MESON Chess Problem Database
Problem Display
PID: 51062 (8/2Nn4/B1q4B/3np3/R2p1r1b/2k2p2/PN2pQ2/2K1R3 w - - 0 1)
Stanton, LW
Burnley Express, 1880
#2
9 + 10
SOLUTION
- SOUND
- Sets
- 1...Qxa4
- 2.Sxd5#
- 1...Qb5
- 2.Sxb5#
- 1...Qb7
- 2.Rc4#
- 1...Qa8
- 2.Sb5#
- 2.Rc4#
- 1...Qc4
- 2.Rxc4#
- 1...Qxa6
- 2.Sxd5#
- 1...Qb6
- 2.Sxd5#
- 2.Rc4#
- 1...Qd6
- 2.Sb5#
- 2.Rc4#
- 1...Qe6
- 2.Sb5#
- 2.Rc4#
- 1...Qf6
- 2.Sb5#
- 2.Sxd5#
- 2.Rc4#
- 1...Qg6
- 2.Sb5#
- 2.Sxd5#
- 2.Rc4#
- 1...Qxh6
- 2.Sb5#
- 2.Sxd5#
- 2.Rc4#
- 1...Re4
- 2.Bd2#
- 1...Rg4
- 2.Bd2#
- 1...Rf5
- 2.Bd2#
- 1...Rf6
- 2.Bd2#
- 1...Rf7
- 2.Bd2#
- 1...Rf8
- 2.Bd2#
- 1...Sb4
- 2.Ra3#
- 1...Sc5
- 2.Rc4#
- 1...e4
- 2.Qxd4#
- 1...Qxa4
- Tries
- 1.Qxe2?
- threat
- 2.Sd1#
- 2.Qd3#
- 2.Qc2#
- 2.Qd2#
- 1...Qxa4
- 2.Sxd5#
- 2.Qd2#
- 1...Qxa6
- 2.Sd1#
- 2.Sxd5#
- 2.Qc2#
- 2.Qd2#
- 1...Bxe1
- 2.Sd1#
- 2.Qd3#
- 2.Qxe1#
- 2.Qc2#
- 1...Se3
- 2.Qd3#
- 2.Qd2#
- 1...Qb5
- 2.Sd1#
- 2.Sxb5#
- 2.Qc2#
- 2.Qd2#
- 1...Qc4
- 2.Sd1#
- 2.Rxc4#
- 2.Qxc4#
- 2.Qc2#
- 2.Qd2#
- 1...Qg6
- 2.Sd1#
- 2.Sb5#
- 2.Sxd5#
- 2.Rc4#
- 2.Qc4#
- 2.Qd2#
- 1...Sb4
- 2.Sd1#
- 2.Ra3#
- 2.Qd2#
- 1...Sc5
- 2.Sd1#
- 2.Rc4#
- 2.Qc4#
- 2.Qc2#
- 2.Qd2#
- 1...d3
- 2.Sd1#
- 2.Qxd3#
- 2.Qd2#
- 1...e4
- 2.Sd1#
- 2.Qc2#
- 2.Qd2#
- 1...fxe2!
- threat
- 1.Qxf3+?
- 1...Rxf3
- 2.Bd2#
- 1...d3
- 2.Qxd3#
- 1...Se3!
- 1...Rxf3
- 1.Qxe2?
- Keys
- 1.Rd1!
- threat
- 2.Rd3#
- 1...exd1Q+
- 2.Sxd1#
- 1...exd1R+
- 2.Sxd1#
- 1...Qxa4
- 2.Sxd5#
- 1...Qxa6
- 2.Sxd5#
- 1...exd1S
- 2.Sxd1#
- 2.Qc2#
- 2.Qd2#
- 1...exd1B
- 2.Sxd1#
- 2.Qd2#
- 1...e1Q
- 2.Qc2#
- 1...e1S
- 2.Qd2#
- 1...e1R
- 2.Qc2#
- 2.Qd2#
- 1...Qb5
- 2.Sxb5#
- 1...Qc4
- 2.Rxc4#
- 1...Qg6
- 2.Sb5#
- 2.Sxd5#
- 2.Rc4#
- 1...Sb4
- 2.Ra3#
- 1...Sc5
- 2.Rc4#
- 1...d3
- 2.Rxd3#
- 1...e4
- 2.Qxd4#
- threat
- 1.Rd1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 7
- Sets
- Q(i);N_GUARD,XR(F)::S(I),XS(g)
- Q(i);N_GUARD::S(I),XQ(i)
- Q(i);N_GUARD::R1(F)
- Q(i);N_GUARD::R1(F),XQ(i)
- Q(i);N_GUARD,XB(G)::S(I),XS(g)
- R(e);OGATE::B(H)
- S(g);SBLOCK::R(F)
- S(j);S_CUTQ(i)::R1(F)
- P(h);N_GUARD,S_CUTR(e)::QAB1(E),XP(d)
- Tries
- Try
- Q(E);XP(a)
- Threat
- DUALS(4)
- Refutation
- P(c);XQ(E)
- Try
- Q(E);CHECK,XP(c)
- Vars
- R(e);OGATE,XQ(E)::B(H)
- P(d);P_SPINP(d)::QAR1(E),XP(d)
- Refutation
- S(g);P_SPINS(g)
- Try
- Actual
- R(B);
- Threat
- R1(B)
- Vars
- P(a);CHECK,XR(B)::S(D),XQ(a)
- P(a);CHECK,XR(B)::S(D),XR(a)
- Q(i);N_GUARD,XR(F)::S(I),XS(g)
- Q(i);N_GUARD,XB(G)::S(I),XS(g)
- P(a);OGATE,P_PINR(B)::QAR1(E)
- P(a);OGATE::QAB1(E)
- Q(i);N_GUARD::S(I),XQ(i)
- Q(i);N_GUARD::R1(F),XQ(i)
- S(g);SBLOCK::R(F)
- S(j);S_CUTQ(i)::R1(F)
- P(d);::R1(B),XP(d)
- P(h);N_GUARD,S_CUTR(e)::QAB1(E),XP(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).