MESON Chess Problem Database
Problem Display
PID: 75550 (B7/4p1K1/1p2p2B/1N2k3/4p1Pp/3r4/2Q5/b7 w - - 0 1)
Lennon, Jean
Le Patriote de Nice, 1967
#2
6 + 8
SOLUTION
- SOUND
- Sets
- 1...Rd1
- 2.Qxe4#
- 2.Qh2#
- 1...Rd2
- 2.Qxe4#
- 1...Ra3
- 2.Qxe4#
- 2.Qc7#
- 1...Rb3
- 2.Qxe4#
- 2.Qc7#
- 1...Rc3
- 2.Qxe4#
- 1...Re3
- 2.Qc7#
- 1...Rf3
- 2.Qxe4#
- 2.Qc7#
- 1...Rg3
- 2.Qxe4#
- 2.Qc7#
- 1...Rh3
- 2.Qxe4#
- 2.Qc7#
- 1...Rd4
- 2.Qh2#
- 1...Rd5
- 2.Qh2#
- 1...Rd6
- 2.Qxe4#
- 2.Qh2#
- 1...Rd7
- 2.Qxe4#
- 2.Qh2#
- 1...Rd8
- 2.Qxe4#
- 2.Qh2#
- 1...Bd4
- 2.Qc7#
- 1...e3
- 2.Qh2#
- 1...Rd1
- Tries
- 1.Qxd3?
- threat
- 2.Qxe4#
- 1...e3
- 2.Qe4#
- 2.Qxe3#
- 1...exd3!
- threat
- 1.Qe2?
- threat
- 2.Qxe4#
- 1...Rd4
- 2.Qh2#
- 1...Rd5
- 2.Qh2#
- 1...e3
- 2.Qh2#
- 1...Re3!
- threat
- 1.Qxd3?
- Keys
- 1.Be3!
- threat
- 2.Qh2#
- 1...Rxe3
- 2.Qc7#
- 1...Rd2
- 2.Qxe4#
- threat
- 1.Be3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 5
- Sets
- R(b);OGATE::QAR1(A),XP(c)
- R(b);N_GUARD::QAB(A)
- B(a);S_CUTR(b)::QAB(A)
- P(c);S_CUTR(b)::QAB(A)
- Tries
- Try
- Q(A);XR(b)
- Threat
- QAR1(A),XP(c)
- Refutation
- P(c);XQ(A)
- Try
- Q(A);P_PINP(c)
- Threat
- QAR1(A),XP(c)
- Vars
- R(b);N_GUARD::QAB(A)
- P(c);S_CUTR(b)::QAB(A)
- Refutation
- R(b);N_SPINP(c)
- Try
- Actual
- B(D);
- Threat
- QAB(A)
- Vars
- R(b);N_GUARD,XB(D)::QAB(A)
- R(b);OGATE::QAR1(A),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).