MESON Chess Problem Database
Problem Display
PID: 155359 (8/B1p1Q3/4Npp1/r1n5/R2bp3/4k2p/2P5/3K1R2 w - - 0 1)
de Rooij, C
Match: Denmark - Netherlands, 1935-1936
#2
7 + 9
| 4035 | Aarsskrift for DSK | 1936 |
SOLUTION
- SOUND
- Sets
- 1...Sd3
- 2.Bxd4#
- 1...Sxa4
- 2.Bxd4#
- 1...Sa6
- 2.Bxd4#
- 2.Qa3#
- 1...Sxe6
- 2.Qa3#
- 1...Sb7
- 2.Bxd4#
- 2.Qa3#
- 1...Sd7
- 2.Bxd4#
- 2.Qa3#
- 1...Sd3
- Tries
- 1.Sxd4?
- threat
- 2.Rf3#
- 1...Se6
- 2.Sf5#
- 2.Qa3#
- 1...Rxa4!
- threat
- 1.Ra3+?
- 1...Bc3
- 2.Rxc3#
- 1...Sb3
- 2.Bxd4#
- 2.Rxb3#
- 1...Sd3
- 2.Bxd4#
- 1...Rxa3!
- 1...Bc3
- 1.Qd6?
- threat
- 2.Qg3#
- 2.Qf4#
- 2.Qxd4#
- 1...Rxa4
- 2.Qg3#
- 2.Qf4#
- 1...Sxe6
- 2.Qa3#
- 2.Qg3#
- 1...Sb3
- 2.Qg3#
- 2.Qf4#
- 1...Ba1
- 2.Qg3#
- 2.Qf4#
- 2.Qd2#
- 1...Bb2
- 2.Qg3#
- 2.Qf4#
- 2.Qd2#
- 1...Bc3
- 2.Qg3#
- 2.Qf4#
- 1...Be5
- 2.Qd2#
- 1...Sd3
- 2.Bxd4#
- 2.Qg3#
- 2.Qxd4#
- 1...g5
- 2.Qg3#
- 2.Qxd4#
- 1...cxd6!
- threat
- 1.Qxf6?
- threat
- 2.Re1#
- 2.Qxd4#
- 2.Qg5#
- 2.Qf2#
- 2.Qf4#
- 1...Rxa4
- 2.Re1#
- 2.Qg5#
- 2.Qf2#
- 2.Qf4#
- 1...Sxa4
- 2.Bxd4#
- 2.Re1#
- 2.Qxd4#
- 2.Qf2#
- 2.Qf4#
- 1...Sxe6
- 2.Re1#
- 2.Qf2#
- 1...Sb3
- 2.Re1#
- 2.Qf2#
- 2.Qf4#
- 1...Ba1
- 2.Re1#
- 2.Qg5#
- 2.Qf2#
- 2.Qf4#
- 1...Bb2
- 2.Re1#
- 2.Qg5#
- 2.Qf2#
- 2.Qf4#
- 1...Bc3
- 2.Qxc3#
- 2.Qg5#
- 2.Qf2#
- 2.Qf4#
- 1...Be5
- 2.Re1#
- 2.Qf2#
- 1...Sd3
- 2.Bxd4#
- 2.Qxd4#
- 1...Sa6
- 2.Bxd4#
- 2.Re1#
- 2.Qxd4#
- 2.Qf2#
- 2.Qf4#
- 1...Sb7
- 2.Bxd4#
- 2.Re1#
- 2.Qxd4#
- 2.Qf2#
- 2.Qf4#
- 1...Sd7
- 2.Bxd4#
- 2.Re1#
- 2.Qxd4#
- 2.Qf2#
- 2.Qf4#
- 1...g5
- 2.Re1#
- 2.Qxd4#
- 2.Qxg5#
- 2.Qf2#
- 1...Bxf6!
- threat
- 1.Qxc7?
- threat
- 2.Qg3#
- 2.Qf4#
- 1...Sxe6
- 2.Qg3#
- 2.Qc3#
- 1...Sd3
- 2.Bxd4#
- 2.Qg3#
- 1...g5
- 2.Qg3#
- 1...Be5!
- threat
- 1.Qh7?
- threat
- 2.Qxh3#
- 1...h2
- 2.Qh3#
- 1...Be5!
- threat
- 1.Sxd4?
- Keys
- 1.Sg5!
- threat
- 2.Rf3#
- 1...fxg5
- 2.Qxg5#
- 1...Be5
- 2.Rxe4#
- 1...Se6
- 2.Qa3#
- threat
- 1.Sg5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 2
- Sets
- S(f);OGATE,P_SPINB(c)::B(F),XB(c)
- S(f);OGATE,P_SPINB(c),XR(D)::B(F),XB(c)
- S(f);OGATE,P_SPINB(c),XS(E)::QAR(G)
- Tries
- Try
- S(E);P_PINP(d),XB(c)
- Threat
- R1(B)
- Refutation
- R(e);XR(D)
- Try
- R(D);CHECK
- Vars
- B(c);N_GUARD,P_SPINB(c),P_SPINS(f)::R(D),XB(c)
- S(f);OGATE,P_SPINB(c),P_SPINS(f)::B(F),XB(c)
- Refutation
- R(e);XR(D)
- Try
- Q(G);
- Threat
- DUALS(3)
- Vars
- B(c);OGATE,P_SPINS(f)::QAB1(G)
- Refutation
- P(i);XQ(G)
- Try
- Q(G);XP(g)
- Threat
- DUALS(5)
- Refutation
- B(c);P_SPINS(f),XQ(G)
- Try
- Q(G);XP(i)
- Threat
- DUALS(2)
- Vars
- P(h);::QAR2(G)
- Refutation
- B(c);P_SPINS(f)
- Try
- Q(G);
- Threat
- QAR(G),XP(b)
- Vars
- P(b);::QAR(G)
- Refutation
- B(c);P_SPINS(f)
- Try
- Actual
- S(E);P_PINP(d)
- Threat
- R1(B)
- Vars
- P(g);OGATE,XS(E)::QAB(G),XP(g)
- B(c);N_SPINP(d),OGATE,P_SPINS(f)::R1(D),XP(d)
- S(f);N_SPINP(d),OGATE,P_SPINB(c)::QAR(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).