MESON Chess Problem Database
Problem Display
PID: 250117 (3Q4/1pN5/2k5/B1P2p2/KP6/7b/2p1rrqb/7B w - - 0 1)
Henrik, ?
Torngren, Pehr Hendrik
Sodra Dalarnes Tidning, 1927
#2
7 + 9
| 6490 | yacpdb | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Qe4
- 2.Qe8#
- 1...Qd5
- 2.Bxd5#
- 2.Qxd5#
- 1...Re4
- 2.Qd5#
- 1...Re5
- 2.Qd6#
- 1...Re8
- 2.Qxe8#
- 1...Rf3
- 2.Qd5#
- 1...Rf4
- 2.Qd6#
- 1...Bg1
- 2.Qd6#
- 1...Be5
- 2.Qe8#
- 1...Bd6
- 2.Qxd6#
- 1...f4
- 2.Qd6#
- 1...Qe4
- Tries
- 1.Sb5?
- threat
- 2.Sd4#
- 2.Sa7#
- 1...Bd6
- 2.Qxd6#
- 1...Rd2
- 2.Sa7#
- 1...Re4
- 2.Sa7#
- 1...Rf4
- 2.Sa7#
- 2.Qd6#
- 1...Be5
- 2.Sa7#
- 1...Bb8
- 2.Sd4#
- 1...b6!
- threat
- 1.Bxg2+?
- 1...Re4
- 2.Qd5#
- 2.Qe8#
- 1...Rxg2
- 2.Qd5#
- 1...Rf3
- 2.Qd5#
- 1...Bxg2!
- 1...Re4
- 1.Sb5?
- Keys
- 1.Bb6!
- threat
- 2.b5#
- 1...Qe4
- 2.Qe8#
- 1...Re4
- 2.Qd5#
- 1...Rf4
- 2.Qd6#
- threat
- 1.Bb6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 7
- Sets
- Q(d);P_PINP(C),S_CUTR(b)::QAB(G)
- R(b);N_SPINQ(d),P_PINP(C),S_CUTQ(d)::QAB1(G)
- R(b);S_CUTB(e)::QAR1(G)
- R(b);N_GUARD::QAB(G),XR(b)
- R(c);N_SPINQ(d),S_CUTQ(d)::QAB1(G)
- R(c);P_PINP(C),S_CUTB(e)::QAR1(G)
- B(e);N_GUARD::QAR1(G)
- B(e);S_CUTR(b)::QAB(G)
- B(e);N_GUARD::QAR1(G),XB(e)
- P(g);S_CUTB(e)::QAR1(G)
- Tries
- Try
- S(F);
- Threat
- DUALS(2)
- Vars
- B(e);N_GUARD::QAR1(G),XB(e)
- R(b);::S(F)
- R(b);N_SPINQ(d),P_PINP(C)::S(F)
- B(e);::S(F)
- Refutation
- P(i);
- Try
- B(A);CHECK,XQ(d)
- Vars
- R(c);XB(A)::QAB1(G)
- R(c);P_SPINR(c)::QAB1(G)
- Refutation
- B(f);XB(A)
- Try
- Actual
- B(D);
- Threat
- P(C)
- Vars
- Q(d);P_PINP(C),S_CUTR(b)::QAB(G)
- R(b);N_SPINQ(d),P_PINP(C),S_CUTQ(d)::QAB1(G)
- R(c);P_PINP(C),S_CUTB(e)::QAR1(G)
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).