S_CUTB(j)::QAB1(C),XP(b)
- R(e);N_GUARD::R1(F)
- R(h);S_CUTB(k)::S(G),XP(g)
- R(h);N_GUARD,XS(G)::S(J),XP(i)
- B(j);S_CUTR(e)::R1(F)
- B(j);N_GUARD::QAB1(C),XP(b)
- B(j);N_GUARD,XS(J)::QAB1(C),XP(b)
- B(k);N_GUARD::S(G),XP(g)
- B(k);S_CUTR(h)::S(J),XP(i)
- Tries
- Try
- S(G);CHECK
- Vars
- B(k);XS(G)::S(J),XP(i)
- Refutation
- R(h);XS(G)
- Try
- B(H);
- Threat
- DUALS(2)
- Vars
- R(e);::QAB(C)
- B(j);::QAB(C)
- P(b);::QAR1(C)
- Refutation
- R(e);XB(H)
- Try
- B(H);XR(h)
- Threat
- S(J),XP(i)
- Vars
- B(j);N_GUARD,XS(J)::QAB1(C),XP(b)
- R(e);S_CUTB(j)::QAB1(C),XP(b)
- B(k);N_GUARD::R(I),XB(k)
- Refutation
- B(j);
- Try
- B(H);
- Threat
- DUALS(2)
- Vars
- R(h);XB(H)::S(G),XP(g)
- R(h);XS(G)::S(J),XP(i)
- B(j);XS(J)::S(G),XP(g)
- B(k);XB(H)::S(J),XP(i)
- B(j);S_CUTR(e)::R1(F)
- R(h);::S(J),XP(i)
- Refutation
- R(e);
- Try
- R(F);XP(b)
- Threat
- DUALS(4)
- Refutation
- B(j);XR(F)
- Try
- R(F);XP(i)
- Threat
- B(B)
- Vars
- R(h);XR(F)::S(J),XR(h)
- R(e);N_GUARD::R1(F),XR(e)
- R(e);S_CUTB(j)::QAB1(C),XP(b)
- R(e);N_GUARD::R1(F)
- R(h);S_CUTB(k)::S(G),XP(g)
- B(j);S_CUTR(e)::R1(F)
- B(j);N_GUARD::QAB1(C),XP(b)
- Refutation
- B(k);
- Try
- R(I);
- Threat
- DUALS(2)
- Vars
- R(h);XR(I)::S(G),XP(g)
- B(k);XR(I)::S(J),XP(i)
- R(e);S_CUTB(j)::QAB1(C),XP(b)
- R(h);::S(J),XP(i)
- B(k);::S(G),XP(g)
- Refutation
- B(j);
- Try
- R(I);CHECK
- Refutation
- B(k);XR(I)
- Try
- P(E);XP(g)
- Threat
- DUALS(4)
- Vars
- B(k);S_CUTR(h)::S(J),XP(i)
- Refutation
- R(h);
- Try
- Actual
- B(B);
- Threat
- DUALS(2)
- Vars
- R(e);XB(B)::QAB1(C),XP(b)
- B(j);XB(B)::R1(F)
- R(h);S_CUTB(k)::S(G),XP(g)
- B(k);S_CUTR(h)::S(J),XP(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).