MESON Chess Problem Database
Problem Display
PID: 208826 (n3b3/1q3p2/2N2Q1K/3k2N1/P1p5/2n1B3/R7/1B2b3 w - - 0 1)
Brown, Theodore Morris
Detroit Free Press, 1876
#2
8 + 8
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Qa6
- 2.Sb4#
- 2.Se7#
- 1...Qc8
- 2.Sb4#
- 2.Se7#
- 1...Qxb1
- 2.Se7#
- 1...Qb2
- 2.Se7#
- 1...Qb3
- 2.Se7#
- 1...Qb4
- 2.Sxb4#
- 1...Qb5
- 2.Se7#
- 1...Qb6
- 2.Se7#
- 1...Qa7
- 2.Sb4#
- 1...Qc7
- 2.Sb4#
- 1...Qd7
- 2.Sb4#
- 1...Qe7
- 2.Sxe7#
- 1...Qb8
- 2.Se7#
- 1...Bd2
- 2.Rxd2#
- 1...Bf2
- 2.Rd2#
- 1...Bg3
- 2.Rd2#
- 1...Bh4
- 2.Rd2#
- 1...Bxc6
- 2.Qd4#
- 1...Bd7
- 2.Se7#
- 1...Sd1
- 2.Be4#
- 1...Sxa2
- 2.Be4#
- 1...Se2
- 2.Be4#
- 1...Sxa4
- 2.Be4#
- 1...Se4
- 2.Bxe4#
- 1...Sb5
- 2.Be4#
- 1...Sb6
- 2.Sb4#
- 1...Sc7
- 2.Se7#
- 1...Qa6
- Tries
- 1.Kh5?
- 1...Qxc6
- 2.Qd4#
- 1...Qxb1
- 2.Se7#
- 1...Bxc6
- 2.Qd4#
- 1...Sxa2
- 2.Be4#
- 1...Sxa4
- 2.Be4#
- 1...Qa6
- 2.Sb4#
- 2.Se7#
- 1...Qc8
- 2.Sb4#
- 2.Se7#
- 1...Qb2
- 2.Se7#
- 1...Qb3
- 2.Se7#
- 1...Qb4
- 2.Sxb4#
- 1...Qb5
- 2.Se7#
- 1...Qb6
- 2.Se7#
- 1...Qa7
- 2.Sb4#
- 1...Qc7
- 2.Sb4#
- 1...Qd7
- 2.Sb4#
- 1...Qe7
- 2.Sxe7#
- 1...Qb8
- 2.Se7#
- 1...Bd2
- 2.Rxd2#
- 1...Bf2
- 2.Rd2#
- 1...Bg3
- 2.Rd2#
- 1...Bh4
- 2.Rd2#
- 1...Bd7
- 2.Se7#
- 1...Sd1
- 2.Be4#
- 1...Se2
- 2.Be4#
- 1...Se4
- 2.Bxe4#
- 1...Sb5
- 2.Be4#
- 1...Sb6
- 2.Sb4#
- 1...Sc7
- 2.Se7#
- 1...Sxb1!
- 1...Qxc6
- 1.Kg7?
- 1...Qxc6
- 2.Qd4#
- 1...Qxb1
- 2.Se7#
- 1...Bxc6
- 2.Qd4#
- 1...Sxa2
- 2.Be4#
- 1...Sxa4
- 2.Be4#
- 1...Qa6
- 2.Sb4#
- 2.Se7#
- 1...Qc8
- 2.Sb4#
- 2.Se7#
- 1...Qb2
- 2.Se7#
- 1...Qb3
- 2.Se7#
- 1...Qb4
- 2.Sxb4#
- 1...Qb5
- 2.Se7#
- 1...Qb6
- 2.Se7#
- 1...Qa7
- 2.Sb4#
- 1...Qc7
- 2.Sb4#
- 1...Qd7
- 2.Sb4#
- 1...Qe7
- 2.Sxe7#
- 1...Qb8
- 2.Se7#
- 1...Bd2
- 2.Rxd2#
- 1...Bf2
- 2.Rd2#
- 1...Bg3
- 2.Rd2#
- 1...Bh4
- 2.Rd2#
- 1...Bd7
- 2.Se7#
- 1...Sd1
- 2.Be4#
- 1...Se2
- 2.Be4#
- 1...Se4
- 2.Bxe4#
- 1...Sb5
- 2.Be4#
- 1...Sb6
- 2.Sb4#
- 1...Sc7
- 2.Se7#
- 1...Sxb1!
- 1...Qxc6
- 1.Bf5?
- 1...Bxc6
- 2.Qd4#
- 1...Sxa2
- 2.Be4#
- 1...Sxa4
- 2.Be4#
- 1...Qa6
- 2.Sb4#
- 2.Se7#
- 1...Qc8
- 2.Sb4#
- 2.Se7#
- 1...Qb1
- 2.Se7#
- 1...Qb2
- 2.Se7#
- 1...Qb3
- 2.Se7#
- 1...Qb4
- 2.Sxb4#
- 1...Qb5
- 2.Se7#
- 1...Qb6
- 2.Se7#
- 1...Qa7
- 2.Sb4#
- 1...Qc7
- 2.Sb4#
- 1...Qd7
- 2.Sb4#
- 1...Qe7
- 2.Sxe7#
- 1...Qb8
- 2.Se7#
- 1...Bd2
- 2.Rxd2#
- 1...Bf2
- 2.Rd2#
- 1...Bg3
- 2.Rd2#
- 1...Bh4
- 2.Rd2#
- 1...Bd7
- 2.Se7#
- 1...Sb1
- 2.Be4#
- 1...Sd1
- 2.Be4#
- 1...Se2
- 2.Be4#
- 1...Se4
- 2.Bxe4#
- 1...Sb5
- 2.Be4#
- 1...Sb6
- 2.Sb4#
- 1...Sc7
- 2.Se7#
- 1...Qxc6!
- 1...Bxc6
- 1.Bh7?
- 1...Bxc6
- 2.Qd4#
- 1...Sxa2
- 2.Be4#
- 1...Sxa4
- 2.Be4#
- 1...Qa6
- 2.Sb4#
- 2.Se7#
- 1...Qc8
- 2.Sb4#
- 2.Se7#
- 1...Qb1
- 2.Se7#
- 1...Qb2
- 2.Se7#
- 1...Qb3
- 2.Se7#
- 1...Qb4
- 2.Sxb4#
- 1...Qb5
- 2.Se7#
- 1...Qb6
- 2.Se7#
- 1...Qa7
- 2.Sb4#
- 1...Qc7
- 2.Sb4#
- 1...Qd7
- 2.Sb4#
- 1...Qe7
- 2.Sxe7#
- 1...Qb8
- 2.Se7#
- 1...Bd2
- 2.Rxd2#
- 1...Bf2
- 2.Rd2#
- 1...Bg3
- 2.Rd2#
- 1...Bh4
- 2.Rd2#
- 1...Bd7
- 2.Se7#
- 1...Sb1
- 2.Be4#
- 1...Sd1
- 2.Be4#
- 1...Se2
- 2.Be4#
- 1...Se4
- 2.Bxe4#
- 1...Sb5
- 2.Be4#
- 1...Sb6
- 2.Sb4#
- 1...Sc7
- 2.Se7#
- 1...Qxc6!
- 1...Bxc6
- 1.Rf2?
- threat
- 2.Rf5#
- 1...Qxb1
- 2.Se7#
- 1...Qc8
- 2.Sb4#
- 2.Se7#
- 1...Qc7
- 2.Sb4#
- 1...Qd7
- 2.Sb4#
- 1...Qe7
- 2.Sxe7#
- 1...Qb8
- 2.Se7#
- 1...Bd7
- 2.Se7#
- 1...Bxf2!
- threat
- 1.Kh5?
- Keys
- 1.Bg6!
- 1...Qxc6
- 2.Qd4#
- 1...Bxc6
- 2.Qd4#
- 1...Sxa2
- 2.Be4#
- 1...Sxa4
- 2.Be4#
- 1...fxg6
- 2.Qe6#
- 1...Qa6
- 2.Sb4#
- 2.Se7#
- 1...Qc8
- 2.Sb4#
- 2.Se7#
- 1...Qb1
- 2.Se7#
- 1...Qb2
- 2.Se7#
- 1...Qb3
- 2.Se7#
- 1...Qb4
- 2.Sxb4#
- 1...Qb5
- 2.Se7#
- 1...Qb6
- 2.Se7#
- 1...Qa7
- 2.Sb4#
- 1...Qc7
- 2.Sb4#
- 1...Qd7
- 2.Sb4#
- 1...Qe7
- 2.Sxe7#
- 1...Qb8
- 2.Se7#
- 1...Bd2
- 2.Rxd2#
- 1...Bf2
- 2.Rd2#
- 1...Bg3
- 2.Rd2#
- 1...Bh4
- 2.Rd2#
- 1...Bd7
- 2.Se7#
- 1...Sb1
- 2.Be4#
- 1...Sd1
- 2.Be4#
- 1...Se2
- 2.Be4#
- 1...Se4
- 2.Bxe4#
- 1...Sb5
- 2.Be4#
- 1...Sb6
- 2.Sb4#
- 1...Sc7
- 2.Se7#
- 1...Qxc6
- 1.Bg6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- Q(e);N_GUARD,XB(A)::S(F)
- Q(e);N_GUARD::S(F)
- Q(e);N_GUARD::S(F),XQ(e)
- B(a);N_GUARD::R(B),XB(a)
- B(a);N_GUARD::R(B)
- B(h);SBLOCK,XS(F)::QAR1(G)
- B(h);S_CUTQ(e)::S(F)
- S(b);N_GUARD::B(A)
- S(b);N_GUARD,XR(B)::B(A)
- S(b);N_GUARD,XP(D)::B(A)
- S(b);N_GUARD::B(A),XS(b)
- S(g);S_CUTQ(e)::S(F)
- Tries
- Try
- K(H);P-FLIGHT
- Vars
- Q(e);SBLOCK,XS(F)::QAR1(G)
- Q(e);N_GUARD,XB(A)::S(F)
- B(h);SBLOCK,XS(F)::QAR1(G)
- S(b);N_GUARD,XR(B)::B(A)
- S(b);N_GUARD,XP(D)::B(A)
- Q(e);N_GUARD::S(F)
- Q(e);N_GUARD::S(F),XQ(e)
- B(a);N_GUARD::R(B),XB(a)
- B(a);N_GUARD::R(B)
- B(h);S_CUTQ(e)::S(F)
- S(b);N_GUARD::B(A)
- S(b);N_GUARD::B(A),XS(b)
- S(g);S_CUTQ(e)::S(F)
- Refutation
- S(b);XB(A)
- Try
- K(H);S_FLIGHT
- Vars
- Q(e);SBLOCK,XS(F)::QAR1(G)
- Q(e);N_GUARD,XB(A)::S(F)
- B(h);SBLOCK,XS(F)::QAR1(G)
- S(b);N_GUARD,XR(B)::B(A)
- S(b);N_GUARD,XP(D)::B(A)
- Q(e);N_GUARD::S(F)
- Q(e);N_GUARD::S(F),XQ(e)
- B(a);N_GUARD::R(B),XB(a)
- B(a);N_GUARD::R(B)
- B(h);S_CUTQ(e)::S(F)
- S(b);N_GUARD::B(A)
- S(b);N_GUARD::B(A),XS(b)
- S(g);S_CUTQ(e)::S(F)
- Refutation
- S(b);XB(A)
- Try
- B(A);
- Vars
- B(h);SBLOCK,XS(F)::QAR1(G)
- S(b);N_GUARD,XR(B)::B(A)
- S(b);N_GUARD,XP(D)::B(A)
- Q(e);N_GUARD::S(F)
- Q(e);N_GUARD::S(F),XQ(e)
- B(a);N_GUARD::R(B),XB(a)
- B(a);N_GUARD::R(B)
- B(h);S_CUTQ(e)::S(F)
- S(b);N_GUARD::B(A)
- S(b);N_GUARD::B(A),XS(b)
- S(g);S_CUTQ(e)::S(F)
- Refutation
- Q(e);P_PINQ(G),XS(F)
- Try
- B(A);
- Vars
- B(h);SBLOCK,XS(F)::QAR1(G)
- S(b);N_GUARD,XR(B)::B(A)
- S(b);N_GUARD,XP(D)::B(A)
- Q(e);N_GUARD::S(F)
- Q(e);N_GUARD::S(F),XQ(e)
- B(a);N_GUARD::R(B),XB(a)
- B(a);N_GUARD::R(B)
- B(h);S_CUTQ(e)::S(F)
- S(b);N_GUARD::B(A)
- S(b);N_GUARD::B(A),XS(b)
- S(g);S_CUTQ(e)::S(F)
- Refutation
- Q(e);P_PINQ(G),XS(F)
- Try
- R(B);
- Threat
- R(B)
- Vars
- Q(e);N_GUARD,XB(A)::S(F)
- Q(e);N_GUARD::S(F)
- Q(e);N_GUARD::S(F),XQ(e)
- B(h);S_CUTQ(e)::S(F)
- Refutation
- B(a);XR(B)
- Try
- Actual
- B(A);
- Vars
- Q(e);SBLOCK,XS(F)::QAR1(G)
- B(h);SBLOCK,XS(F)::QAR1(G)
- S(b);N_GUARD,XR(B)::B(A)
- S(b);N_GUARD,XP(D)::B(A)
- P(f);N_GUARD,XB(A)::QAB1(G)
- Q(e);N_GUARD::S(F)
- Q(e);N_GUARD::S(F),XQ(e)
- B(a);N_GUARD::R(B),XB(a)
- B(a);N_GUARD::R(B)
- B(h);S_CUTQ(e)::S(F)
- S(b);N_GUARD::B(A)
- S(b);N_GUARD::B(A),XS(b)
- S(g);S_CUTQ(e)::S(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).