MESON Chess Problem Database
Problem Display
PID: 254847 (rB6/2R5/2p5/R5N1/QP3k1N/7p/4K2P/8 w - - 0 1)
Boven, Dirk
Probleemblad, 1946
#2
9 + 4
SOLUTION
- SOUND
- Tries
- 1.Se6+?
- 1...Ke4
- 2.Qc2#
- 2.Qxc6#
- 1...Kg4!
- 1...Ke4
- 1.Rxc6+?
- 1...Rxb8
- 2.Rc4#
- 1...Kg4!
- 1...Rxb8
- 1.Rd7+?
- 1...Rxb8
- 2.Rd4#
- 1...Kg4!
- 1...Rxb8
- 1.Re7+?
- 1...Rxb8
- 2.Re4#
- 1...Kg4!
- 1...Rxb8
- 1.Rg7+?
- 1...Kg4
- 2.Sgf3#
- 1...Rxb8!
- 1...Kg4
- 1.Qb3?
- threat
- 2.Qc4#
- 2.Qf3#
- 2.Qg3#
- 1...Rxa5
- 2.Qg3#
- 1...c5
- 2.Qg3#
- 1...Kg4!
- threat
- 1.Qa3?
- threat
- 2.Qf3#
- 2.Qg3#
- 1...Rxa5
- 2.Qg3#
- 1...c5
- 2.Qg3#
- 1...Kg4!
- threat
- 1.Se6+?
- Keys
- 1.Sgf3!
- threat
- 2.b5#
- 1...Ke4
- 2.Re7#
- 1...Kg4
- 2.Rg7#
- 1...Rxa5
- 2.bxa5#
- 1...c5
- 2.bxc5#
- threat
- 1.Sgf3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- Tries
- Try
- S(G);CHECK
- Refutation
- K(b);P-FLIGHT
- Try
- R(H);CHECK,XP(c)
- Vars
- R(d);XB(I)::R(H)
- Refutation
- K(b);P-FLIGHT
- Try
- R(H);CHECK
- Vars
- R(d);XB(I)::R(H)
- Refutation
- K(b);P-FLIGHT
- Try
- R(H);CHECK
- Vars
- R(d);XB(I)::R1(H)
- Refutation
- K(b);P-FLIGHT
- Try
- R(H);CHECK
- Vars
- K(b);N_GUARD,P-FLIGHT,S_CUTR(d)::R(H)+S(G)
- Refutation
- R(d);XB(I)
- Try
- Q(C);
- Threat
- DUALS(3)
- Vars
- R(d);XR(F)::QAB1(C)
- P(c);::QAB1(C)
- Refutation
- K(b);P-FLIGHT
- Try
- Q(C);
- Threat
- DUALS(2)
- Vars
- R(d);XR(F)::QAB1(C)
- P(c);::QAB1(C)
- Refutation
- K(b);P-FLIGHT
- Try
- Actual
- S(G);
- Threat
- QAR(C)+P(D)
- Vars
- K(b);N_GUARD,P-FLIGHT,S_CUTR(d)::R(H)
- R(d);OGATE,XR(F)::QAR(C)+P(D),XR(d)
- P(c);OGATE::QAR(C)+P(D),XP(c)
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).