MESON Chess Problem Database
Problem Display
PID: 84373 (1n4B1/3P1R2/2N5/2p3N1/4P1p1/3k4/Prb2P1Q/B1R1K3 w - - 0 1)
Brown, Theodore Morris
2. American Chess Congress, 1871
#2
12 + 6
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rb1
- 2.Se5#
- 1...Rxa2
- 2.Se5#
- 1...Rb3
- 2.Se5#
- 1...Rb4
- 2.Se5#
- 1...Rb5
- 2.Se5#
- 1...Rb6
- 2.Se5#
- 1...Rb7
- 2.Se5#
- 1...Bb1
- 2.Qg3#
- 2.Qd6#
- 1...Bd1
- 2.Qd6#
- 1...Bb3
- 2.Qg3#
- 1...Ba4
- 2.Qg3#
- 2.Qd6#
- 1...g3
- 2.Rf3#
- 1...c4
- 2.Qg3#
- 1...Rb1
- Tries
- 1.Se5+?
- 1...Kd4
- 2.Bxb2#
- 1...Kc3!
- 1...Kd4
- 1.Rf4?
- threat
- 2.Qg3#
- 1...Kc3
- 2.Qg3#
- 1...Bd1
- 2.Bc4#
- 1...g3
- 2.Rf3#
- 2.Qxg3#
- 1...Sxc6!
- threat
- 1.Rf5?
- threat
- 2.Qg3#
- 1...Kc3
- 2.Qg3#
- 1...Bd1
- 2.Bc4#
- 2.Rd5#
- 2.Qd6#
- 1...g3
- 2.Rf3#
- 2.Qxg3#
- 1...Sxc6!
- threat
- 1.Rf6?
- threat
- 2.Qg3#
- 1...Kc3
- 2.Qg3#
- 1...Bd1
- 2.Bc4#
- 2.Rd6#
- 2.Qd6#
- 1...g3
- 2.Rf3#
- 2.Qxg3#
- 1...Sxc6!
- threat
- 1.Re7?
- threat
- 2.Qg3#
- 1...Kc3
- 2.Qg3#
- 1...Bd1
- 2.Bc4#
- 2.Qd6#
- 1...g3
- 2.Qxg3#
- 1...Sxc6!
- threat
- 1.Rg7?
- threat
- 2.Qg3#
- 1...Kc3
- 2.Qg3#
- 1...Bd1
- 2.Bc4#
- 2.Qd6#
- 1...g3
- 2.Qxg3#
- 1...Sxc6!
- threat
- 1.Rh7?
- threat
- 2.Qg3#
- 1...Kc3
- 2.Qg3#
- 1...Bd1
- 2.Bc4#
- 2.Qd6#
- 1...g3
- 2.Qxg3#
- 1...Sxc6!
- threat
- 1.Rf8?
- threat
- 2.Qg3#
- 1...Kc3
- 2.Qg3#
- 1...Bd1
- 2.Bc4#
- 2.Qd6#
- 1...g3
- 2.Rf3#
- 2.Qxg3#
- 1...Sxc6!
- threat
- 1.Qh3+?
- 1...gxh3
- 2.Rf3#
- 1...g3
- 2.Rf3#
- 1...Kc4!
- 1...gxh3
- 1.Se5+?
- Keys
- 1.Qxb8!
- 1...Kc3
- 2.Qb3#
- 1...Kc4
- 2.Rf3#
- 1...Rxa2
- 2.Se5#
- 1...Rxb8
- 2.Se5#
- 1...Rb1
- 2.Se5#
- 1...Rb3
- 2.Se5#
- 1...Rb4
- 2.Se5#
- 1...Rb5
- 2.Se5#
- 1...Rb6
- 2.Se5#
- 1...Rb7
- 2.Se5#
- 1...Bb1
- 2.Qg3#
- 2.Qd6#
- 2.d8Q#
- 2.d8R#
- 1...Bd1
- 2.Qd6#
- 2.d8Q#
- 2.d8R#
- 1...Bb3
- 2.Qg3#
- 1...Ba4
- 2.Qg3#
- 2.Qd6#
- 2.d8Q#
- 2.d8R#
- 1...g3
- 2.Rf3#
- 1...c4
- 2.Qg3#
- 1...Kc3
- 1.Qxb8!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 1
- Sets
- R(a);P_PINR(B)::S(I)
- R(a);XP(D)::S(I)
- R(a);::S(I)
- B(b);::QAR(F)
- P(d);N_GUARD::R(K)
- P(e);SBLOCK::QAR(F)
- Tries
- Try
- S(I);CHECK
- Vars
- K(c);P-FLIGHT,P_SPINR(a)::B(A),XR(a)
- Refutation
- K(c);P-FLIGHT,P_SPINB(b),P_SPINR(a)
- Try
- R(K);
- Threat
- QAR(F)
- Vars
- K(c);P-FLIGHT,P_SPINB(b),P_SPINR(a)::QAR(F)
- B(b);::B(L)
- Refutation
- S(f);XS(I)
- Try
- R(K);
- Threat
- QAR(F)
- Vars
- K(c);P-FLIGHT,P_SPINB(b),P_SPINR(a)::QAR(F)
- Refutation
- S(f);XS(I)
- Try
- R(K);
- Threat
- QAR(F)
- Vars
- K(c);P-FLIGHT,P_SPINB(b),P_SPINR(a)::QAR(F)
- Refutation
- S(f);XS(I)
- Try
- R(K);
- Threat
- QAR(F)
- Vars
- K(c);P-FLIGHT,P_SPINB(b),P_SPINR(a)::QAR(F)
- P(d);::QAR(F),XP(d)
- Refutation
- S(f);XS(I)
- Try
- R(K);
- Threat
- QAR(F)
- Vars
- K(c);P-FLIGHT,P_SPINB(b),P_SPINR(a)::QAR(F)
- P(d);::QAR(F),XP(d)
- Refutation
- S(f);XS(I)
- Try
- R(K);
- Threat
- QAR(F)
- Vars
- K(c);P-FLIGHT,P_SPINB(b),P_SPINR(a)::QAR(F)
- P(d);::QAR(F),XP(d)
- Refutation
- S(f);XS(I)
- Try
- R(K);
- Threat
- QAR(F)
- Vars
- K(c);P-FLIGHT,P_SPINB(b),P_SPINR(a)::QAR(F)
- Refutation
- S(f);XS(I)
- Try
- Q(F);CHECK
- Vars
- P(d);N_GUARD,XQ(F)::R(K)
- P(d);N_GUARD,P_SPINP(d)::R(K)
- Refutation
- K(c);P_SPINB(b),S_FLIGHT
- Try
- Actual
- Q(F);XS(f)
- Vars
- K(c);P-FLIGHT,P_SPINB(b),P_SPINR(a)::QAR1(F)
- K(c);P_SPINB(b),S_FLIGHT::B(L)+R(K)
- R(a);XP(D)::S(I)
- R(a);XQ(F)::S(I)
- R(a);P_PINR(B)::S(I)
- R(a);::S(I)
- B(b);::QAR(F)
- P(d);N_GUARD::R(K)
- P(e);SBLOCK::QAR(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).