MESON Chess Problem Database
Problem Display
PID: 153491 (2r1N2k/1Pp1P2b/2K1P3/4P3/2p5/2Br4/2Q5/6RR w - - 0 1)
Betts, Frederick Charles
Fraternity Saturday, 1918
#2
10 + 6
| 15351 | SCPF/BCPS Black Books | 2014 |
SOLUTION
- SOUND
- Sets
- 1...Rd1
- 2.Rxh7#
- 2.Qxh7#
- 1...Rd2
- 2.Rxh7#
- 2.Qxh7#
- 1...Rxc3
- 2.Rxh7#
- 2.Qxh7#
- 1...Re3
- 2.Rxh7#
- 2.Qxh7#
- 1...Rf3
- 2.Rxh7#
- 2.Qxh7#
- 1...Rg3
- 2.Qxh7#
- 1...Rd4
- 2.Rxh7#
- 2.Qxh7#
- 1...Rd5
- 2.Rxh7#
- 2.Qxh7#
- 1...Rd6+
- 2.exd6#
- 1...Rd7
- 2.Rxh7#
- 2.Qxh7#
- 1...Rdd8
- 2.Rxh7#
- 2.Qxh7#
- 1...Rd1
- Tries
- 1.Qg2?
- threat
- 2.Qg7#
- 2.Qg8#
- 1...Rd6+
- 2.exd6#
- 1...Rxe8
- 2.Qg7#
- 1...Rh3
- 2.Qg7#
- 1...Rg3!
- threat
- 1.Qh2?
- threat
- 2.Qxh7#
- 1...Rd6+
- 2.exd6#
- 1...Rh3!
- threat
- 1.bxc8Q?
- threat
- 2.Sd6#
- 1...Rd6+
- 2.Sxd6#
- 2.exd6#
- 1...Rg3
- 2.Qxh7#
- 1...Rf3
- 2.Sf6#
- 2.Rxh7#
- 2.Qxh7#
- 1...Rd7
- 2.Rxh7#
- 2.Qxh7#
- 1...Rd8
- 2.Rxh7#
- 2.Qxh7#
- 1...Rh3!
- threat
- 1.bxc8S?
- 1...Rd6+
- 2.exd6#
- 1...Rxc3
- 2.Rxh7#
- 2.Qxh7#
- 1...Rg3
- 2.Qxh7#
- 1...Rd1
- 2.Rxh7#
- 2.Qxh7#
- 1...Rd2
- 2.Rxh7#
- 2.Qxh7#
- 1...Re3
- 2.Rxh7#
- 2.Qxh7#
- 1...Rf3
- 2.Rxh7#
- 2.Qxh7#
- 1...Rd4
- 2.Rxh7#
- 2.Qxh7#
- 1...Rd5
- 2.Rxh7#
- 2.Qxh7#
- 1...Rd7
- 2.Rxh7#
- 2.Qxh7#
- 1...Rd8
- 2.Rxh7#
- 2.Qxh7#
- 1...Rh3!
- 1...Rd6+
- 1.bxc8B?
- 1...Rd6+
- 2.exd6#
- 1...Rxc3
- 2.Rxh7#
- 2.Qxh7#
- 1...Rg3
- 2.Qxh7#
- 1...Rd1
- 2.Rxh7#
- 2.Qxh7#
- 1...Rd2
- 2.Rxh7#
- 2.Qxh7#
- 1...Re3
- 2.Rxh7#
- 2.Qxh7#
- 1...Rf3
- 2.Rxh7#
- 2.Qxh7#
- 1...Rd4
- 2.Rxh7#
- 2.Qxh7#
- 1...Rd5
- 2.Rxh7#
- 2.Qxh7#
- 1...Rd7
- 2.Rxh7#
- 2.Qxh7#
- 1...Rd8
- 2.Rxh7#
- 2.Qxh7#
- 1...Rh3!
- 1...Rd6+
- 1.bxc8R?
- threat
- 2.Sd6#
- 1...Rd6+
- 2.Sxd6#
- 2.exd6#
- 1...Rg3
- 2.Qxh7#
- 1...Rf3
- 2.Sf6#
- 2.Rxh7#
- 2.Qxh7#
- 1...Rd7
- 2.Rxh7#
- 2.Qxh7#
- 1...Rd8
- 2.Rxh7#
- 2.Qxh7#
- 1...Rh3!
- threat
- 1.Qg2?
- Keys
- 1.Sd6!
- threat
- 2.Sf7#
- 2.bxc8Q#
- 2.bxc8R#
- 1...Rxd6+
- 2.exd6#
- 1...cxd6+
- 2.bxc8Q#
- 2.bxc8R#
- 1...Rxc3
- 2.Sf7#
- 2.Rxh7#
- 2.Qxh7#
- 2.bxc8Q#
- 2.bxc8R#
- 1...Rg3
- 2.Qxh7#
- 1...Rd1
- 2.Sf7#
- 2.Rxh7#
- 2.Qxh7#
- 2.bxc8Q#
- 2.bxc8R#
- 1...Rd2
- 2.Sf7#
- 2.Rxh7#
- 2.Qxh7#
- 2.bxc8Q#
- 2.bxc8R#
- 1...Re3
- 2.Sf7#
- 2.Rxh7#
- 2.Qxh7#
- 2.bxc8Q#
- 2.bxc8R#
- 1...Rf3
- 2.Rxh7#
- 2.Qxh7#
- 1...Rh3
- 2.Sf7#
- 1...Rd4
- 2.Sf7#
- 2.Rxh7#
- 2.Qxh7#
- 2.bxc8Q#
- 2.bxc8R#
- 1...Rd5
- 2.Sf7#
- 2.Rxh7#
- 2.Qxh7#
- 2.bxc8Q#
- 2.bxc8R#
- 1...Ra8
- 2.Sf7#
- 2.bxa8Q#
- 2.bxa8R#
- 1...Rb8
- 2.Sf7#
- 1...Rd8
- 2.Sf7#
- 2.exd8Q#
- 2.exd8R#
- 1...Re8
- 2.Sf7#
- 1...Rf8
- 2.exf8Q#
- 2.exf8R#
- 1...Rg8
- 2.Sf7#
- threat
- 1.Sd6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- R(a);OGATE::QAR1(C),XB(d)
- R(a);CHECK,OGATE::B(D)+P(E),XR(a)
- Tries
- Try
- Q(C);
- Threat
- DUALS(2)
- Vars
- R(a);CHECK,OGATE::B(D)+P(E),XR(a)
- R(e);XS(J)::QAB1(C)
- R(a);N_SPINB(d)::QAB1(C)
- Refutation
- R(a);
- Try
- Q(C);
- Threat
- QAR1(C),XB(d)
- Vars
- R(a);CHECK,OGATE::B(D)+P(E),XR(a)
- Refutation
- R(a);N_SPINB(d)
- Try
- P(H);XR(e)
- Threat
- QAR(H)+S(J)
- Vars
- R(a);OGATE::QAR1(C),XB(d)
- Refutation
- R(a);N_SPINB(d)
- Try
- P(H);XR(e)
- Vars
- R(a);CHECK,OGATE::B(D)+P(E),XR(a)
- R(a);OGATE::QAR1(C),XB(d)
- Refutation
- R(a);N_SPINB(d)
- Try
- P(H);XR(e)
- Vars
- R(a);CHECK,OGATE::B(D)+P(E),XR(a)
- R(a);OGATE::QAR1(C),XB(d)
- Refutation
- R(a);N_SPINB(d)
- Try
- P(H);XR(e)
- Threat
- R(H)+S(J)
- Vars
- R(a);OGATE::QAR1(C),XB(d)
- Refutation
- R(a);N_SPINB(d)
- Try
- Actual
- S(J);
- Threat
- DUALS(3)
- Vars
- R(a);CHECK,OGATE,XS(J)::B(D)+P(E),XR(a)
- P(c);CHECK,XS(J)::PXR(e)=Q
- R(a);OGATE::QAR1(C),XB(d)
- R(a);N_SPINB(d)::S(J)
- R(e);::S(J)
- R(e);OGATE::PXR(e)=Q
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).