MESON Chess Problem Database
Problem Display
PID: 84527 (1r1Q4/3P1k1K/6p1/2N1bn1N/2R5/B5rp/B4Rb1/7q w - - 0 1)
Szwedowski, Leopold Mieczyslaw
Schweizerische Schachzeitung, 1963
#2
9 + 9
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rb1
- 2.Qe8#
- 1...Rb2
- 2.Qe8#
- 1...Rb3
- 2.Qe8#
- 1...Rb4
- 2.Qe8#
- 1...Rb5
- 2.Qe8#
- 1...Rb6
- 2.Qe8#
- 1...Rb7
- 2.Qe8#
- 1...Bf4
- 2.Qf6#
- 1...Bd6
- 2.Qf6#
- 1...Bf6
- 2.Qxf6#
- 1...Bc7
- 2.Qf6#
- 1...Rb1
- Tries
- 1.Sd3?
- threat
- 2.Qe7#
- 1...Ke6
- 2.Rc6#
- 1...Rxd8
- 2.Re4#
- 1...Rf3
- 2.Rb4#
- 1...Rb4
- 2.Qe8#
- 1...Bf4
- 2.Qf6#
- 1...Bd6
- 2.Qf6#
- 1...Bf6
- 2.Qxf6#
- 1...Bf3!
- threat
- 1.Se6?
- threat
- 2.Qe7#
- 1...Kxe6
- 2.Rc6#
- 1...Rxa3
- 2.Sg5#
- 1...Rxd8
- 2.Sxd8#
- 1...Rf3
- 2.Sg5#
- 1...Rb4
- 2.Qe8#
- 1...Bf4
- 2.Qf6#
- 1...Bd6
- 2.Qf6#
- 1...Bf6
- 2.Qxf6#
- 1...Bf3!
- threat
- 1.Sb7?
- threat
- 2.Qe7#
- 1...Ke6
- 2.Rc6#
- 1...Rxd8
- 2.Sxd8#
- 1...Bf3
- 2.Re4#
- 1...Rf3
- 2.Rc3#
- 1...Bf4
- 2.Qf6#
- 1...Bd6
- 2.Qf6#
- 1...Bf6
- 2.Qxf6#
- 1...Rxa3!
- threat
- 1.Rxf5+?
- 1...Bf6
- 2.Rxf6#
- 2.Qxf6#
- 1...gxf5!
- 1...Bf6
- 1.Rc3+?
- 1...Rb3
- 2.Qe8#
- 1...Bd5!
- 1...Rb3
- 1.Re4+?
- 1...Rbb3
- 2.Qe8#
- 1...Rgb3!
- 1...Rbb3
- 1.Sd3?
- Keys
- 1.Se4!
- threat
- 2.Qe7#
- 1...Ke6
- 2.Rc6#
- 1...Rxa3
- 2.Sg5#
- 1...Rxd8
- 2.Rc3#
- 1...Rf3
- 2.Sg5#
- 1...Rb4
- 2.Qe8#
- 1...Bf3
- 2.Rb4#
- 1...Bf4
- 2.Qf6#
- 1...Bd6
- 2.Qf6#
- 1...Bf6
- 2.Qxf6#
- threat
- 1.Se4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 7
- Sets
- R(i);N_GUARD::QAB1(I)
- B(e);N_GUARD,N_SPINS(f)::QAR1(I)
- B(e);N_GUARD::QAR1(I)
- B(e);N_GUARD,N_SPINS(f)::QAR1(I),XB(e)
- Tries
- Try
- S(E);
- Threat
- QAR1(I)
- Vars
- K(h);N_SPINS(f),S_FLIGHT::B(A)+R(D),DCHECK
- R(i);N_GUARD,XQ(I)::B(A)+R(D)
- R(c);N_SPINS(f),S_CUTB(b)::B(A)+R(D)
- R(i);N_GUARD::QAB1(I)
- B(e);N_GUARD,N_SPINS(f)::QAR1(I)
- B(e);N_GUARD::QAR1(I)
- B(e);N_GUARD,N_SPINS(f)::QAR1(I),XB(e)
- Refutation
- B(b);N_SPINS(f)
- Try
- S(E);
- Threat
- QAR1(I)
- Vars
- K(h);N_SPINS(f),OGATEB,S_FLIGHT,XS(E)::B(A)+R(D),DCHECK
- R(c);N_GUARD,XB(C)::S(E)
- R(i);XQ(I)::S(E),XR(i)
- R(c);N_GUARD,N_SPINS(f)::S(E)
- R(i);N_GUARD::QAB1(I)
- B(e);N_GUARD,N_SPINS(f)::QAR1(I)
- B(e);N_GUARD::QAR1(I)
- B(e);N_GUARD,N_SPINS(f)::QAR1(I),XB(e)
- Refutation
- B(b);N_SPINS(f)
- Try
- S(E);
- Threat
- QAR1(I)
- Vars
- K(h);N_SPINS(f),S_FLIGHT::B(A)+R(D),DCHECK
- R(i);XQ(I)::S(E),XR(i)
- B(b);N_SPINS(f),S_CUTR(c)::B(A)+R(D)
- R(c);N_SPINS(f),S_CUTB(b)::B(A)+R(D)
- B(e);N_GUARD,N_SPINS(f)::QAR1(I)
- B(e);N_GUARD::QAR1(I)
- B(e);N_GUARD,N_SPINS(f)::QAR1(I),XB(e)
- Refutation
- R(c);XB(C)
- Try
- R(B);CHECK,XS(f)
- Refutation
- P(g);XR(B)
- Try
- R(D);CHECK
- Vars
- R(i);P_SPINR(i)::QAB1(I)
- Refutation
- B(b);P_SPINB(b)
- Try
- R(D);CHECK
- Vars
- R(i);P_SPINR(i)::QAB1(I)
- Refutation
- R(c);P_SPINR(c)
- Try
- Actual
- S(E);
- Threat
- QAR1(I)
- Vars
- K(h);N_SPINS(f),S_FLIGHT::B(A)+R(D),DCHECK
- R(c);N_GUARD,XB(C)::S(E)
- R(i);N_GUARD,XQ(I)::B(A)+R(D)
- R(c);N_GUARD,N_SPINS(f)::S(E)
- R(i);N_GUARD::QAB1(I)
- B(b);N_SPINS(f),S_CUTR(c)::B(A)+R(D)
- B(e);N_GUARD,N_SPINS(f)::QAR1(I)
- B(e);N_GUARD::QAR1(I)
- B(e);N_GUARD,N_SPINS(f)::QAR1(I),XB(e)
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).