MESON Chess Problem Database
Problem Display
PID: 51011 (1b6/p2R3Q/2pPp3/3k1p2/1PN1bPn1/2K5/8/7B w - - 0 1)
Pickering, GE
Dewsbury Reporter, 1910
#2
8 + 8
SOLUTION
- SOUND
- Sets
- 1...Bxh1
- 2.Qxh1#
- 1...Bg2
- 2.Bxg2#
- 1...Bf3
- 2.Bxf3#
- 1...Bxd6
- 2.Rxd6#
- 1...Bc7
- 2.dxc7#
- 1...Sf2
- 2.Se3#
- 1...Sh2
- 2.Se3#
- 1...Se3
- 2.Sxe3#
- 1...Se5
- 2.Se3#
- 1...Sf6
- 2.Se3#
- 1...Sh6
- 2.Se3#
- 1...e5
- 2.Qg8#
- 2.Qf7#
- 1...a5
- 2.Sb6#
- 1...a6
- 2.Sb6#
- 1...Bxh1
- Tries
- 1.Qxf5+?
- 1...Se5
- 2.Se3#
- 2.Bxe4#
- 2.Qxe4#
- 2.Qxe5#
- 1...e5
- 2.Bxe4#
- 2.Qf7#
- 1...exf5!
- 1...Se5
- 1.Qh5?
- 1...Bxh1
- 2.Qxh1#
- 1...Bxd6
- 2.Rxd6#
- 1...Bg2
- 2.Bxg2#
- 1...Bf3
- 2.Bxf3#
- 1...e5
- 2.Qf7#
- 1...Sf2
- 2.Se3#
- 1...Bc7
- 2.dxc7#
- 1...Sh2
- 2.Se3#
- 2.Qd1#
- 1...Se3
- 2.Sxe3#
- 1...Se5
- 2.Se3#
- 1...Sf6
- 2.Se3#
- 2.Qd1#
- 1...Sh6
- 2.Se3#
- 2.Qd1#
- 1...a5
- 2.Sb6#
- 1...a6
- 2.Sb6#
- 1...c5!
- 1...Bxh1
- 1.Qg7?
- threat
- 2.Qd4#
- 1...e5
- 2.Qf7#
- 2.Qg8#
- 1...Se5
- 2.Se3#
- 2.Qxe5#
- 1...Sf6
- 2.Se3#
- 1...c5!
- threat
- 1.Qh8?
- threat
- 2.Qd4#
- 1...e5
- 2.Qg8#
- 1...Se5
- 2.Se3#
- 2.Qxe5#
- 1...Sf6
- 2.Se3#
- 1...c5!
- threat
- 1.Qxf5+?
- Keys
- 1.Rd8!
- 1...Bxh1
- 2.Qxh1#
- 1...Bxd6
- 2.Rxd6#
- 1...Bg2
- 2.Bxg2#
- 1...Bf3
- 2.Bxf3#
- 1...c5
- 2.Qb7#
- 1...e5
- 2.Qg8#
- 2.Qf7#
- 1...Sf2
- 2.Se3#
- 1...Bc7
- 2.dxc7#
- 1...Sh2
- 2.Se3#
- 1...Se3
- 2.Sxe3#
- 1...Se5
- 2.Se3#
- 1...Sf6
- 2.Se3#
- 1...Sh6
- 2.Se3#
- 1...a5
- 2.Sb6#
- 1...a6
- 2.Sb6#
- 1...Bxh1
- 1.Rd8!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- B(a);N_SPINB(a),OGATE,XB(A)::QAB(H),XB(a)
- B(a);OGATEB::B(A),XB(a)
- B(h);OGATE,XP(F)::R1(G),XB(h)
- B(h);OGATE::R(G)+P(F),XB(h)
- S(b);N_GUARD::S(D)
- S(b);N_GUARD::S(D),XS(b)
- P(g);N_GUARD::S(D)
- Tries
- Try
- Q(H);CHECK,XP(d)
- Refutation
- P(f);XQ(H)
- Try
- Q(H);P_PINP(d)
- Vars
- B(a);N_SPINB(a),OGATE,XB(A)::QAB(H),XB(a)
- B(h);OGATE,XP(F)::R1(G),XB(h)
- B(a);OGATEB::B(A),XB(a)
- P(f);N_SPINP(d),OGATEB::QAB(H)
- S(b);N_GUARD::S(D)
- B(h);OGATE::R(G)+P(F),XB(h)
- S(b);N_GUARD::S(D),XS(b)
- S(b);N_GUARD,N_SPINP(d)::S(D)
- P(g);N_GUARD::S(D)
- Refutation
- P(e);
- Try
- Q(H);
- Threat
- QAR1(H)
- Vars
- S(b);N_GUARD::S(D)
- Refutation
- P(e);
- Try
- Q(H);
- Threat
- QAR1(H)
- Vars
- P(f);OGATEB::QAB(H)
- S(b);N_GUARD::S(D)
- Refutation
- P(e);
- Try
- Actual
- R(G);
- Vars
- B(a);N_SPINB(a),OGATE,XB(A)::QAB(H),XB(a)
- B(h);OGATE,XP(F)::R1(G),XB(h)
- B(a);OGATEB::B(A),XB(a)
- P(e);OGATEB::QAB(H)
- S(b);N_GUARD::S(D)
- B(h);OGATE::R(G)+P(F),XB(h)
- S(b);N_GUARD::S(D),XS(b)
- P(g);N_GUARD::S(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).