MESON Chess Problem Database
Problem Display
PID: 155364 (3R4/2rB2bK/3q2pp/2p2n2/b5r1/2Q5/3PRpn1/3k2N1 w - - 0 1)
Lipton, Michael
The Problemist, 2014
#2
7 + 12
SOLUTION
- SOUND
- Sets
- 1...Qxd2
- 2.Qxd2#
- 1...Rg3
- 2.Bxa4#
- 1...Rg5
- 2.Bxa4#
- 1...Sf4
- 2.Bxa4#
- 1...c4
- 2.Bxa4#
- 1...Qxd2
- Keys
- 1.d4!
- threat
- 2.Bxa4#
- 2.Qa1#
- 2.Qd2#
- 1...Qxd4
- 2.Bxa4#
- 1...Qxd7
- 2.Qa1#
- 2.Qd2#
- 1...Rxd4
- 2.Qa1#
- 1...Rxd7
- 2.Qa1#
- 2.Qd2#
- 1...Bxd7
- 2.Qa1#
- 2.Qd2#
- 2.Qc2#
- 1...Bxd4
- 2.Qd2#
- 1...Sxd4
- 2.Qa1#
- 2.Qd2#
- 1...fxg1Q
- 2.Qd2#
- 1...fxg1S
- 2.Qd2#
- 1...fxg1B
- 2.Qd2#
- 1...fxg1R
- 2.Qd2#
- 1...cxd4
- 2.Bxa4#
- 2.Qd2#
- 1...Bc2
- 2.Qd2#
- 2.Qxc2#
- 1...f1S
- 2.Bxa4#
- 2.Qa1#
- 1...Qf4
- 2.Bxa4#
- 1...Qd5
- 2.Qa1#
- 2.Qd2#
- 1...Qa6
- 2.Qa1#
- 2.Qd2#
- 1...Qb6
- 2.Qd2#
- 1...Qc6
- 2.Qa1#
- 2.Qd2#
- 1...Qe6
- 2.Qa1#
- 2.Qd2#
- 1...Rc6
- 2.Qa1#
- 2.Qd2#
- 1...Ra7
- 2.Qa1#
- 2.Qd2#
- 1...Rb7
- 2.Qd2#
- 1...Bb3
- 2.Qa1#
- 2.Qd2#
- 1...Bb5
- 2.Qa1#
- 2.Qd2#
- 2.Qc2#
- 1...Bc6
- 2.Qa1#
- 2.Qd2#
- 2.Qc2#
- 1...Be5
- 2.Qa1#
- 2.Qd2#
- 1...Bf6
- 2.Qa1#
- 2.Qd2#
- 1...Bf8
- 2.Qa1#
- 2.Qd2#
- 1...Bh8
- 2.Qa1#
- 2.Qd2#
- 1...Se1
- 2.Rd2#
- 2.Qa1#
- 2.Qd2#
- 1...Sge3
- 2.Qa1#
- 2.Qd2#
- 1...Sfe3
- 2.Qa1#
- 2.Qd2#
- threat
- 1.d4!
This is a version of 155363
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 10
- REMOVED MATES = 5
- Sets
- Q(h);OGATE,XP(B)::QAR1(D),XQ(h)
- R(e);N_GUARD::B(E),XB(d)
- S(c);S_CUTR(e)::B(E),XB(d)
- P(f);S_CUTR(e)::B(E),XB(d)
- Actual
- P(B);
- Threat
- DUALS(3)
- Vars
- Q(h);XP(B)::B(E),XB(d)
- R(e);XP(B)::QAR(D)
- B(l);P_PINB(E),XP(B)::QAR1(D)
- P(b);XS(A)::QAR1(D)
- Q(h);::B(E),XB(d)
- Q(h);::QAR1(D)
- R(k);::QAR1(D)
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).