MESON Chess Problem Database
Problem Display
PID: 208788 (8/B1p3N1/K2n1Q2/3p2p1/BpP1k3/3ppN2/6q1/1R2R1b1 w - - 0 1)
Brown, Theodore Morris
St. Louis Globe Democrat, 1876
#2
9 + 10
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Qf1
- 2.Sd2#
- 2.Sxg5#
- 1...Qh1
- 2.Sd2#
- 2.Sxg5#
- 1...Qxf3
- 2.Qd4#
- 1...Qh3
- 2.Sd2#
- 2.Sxg5#
- 1...Qa2
- 2.Sxg5#
- 1...Qb2
- 2.Sxg5#
- 1...Qc2
- 2.Sxg5#
- 1...Qd2
- 2.Sxd2#
- 2.Sxg5#
- 1...Qe2
- 2.Sxg5#
- 1...Qf2
- 2.Sxg5#
- 1...Qh2
- 2.Sxg5#
- 1...Qg3
- 2.Sd2#
- 1...Qg4
- 2.Sd2#
- 1...Bf2
- 2.Sd2#
- 1...Bh2
- 2.Rxe3#
- 1...Sxc4
- 2.Qf5#
- 1...Sb5
- 2.Qf5#
- 1...Sf5
- 2.Qxf5#
- 1...Sb7
- 2.Qf5#
- 1...Sf7
- 2.Qf5#
- 1...Sc8
- 2.Qf5#
- 1...Se8
- 2.Qf5#
- 1...d2
- 2.Bc2#
- 1...e2
- 2.Sd2#
- 1...dxc4
- 2.Bc6#
- 1...d4
- 2.Bc6#
- 1...g4
- 2.Sg5#
- 1...Qf1
- Tries
- 1.Bd1?
- threat
- 2.Qd4#
- 2.Qe5#
- 1...Qxf3
- 2.Bxf3#
- 2.Qd4#
- 1...Sxc4
- 2.Qd4#
- 2.Qf5#
- 1...Sf5
- 2.Qe5#
- 2.Qxf5#
- 1...d2
- 2.Bc2#
- 2.Qd4#
- 1...Qb2
- 2.Sxg5#
- 1...Qe2
- 2.Sxg5#
- 1...Qh2
- 2.Sxg5#
- 2.Qd4#
- 1...Qg3
- 2.Sd2#
- 2.Qd4#
- 1...Bh2
- 2.Rxe3#
- 2.Qd4#
- 1...Sb5
- 2.Qe5#
- 2.Qf5#
- 1...Sf7
- 2.Qd4#
- 2.Qf5#
- 1...e2
- 2.Sd2#
- 1...d4
- 2.Qxd4#
- 2.Qe5#
- 1...c5
- 2.Qe5#
- 1...Qa2+!
- threat
- 1.Rf1?
- threat
- 2.Qd4#
- 2.Qe5#
- 1...Qxf1
- 2.Sxg5#
- 1...Qxf3
- 2.Qd4#
- 1...Sxc4
- 2.Qd4#
- 2.Qf5#
- 1...Sf5
- 2.Qe5#
- 2.Qxf5#
- 1...d2
- 2.Bc2#
- 2.Qd4#
- 1...c5
- 2.Qe5#
- 1...Qb2
- 2.Sxg5#
- 1...Qf2
- 2.Sxg5#
- 1...Qh2
- 2.Sxg5#
- 2.Qd4#
- 1...Qg3
- 2.Qd4#
- 1...Bh2
- 2.Qd4#
- 1...Sb5
- 2.Qe5#
- 2.Qf5#
- 1...Sf7
- 2.Qd4#
- 2.Qf5#
- 1...e2
- 2.Sd2#
- 2.Qe5#
- 1...d4
- 2.Bc6#
- 2.Qxd4#
- 2.Qe5#
- 1...Bf2!
- threat
- 1.Bd1?
- Keys
- 1.Re2!
- threat
- 2.Sd2#
- 1...Qxf3
- 2.Qd4#
- 1...Qxe2
- 2.Sxg5#
- 1...Sxc4
- 2.Qf5#
- 1...dxe2
- 2.Bc2#
- 1...dxc4
- 2.Bc6#
- 1...Sf5
- 2.Qxf5#
- 1...d2
- 2.Bc2#
- threat
- 1.Re2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 17
- Sets
- Q(b);SBLOCK,XS(C)::QAR1(G)
- Q(b);N_GUARD,P_PINB(D)::S(C),XP(h)
- Q(b);N_GUARD::S(C),XP(h)
- Q(b);N_GUARD,N_SPINP(d)::S(C),XP(h)
- Q(b);N_GUARD::S(C)
- B(a);S_CUTQ(b)::S(C)
- B(a);N_GUARD::R1(B),XP(d)
- S(i);N_GUARD,XP(E)::QAB1(G)
- S(i);N_GUARD::QAB1(G)
- S(i);N_GUARD::QAB1(G),XS(i)
- P(c);OGATEB::B(D)
- P(d);S_CUTQ(b)::S(C)
- P(g);OGATEB,XP(E)::B(D)
- P(g);OGATEB::B(D)
- P(h);S_CUTQ(b)::S(C)
- Tries
- Try
- B(D);
- Threat
- DUALS(2)
- Vars
- Q(b);N_GUARD::S(C),XP(h)
- Q(b);N_GUARD,N_SPINP(d)::S(C),XP(h)
- P(d);S_CUTQ(b)::S(C)
- P(j);::QAR1(G)
- Refutation
- Q(b);CHECK
- Try
- R(B);N_PINP(d)
- Threat
- DUALS(2)
- Vars
- Q(b);N_GUARD,XR(B)::S(C),XP(h)
- Q(b);XS(C)::QAR1(G)
- P(j);::QAR1(G)
- Q(b);N_GUARD::S(C),XP(h)
- Q(b);::QAR1(G)
- B(a);::QAR1(G)
- Refutation
- B(a);
- Try
- Actual
- R(B);
- Threat
- S(C)
- Vars
- Q(b);SBLOCK,XS(C)::QAR1(G)
- Q(b);N_GUARD,N_SPINP(d),XR(B)::S(C),XP(h)
- S(i);N_GUARD,XP(E)::QAB1(G)
- P(c);N_SPINP(d),OGATEB,XR(B)::B(D)
- P(g);OGATEB,XP(E)::B(D)
- S(i);N_GUARD::QAB1(G),XS(i)
- P(c);OGATEB::B(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).