MESON Chess Problem Database
Problem Display
PID: 21280 (8/4p3/2QbK3/2p2p2/N1pk4/p1R1n1p1/P1Rp2B1/3r4 w - - 0 1)
Warton, Edwin
Chess Amateur (The), 1918
#2
7 + 11
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Rxd2#
- 1...Rb1
- 2.Rxd2#
- 1...Rc1
- 2.Rxd2#
- 1...Re1
- 2.Rxd2#
- 1...Rf1
- 2.Rxd2#
- 1...Rg1
- 2.Rxd2#
- 1...Rh1
- 2.Rxd2#
- 1...Bf4
- 2.Qxc5#
- 1...Be5
- 2.Qxc5#
- 1...Bc7
- 2.Qxc5#
- 1...Bb8
- 2.Qxc5#
- 1...Sf1
- 2.Qd5#
- 1...Sxc2
- 2.Qd5#
- 1...Sxg2
- 2.Qd5#
- 1...Sg4
- 2.Qd5#
- 1...Sd5
- 2.Qxd5#
- 1...f4
- 2.Qe4#
- 1...Ra1
- Tries
- 1.Bh1?
- 1...Rxh1
- 2.Rxd2#
- 1...Sxc2
- 2.Qd5#
- 1...Ra1
- 2.Rxd2#
- 1...Rb1
- 2.Rxd2#
- 1...Rc1
- 2.Rxd2#
- 1...Re1
- 2.Rxd2#
- 1...Rf1
- 2.Rxd2#
- 1...Rg1
- 2.Rxd2#
- 1...Bf4
- 2.Qxc5#
- 1...Be5
- 2.Qxc5#
- 1...Bc7
- 2.Qxc5#
- 1...Bb8
- 2.Qxc5#
- 1...Sf1
- 2.Qd5#
- 1...Sg2
- 2.Qd5#
- 1...Sg4
- 2.Qd5#
- 1...Sd5
- 2.Qxd5#
- 1...f4
- 2.Qe4#
- 1...g2!
- 1...Rxh1
- 1.Bf3?
- 1...Sxc2
- 2.Qd5#
- 1...Ra1
- 2.Rxd2#
- 1...Rb1
- 2.Rxd2#
- 1...Rc1
- 2.Rxd2#
- 1...Re1
- 2.Rxd2#
- 1...Rf1
- 2.Rxd2#
- 1...Rg1
- 2.Rxd2#
- 1...Rh1
- 2.Rxd2#
- 1...Bf4
- 2.Qxc5#
- 1...Be5
- 2.Qxc5#
- 1...Bc7
- 2.Qxc5#
- 1...Bb8
- 2.Qxc5#
- 1...Sf1
- 2.Qd5#
- 1...Sg2
- 2.Qd5#
- 1...Sg4
- 2.Qd5#
- 1...Sd5
- 2.Qxd5#
- 1...f4
- 2.Qe4#
- 1...g2!
- 1...Sxc2
- 1.Rb2?
- 1...Sxg2
- 2.Qd5#
- 1...Ra1
- 2.Rxd2#
- 1...Rb1
- 2.Rxd2#
- 1...Rc1
- 2.Rxd2#
- 1...Re1
- 2.Rxd2#
- 1...Rf1
- 2.Rxd2#
- 1...Rg1
- 2.Rxd2#
- 1...Rh1
- 2.Rxd2#
- 1...Bf4
- 2.Qxc5#
- 1...Be5
- 2.Qxc5#
- 1...Bc7
- 2.Qxc5#
- 1...Bb8
- 2.Qxc5#
- 1...Sf1
- 2.Qd5#
- 1...Sc2
- 2.Qd5#
- 1...Sg4
- 2.Qd5#
- 1...Sd5
- 2.Qxd5#
- 1...f4
- 2.Qe4#
- 1...axb2!
- 1...Sxg2
- 1.Rxa3?
- 1...Sxc2
- 2.Qd5#
- 1...Sxg2
- 2.Qd5#
- 1...Ra1
- 2.Rxd2#
- 1...Rb1
- 2.Rxd2#
- 1...Rc1
- 2.Rxd2#
- 1...Re1
- 2.Rxd2#
- 1...Rf1
- 2.Rxd2#
- 1...Rg1
- 2.Rxd2#
- 1...Rh1
- 2.Rxd2#
- 1...Bf4
- 2.Qxc5#
- 1...Be5
- 2.Qxc5#
- 1...Bc7
- 2.Qxc5#
- 1...Bb8
- 2.Qxc5#
- 1...Sf1
- 2.Qd5#
- 1...Sg4
- 2.Qd5#
- 1...Sd5
- 2.Qxd5#
- 1...f4
- 2.Qe4#
- 1...c3!
- 1...Sxc2
- 1.Qb5?
- 1...Sxc2
- 2.Qxc4#
- 1...Sxg2
- 2.Qxc4#
- 1...Ra1
- 2.Rxd2#
- 1...Rb1
- 2.Rxd2#
- 1...Rc1
- 2.Rxd2#
- 1...Re1
- 2.Rxd2#
- 1...Rf1
- 2.Rxd2#
- 1...Rg1
- 2.Rxd2#
- 1...Rh1
- 2.Rxd2#
- 1...Bf4
- 2.Qxc5#
- 1...Be5
- 2.Qxc5#
- 1...Bc7
- 2.Qxc5#
- 1...Bb8
- 2.Qxc5#
- 1...Sf1
- 2.Qxc4#
- 1...Sg4
- 2.Qxc4#
- 1...Sd5
- 2.Qxc4#
- 1...f4!
- 1...Sxc2
- 1.Qxd6+?
- 1...Sd5
- 2.Qxc5#
- 2.Qe5#
- 2.Qxd5#
- 1...exd6!
- 1...Sd5
- 1.Bh1?
- Keys
- 1.Qf3!
- threat
- 2.Qxe3#
- 1...Sxc2
- 2.Qd5#
- 1...Sxg2
- 2.Rxc4#
- 2.Qd5#
- 1...Re1
- 2.Rxd2#
- 1...Bf4
- 2.Qxf4#
- 1...Sf1
- 2.Rxc4#
- 2.Qd5#
- 1...Sg4
- 2.Rxc4#
- 2.Qd5#
- 1...Sd5
- 2.Rxc4#
- 2.Qxd5#
- 1...f4
- 2.Qe4#
- threat
- 1.Qf3!
FEATURES
- Static
- TYPE = BLOCK_THREAT
- CHANGED MATES = 1
- ADDED MATES = 0
- REMOVED MATES = 13
- Sets
- R(a);N_GUARD::R(B),XP(b)
- B(j);N_GUARD::QAB1(F),XP(h)
- S(d);N_GUARD::QAR1(F)
- S(d);N_GUARD,XR(B)::QAR1(F)
- S(d);N_GUARD,XB(C)::QAR1(F)
- S(d);N_GUARD::QAR1(F),XS(d)
- P(i);N_GUARD::QAR1(F)
- Tries
- Try
- B(C);
- Vars
- R(a);N_GUARD,XB(C)::R(B),XP(b)
- S(d);N_GUARD,XR(B)::QAR1(F)
- R(a);N_GUARD::R(B),XP(b)
- B(j);N_GUARD::QAB1(F),XP(h)
- S(d);N_GUARD::QAR1(F)
- S(d);N_GUARD::QAR1(F),XS(d)
- P(i);N_GUARD::QAR1(F)
- Refutation
- P(e);
- Try
- B(C);
- Vars
- S(d);N_GUARD,XR(B)::QAR1(F)
- R(a);N_GUARD::R(B),XP(b)
- B(j);N_GUARD::QAB1(F),XP(h)
- S(d);N_GUARD::QAR1(F)
- S(d);N_GUARD::QAR1(F),XS(d)
- P(i);N_GUARD::QAR1(F)
- Refutation
- P(e);
- Try
- R(B);
- Vars
- S(d);N_GUARD,XB(C)::QAR1(F)
- R(a);N_GUARD::R(B),XP(b)
- B(j);N_GUARD::QAB1(F),XP(h)
- S(d);N_GUARD::QAR1(F)
- S(d);N_GUARD::QAR1(F),XS(d)
- P(i);N_GUARD::QAR1(F)
- Refutation
- P(c);XR(B)
- Try
- R(D);XP(c)
- Vars
- S(d);N_GUARD,XR(B)::QAR1(F)
- S(d);N_GUARD,XB(C)::QAR1(F)
- R(a);N_GUARD::R(B),XP(b)
- B(j);N_GUARD::QAB1(F),XP(h)
- S(d);N_GUARD::QAR1(F)
- S(d);N_GUARD::QAR1(F),XS(d)
- P(i);N_GUARD::QAR1(F)
- Refutation
- P(f);
- Try
- Q(F);
- Vars
- S(d);N_GUARD,XR(B)::QAR1(F),XP(f)
- S(d);N_GUARD,XB(C)::QAR1(F),XP(f)
- R(a);N_GUARD::R(B),XP(b)
- B(j);N_GUARD::QAB1(F),XP(h)
- S(d);N_GUARD::QAR1(F),XP(f)
- Refutation
- P(i);
- Try
- Q(F);CHECK,XB(j)
- Refutation
- P(k);XQ(F)
- Try
- Actual
- Q(F);
- Threat
- QAB1(F),XS(d)
- Vars
- S(d);N_GUARD,XR(B)::QAR1(F)
- R(a);N_GUARD::R(B),XP(b)
- B(j);N_GUARD::QAR2(F),XB(j)
- P(i);N_GUARD::QAR1(F)
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).