MESON Chess Problem Database
Problem Display
PID: 84523 (4r3/p1Q5/1B3n1r/2RPNp1p/2NkB3/2p1p1PK/4p1P1/1q3R2 w - - 0 1)
Szwedowski, Leopold Mieczyslaw
2nd Prize, Sachmatija, 2002-2003
#2
11 + 11
| 6490 | yacpdb | 2009 |
| 15174 | FIDE Album (2001-2003) | 2011 |
SOLUTION
- SOUND
- Sets
- 1...Kxe4
- 2.Rf4#
- 1...Rxe5
- 2.Qxe5#
- 1...Kxe4
- Tries
- 1.Sd2?
- threat
- 2.Sef3#
- 2.Sc6#
- 2.Rc4#
- 1...Qxe4
- 2.Sb3#
- 1...Qxf1
- 2.Sc6#
- 2.Rc4#
- 1...Qxb6
- 2.Sef3#
- 2.Rc4#
- 1...Rxe5
- 2.Rc4#
- 1...Sxe4
- 2.Sdf3#
- 1...Sxd5
- 2.Sef3#
- 2.Rc4#
- 2.Rxd5#
- 1...exf1Q
- 2.Sc6#
- 2.Rc4#
- 1...exf1R
- 2.Sc6#
- 2.Rc4#
- 1...cxd2
- 2.Rc4#
- 1...exd2
- 2.Rc4#
- 1...axb6
- 2.Sef3#
- 2.Rc4#
- 1...e1S
- 2.Sc6#
- 2.Rc4#
- 1...Qb5
- 2.Sef3#
- 2.Rc4#
- 1...Re6
- 2.Sef3#
- 2.Rc4#
- 1...Sg4
- 2.Sef3#
- 2.Rc4#
- 1...Sd7
- 2.Sef3#
- 2.Rc4#
- 1...Sh7
- 2.Sef3#
- 2.Rc4#
- 1...Sg8
- 2.Sef3#
- 2.Rc4#
- 1...fxe4!
- threat
- 1.Sa5?
- threat
- 2.Rc4#
- 1...Kxe4
- 2.Rf4#
- 1...Qxe4
- 2.Sb3#
- 2.Sac6#
- 1...fxe4
- 2.Sac6#
- 1...Sxe4!
- threat
- 1.Sd6?
- threat
- 2.Sf3#
- 2.Sc6#
- 1...Qxe4
- 2.Sb5#
- 1...Qxf1
- 2.Sc6#
- 1...Qxb6
- 2.Sf3#
- 1...Rxe5
- 2.Rc4#
- 1...Sxe4
- 2.Sxf5#
- 1...exf1Q
- 2.Sc6#
- 1...exf1R
- 2.Sc6#
- 1...fxe4
- 2.Sf5#
- 1...axb6
- 2.Sf3#
- 1...e1S
- 2.Sc6#
- 1...Qb5
- 2.Sf3#
- 1...Kxe5!
- threat
- 1.Bxb1?
- threat
- 2.Sf3#
- 2.Sc6#
- 1...Rxe5
- 2.Qxe5#
- 1...Sxd5
- 2.Sf3#
- 1...exf1Q
- 2.Sc6#
- 1...exf1R
- 2.Sc6#
- 1...axb6
- 2.Sf3#
- 1...e1S
- 2.Sc6#
- 1...Re6
- 2.Sf3#
- 1...Se4
- 2.Sf3#
- 1...Sg4
- 2.Sf3#
- 2.Rf4#
- 1...Sd7
- 2.Sf3#
- 2.Rf4#
- 1...Sh7
- 2.Sf3#
- 2.Rf4#
- 1...Sg8
- 2.Sf3#
- 2.Rf4#
- 1...c2!
- threat
- 1.Bc2?
- threat
- 2.Sf3#
- 2.Sc6#
- 1...Qxf1
- 2.Sc6#
- 1...Qxb6
- 2.Sf3#
- 1...Rxe5
- 2.Qxe5#
- 1...Sxd5
- 2.Sf3#
- 1...exf1Q
- 2.Sc6#
- 1...exf1R
- 2.Sc6#
- 1...axb6
- 2.Sf3#
- 1...e1S
- 2.Sc6#
- 1...Qb5
- 2.Sf3#
- 1...Re6
- 2.Sf3#
- 1...Se4
- 2.Sf3#
- 1...Sg4
- 2.Sf3#
- 2.Rf4#
- 1...Sd7
- 2.Sf3#
- 2.Rf4#
- 1...Sh7
- 2.Sf3#
- 2.Rf4#
- 1...Sg8
- 2.Sf3#
- 2.Rf4#
- 1...Qxc2!
- threat
- 1.Rb5+?
- 1...Kxe4
- 2.Rf4#
- 1...axb6!
- 1...Kxe4
- 1.Sd2?
- Keys
- 1.Sb2!
- threat
- 2.Rc4#
- 1...Kxe4
- 2.Rf4#
- 1...Qxe4
- 2.Sc6#
- 1...Sxe4
- 2.Sf3#
- 1...fxe4
- 2.Sc6#
- threat
- 1.Sb2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 1
- Sets
- K(e);OGATEB,P-FLIGHT,XB(F)::R1(A)
- R(k);OGATE,XS(I)::QAB1(K),XR(k)
- Tries
- Try
- S(E);
- Threat
- DUALS(3)
- Vars
- Q(a);N_GUARD,SBLOCK,XB(F)::S(E)
- R(k);XS(I)::B(J)+R(G),DCHECK
- S(h);SBLOCK,XB(F)::S(E)
- P(c);XS(E)::B(J)+R(G),DCHECK
- P(d);XS(E)::B(J)+R(G),DCHECK
- Refutation
- P(f);XB(F)
- Try
- S(E);
- Threat
- B(J)+R(G),DCHECK
- Vars
- K(e);OGATEB,P-FLIGHT,XB(F)::R1(A)
- P(f);SBLOCK,XB(F)::S(E)
- Refutation
- S(h);XB(F)
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- Q(a);N_GUARD,SBLOCK,XB(F)::S(E)
- Q(a);P_PINP(B),XR(A)::S(I)
- Q(a);XB(J)::S(I)
- R(k);SBLOCK,XS(I)::B(J)+R(G),DCHECK
- S(h);SBLOCK,XB(F)::S(E),XP(f)
- P(b);P_PINP(B),XR(A)::S(I)
- P(b);XR(A)::S(I)
- P(f);SBLOCK,XB(F)::S(E)
- P(j);XB(J)::S(I)
- P(b);::S(I)
- Q(a);::S(I)
- Refutation
- K(e);S_FLIGHT,XS(I)
- Try
- B(F);XQ(a)
- Threat
- DUALS(2)
- Vars
- R(k);OGATE,XS(I)::QAB1(K),XR(k)
- S(h);XP(H)::S(I)
- P(b);P_PINP(B),XR(A)::S(I)
- P(b);XR(A)::S(I)
- P(j);XB(J)::S(I)
- P(b);::S(I)
- R(k);::S(I)
- S(h);::S(I)
- Refutation
- P(c);
- Try
- B(F);
- Threat
- DUALS(2)
- Vars
- Q(a);P_PINP(B),XR(A)::S(I)
- Q(a);XB(J)::S(I)
- R(k);OGATE,XS(I)::QAB1(K),XR(k)
- S(h);XP(H)::S(I)
- P(b);P_PINP(B),XR(A)::S(I)
- P(b);XR(A)::S(I)
- P(j);XB(J)::S(I)
- P(b);::S(I)
- Q(a);::S(I)
- R(k);::S(I)
- S(h);::S(I)
- Refutation
- Q(a);XB(F)
- Try
- R(G);CHECK
- Vars
- K(e);P-FLIGHT,XB(F)::R1(A)
- Refutation
- P(j);XB(J)
- Try
- Actual
- S(E);
- Threat
- B(J)+R(G),DCHECK
- Vars
- K(e);OGATEB,P-FLIGHT,XB(F)::R1(A)
- Q(a);SBLOCK,XB(F)::S(I)
- S(h);SBLOCK,XB(F)::S(I)
- P(f);SBLOCK,XB(F)::S(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).