MESON Chess Problem Database
Problem Display
PID: 156783 (N5b1/p1r1P3/pP5R/5Q1p/Kpk3r1/4B1P1/PPNp1b1R/n2B1q2 w - - 0 1)
Gamage, Frederick
British Chess Magazine, 1905
#2
13 + 12
SOLUTION
- SOUND
- Sets
- 1...Qe2
- 2.Bxe2#
- 1...Qg2
- 2.Be2#
- 1...Qh3
- 2.Be2#
- 1...Qg1
- 2.Be2#
- 1...Qh1
- 2.Be2#
- 1...Rxg3
- 2.Qe4#
- 1...Re4
- 2.Qxe4#
- 1...Rh4
- 2.Rxh4#
- 1...Rg5
- 2.Qe4#
- 1...Rg6
- 2.Qe4#
- 1...Rg7
- 2.Qe4#
- 1...Rc6
- 2.Rxc6#
- 1...Rb7
- 2.Rc6#
- 1...Rd7
- 2.Rc6#
- 1...Rxe7
- 2.Rc6#
- 1...Sb3
- 2.axb3#
- 1...b3
- 2.Sa3#
- 1...a5
- 2.Qb5#
- 1...axb6
- 2.Sxb6#
- 1...Qe2
- Tries
- 1.Qxg4+?
- 1...Kd3
- 2.Qd4#
- 1...Kd5
- 2.R2xh5#
- 2.Qd4#
- 1...hxg4!
- 1...Kd3
- 1.Qf4+?
- 1...Kd3
- 2.Sxb4#
- 1...Kd5
- 2.Sxb4#
- 2.Sxc7#
- 2.Bf3#
- 2.Rd6#
- 1...Rxf4!
- 1...Kd3
- 1.bxa7?
- threat
- 2.Sb6#
- 1...Re4
- 2.Qxe4#
- 1...Rg6
- 2.Qe4#
- 1...Rc6
- 2.Rxc6#
- 1...Rb7
- 2.Rc6#
- 1...Bxe3!
- threat
- 1.Qxg4+?
- Keys
- 1.Rd6!
- 1...Qxd1
- 2.Qd3#
- 1...Rxg3
- 2.Rd4#
- 2.Qe4#
- 2.Qf4#
- 1...Rxe7
- 2.Rc6#
- 2.Qc5#
- 1...Bxe3
- 2.Sxe3#
- 1...Bxg3
- 2.Qxf1#
- 1...Sxc2
- 2.Qxc2#
- 1...axb6
- 2.Sxb6#
- 1...Qe2
- 2.Bxe2#
- 1...Qg2
- 2.Be2#
- 2.Qd3#
- 1...Qd3
- 2.Qxd3#
- 1...Qh3
- 2.Be2#
- 2.Qd3#
- 1...Qe1
- 2.Qd3#
- 1...Qg1
- 2.Be2#
- 2.Qd3#
- 1...Qh1
- 2.Be2#
- 2.Qd3#
- 1...Rd4
- 2.Rxd4#
- 1...Re4
- 2.Qxe4#
- 1...Rf4
- 2.Qxf4#
- 1...Rh4
- 2.Rxh4#
- 1...Rg5
- 2.Rd4#
- 2.Qe4#
- 2.Qf4#
- 1...Rg6
- 2.Rd4#
- 2.Qe4#
- 2.Qf4#
- 1...Rg7
- 2.Rd4#
- 2.Qe4#
- 2.Qf4#
- 1...Rc5
- 2.Qxc5#
- 1...Rc6
- 2.Rxc6#
- 1...Rb7
- 2.Rc6#
- 2.Qc5#
- 1...Rd7
- 2.Rc6#
- 2.Qc5#
- 1...Rc8
- 2.Qxc8#
- 1...Be1
- 2.Qxf1#
- 1...Bg1
- 2.Qxf1#
- 1...Bd5
- 2.Qxd5#
- 1...Be6
- 2.Qxe6#
- 1...Bf7
- 2.Qxf7#
- 1...Bh7
- 2.Qe6#
- 2.Qd5#
- 2.Qf7#
- 1...Sb3
- 2.axb3#
- 1...b3
- 2.Sa3#
- 1...h4
- 2.Qxg4#
- 1...a5
- 2.Qb5#
- 1...Qxd1
- 1.Rd6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 16
- REMOVED MATES = 11
- Sets
- Q(b);N_GUARD::B(A),XQ(b)
- Q(b);N_GUARD::B(A)
- R(g);N_GUARD,XP(G)::QAR2(I)
- R(g);N_GUARD::QAR2(I),XR(g)
- R(g);OGATEB::R(E),XR(g)
- R(g);N_GUARD::QAR2(I)
- R(k);N_GUARD::R(K),XR(k)
- R(k);N_GUARD::R(K)
- R(k);N_GUARD,XP(L)::R(K)
- S(a);OGATE::P(B),XS(a)
- P(e);N_GUARD::S(D)
- P(i);N_GUARD::QAB1(I)
- P(j);XP(J)::S(M),XP(j)
- Tries
- Try
- Q(I);CHECK,XR(g)
- Vars
- K(f);S_FLIGHT::QAR1(I)
- Refutation
- P(h);XQ(I)
- Try
- Q(I);CHECK
- Vars
- K(f);S_FLIGHT::S(D),XP(e)
- Refutation
- R(g);XQ(I)
- Try
- P(J);XP(j)
- Threat
- S(M)
- Vars
- R(g);N_GUARD::QAR2(I),XR(g)
- R(g);N_GUARD::QAR2(I)
- R(k);N_GUARD::R(K),XR(k)
- R(k);N_GUARD::R(K)
- Refutation
- B(d);XB(F)
- Try
- Actual
- R(K);
- Vars
- Q(b);N_GUARD,P_PINS(D),XB(A)::QAB1(I)
- B(d);XB(F)::S(D),XB(d)
- B(d);OGATE,XP(G)::QAB(I),XQ(b)
- S(a);OGATE,XS(D)::QAR2(I),XS(a)
- P(j);XP(J)::S(M),XP(j)
- Q(b);N_GUARD::B(A),XQ(b)
- Q(b);N_GUARD::QAB1(I),XQ(b)
- Q(b);N_GUARD::QAB1(I)
- R(g);N_GUARD::R1(K),XR(g)
- R(g);N_GUARD::QAR2(I),XR(g)
- R(g);N_GUARD::QAR(I),XR(g)
- R(g);OGATEB::R(E),XR(g)
- R(k);N_GUARD::QAR1(I),XR(k)
- R(k);N_GUARD::R(K),XR(k)
- R(k);OGATEB::QAR(I),XR(k)
- B(d);OGATE::QAB(I),XQ(b)
- B(l);N_GUARD::QAB1(I),XB(l)
- B(l);N_GUARD::QAB(I),XB(l)
- S(a);OGATE::P(B),XS(a)
- P(e);N_GUARD::S(D)
- P(h);N_GUARD::QAR(I),XR(g)
- P(i);N_GUARD::QAB1(I)
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).