MESON Chess Problem Database
Problem Display
PID: 173696 (8/pKp5/1p1Prb1R/1N1kNB1R/1Ppqr3/2P1Q3/7B/8 w - - 0 1)
Boros, Sandor
2nd HM., Magyar Sakkvilag, 1941
#2
11 + 9
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Qxc3
- 2.Bxe4#
- 2.Qxe4#
- 1...Qc5
- 2.Bxe4#
- 2.Qxe4#
- 1...Qxe5
- 2.Bxe4#
- 1...Qd1
- 2.Bxe4#
- 2.Qxe4#
- 1...Qd2
- 2.Bxe4#
- 2.Qxe4#
- 1...R4xe5
- 2.Qxd4#
- 1...Rxd6
- 2.Sxc7#
- 1...Bh4
- 2.Bxe6#
- 1...Bxe5
- 2.Bxe6#
- 1...Bg5
- 2.Bxe6#
- 1...Be7
- 2.Bxe6#
- 1...Bg7
- 2.Bxe6#
- 1...Bd8
- 2.Bxe6#
- 1...Bh8
- 2.Bxe6#
- 1...cxd6
- 2.Sc7#
- 1...Qxc3
- Tries
- 1.Sg4?
- threat
- 2.Sxc7#
- 2.Bxe4#
- 1...Qxe3
- 2.Sxc7#
- 1...Rxe3
- 2.Sxc7#
- 1...Rxg4
- 2.Sxc7#
- 2.Be4#
- 2.Bxe6#
- 2.Qxe6#
- 1...Rxd6
- 2.Sxc7#
- 1...cxd6
- 2.Sc7#
- 2.Bxe4#
- 1...R6e5
- 2.Sxf6#
- 1...Qc5
- 2.Bxe4#
- 1...Qe5
- 2.Bxe4#
- 1...Rf4
- 2.Be4#
- 2.Bxe6#
- 2.Qxe6#
- 1...R4e5
- 2.Qxd4#
- 1...Re8
- 2.Sxc7#
- 1...Be5
- 2.Bxe6#
- 1...Bg5
- 2.Sxc7#
- 1...Bd8
- 2.Bxe4#
- 2.Bxe6#
- 1...c5
- 2.Sc7#
- 2.Bxe4#
- 1...c6
- 2.Sc7#
- 2.Bxe4#
- 1...Re7!
- threat
- 1.Sf7?
- threat
- 2.Sxc7#
- 2.Bxe4#
- 1...Qxe3
- 2.Sxc7#
- 1...Rxe3
- 2.Sxc7#
- 1...Rxd6
- 2.Sxc7#
- 1...cxd6
- 2.Sc7#
- 2.Bxe4#
- 1...R6e5
- 2.Sxc7#
- 1...Qc5
- 2.Bxe4#
- 1...Rf4
- 2.Sxc7#
- 2.Be4#
- 2.Bxe6#
- 2.Qxe6#
- 1...Rg4
- 2.Sxc7#
- 2.Be4#
- 2.Bxe6#
- 2.Qxe6#
- 1...Rh4
- 2.Sxc7#
- 2.Be4#
- 2.Bxe6#
- 2.Qxe6#
- 1...R4e5
- 2.Sxc7#
- 2.Qxd4#
- 1...Re8
- 2.Sxc7#
- 1...Be5
- 2.Sxc7#
- 2.Bxe6#
- 1...Bg5
- 2.Sxc7#
- 1...Bd8
- 2.Bxe4#
- 2.Bxe6#
- 1...c5
- 2.Sc7#
- 2.Bxe4#
- 1...c6
- 2.Sc7#
- 2.Bxe4#
- 1...Re7!
- threat
- 1.Sg4?
- Keys
- 1.Sd7!
- threat
- 2.Sxc7#
- 2.Bxe4#
- 1...Qxe3
- 2.Sxc7#
- 1...Rxe3
- 2.Sxc7#
- 1...Rxd6
- 2.Sxc7#
- 1...cxd6
- 2.Sc7#
- 2.Bxe4#
- 1...R6e5
- 2.Sxf6#
- 1...Qc5
- 2.Bxe4#
- 1...Qe5
- 2.Bxe4#
- 1...Rf4
- 2.Be4#
- 2.Bxe6#
- 2.Qxe6#
- 1...Rg4
- 2.Sxc7#
- 2.Be4#
- 2.Bxe6#
- 2.Qxe6#
- 1...Rh4
- 2.Sxc7#
- 2.Be4#
- 2.Bxe6#
- 2.Qxe6#
- 1...R4e5
- 2.Qxd4#
- 1...Re7
- 2.Sxc7#
- 1...Re8
- 2.Sxc7#
- 1...Be5
- 2.Bxe6#
- 1...Bg5
- 2.Sxc7#
- 1...Bd8
- 2.Bxe4#
- 2.Bxe6#
- 1...c5
- 2.Sc7#
- 2.Bxe4#
- 1...c6
- 2.Sc7#
- 2.Bxe4#
- threat
- 1.Sd7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 6
- REMOVED MATES = 6
- Sets
- Q(b);N_GUARD,XS(F)::B(G),XR(c)
- R(c);N_GUARD,XS(F)::QAR1(C),XQ(b)
- R(f);SBLOCK,XP(I)::S(E),XP(i)
- B(g);::B(G),XR(f)
- B(g);XS(F)::B(G),XR(f)
- P(i);SBLOCK,XP(I)::S(E)
- Tries
- Try
- S(F);
- Threat
- DUALS(2)
- Vars
- Q(b);XQ(C)::S(E),XP(i)
- R(c);XQ(C)::S(E),XP(i)
- R(f);XP(I)::S(E),XP(i)
- R(f);N_GUARD,S_CUTQ(b)::S(F),XB(g)
- Q(b);::R(H)+B(G),DCHECK,XR(c)
- Q(b);::B(G),XR(c)
- R(c);N_GUARD,S_CUTB(g)::QAR1(C),XQ(b)
- R(f);::S(E),XP(i)
- B(g);::B(G),XR(f)
- B(g);::S(E),XP(i)
- Refutation
- R(f);
- Try
- S(F);
- Threat
- DUALS(2)
- Vars
- Q(b);XQ(C)::S(E),XP(i)
- R(c);XQ(C)::S(E),XP(i)
- R(f);XP(I)::S(E),XP(i)
- R(f);::S(E),XP(i)
- Q(b);::R(H)+B(G),DCHECK,XR(c)
- B(g);::S(E),XP(i)
- Refutation
- R(f);
- Try
- Actual
- S(F);
- Threat
- DUALS(2)
- Vars
- Q(b);XQ(C)::S(E),XP(i)
- R(c);XQ(C)::S(E),XP(i)
- R(f);XP(I)::S(E),XP(i)
- R(f);N_GUARD,S_CUTQ(b)::S(F),XB(g)
- Q(b);::R(H)+B(G),DCHECK,XR(c)
- Q(b);::B(G),XR(c)
- R(c);N_GUARD,S_CUTB(g)::QAR1(C),XQ(b)
- R(f);::S(E),XP(i)
- B(g);::B(G),XR(f)
- B(g);::S(E),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).