MESON Chess Problem Database
Problem Display
PID: 214553 (8/5BQ1/2p5/2P3p1/4kbN1/3RnR1K/8/8 w - - 0 1)
Seymour, Robert Hoe
Cincinnati Commercial, 1879
#2
7 + 5
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Kf5
- 2.Qe5#
- 2.Qg6#
- 2.Qh7#
- 1...Bh2
- 2.Rdxe3#
- 1...Bg3
- 2.Rdxe3#
- 1...Bd6
- 2.Rdxe3#
- 1...Bc7
- 2.Rdxe3#
- 1...Bb8
- 2.Rdxe3#
- 1...Sd1
- 2.Bg6#
- 2.Qg6#
- 2.Qh7#
- 1...Sf1
- 2.Bg6#
- 2.Qg6#
- 2.Qh7#
- 1...Sc2
- 2.Bg6#
- 2.Qg6#
- 2.Qh7#
- 1...Sg2
- 2.Bg6#
- 2.Qg6#
- 2.Qh7#
- 1...Sc4
- 2.Bg6#
- 2.Qg6#
- 2.Qh7#
- 1...Sxg4
- 2.Bg6#
- 1...Sd5
- 2.Bg6#
- 2.Qg6#
- 2.Qh7#
- 1...Sf5
- 2.Sf2#
- 1...Kf5
- Tries
- 1.Bg6+?
- 1...Sf5
- 2.Sf2#
- 2.Qd4#
- 1...Kxf3!
- 1...Sf5
- 1.Rdxe3+?
- 1...Kf5
- 2.Sh6#
- 2.Be6#
- 2.Bg6#
- 2.Re5#
- 2.Qe5#
- 2.Qf6#
- 2.Qg6#
- 2.Qh7#
- 1...Bxe3!
- 1...Kf5
- 1.Rd4+?
- 1...Kf5
- 2.Sxe3#
- 2.Sh6#
- 2.Qe5#
- 2.Qf6#
- 2.Qg6#
- 2.Qh7#
- 1...Kxf3!
- 1...Kf5
- 1.Rfxe3+?
- 1...Kf5
- 2.Sh6#
- 2.Be6#
- 2.Bg6#
- 2.Qf6#
- 2.Qg6#
- 2.Qh7#
- 1...Bxe3!
- 1...Kf5
- 1.Qc3?
- 1...Kf5
- 2.Qe5#
- 1...Sxg4
- 2.Bg6#
- 1...Be5
- 2.Rdxe3#
- 1...Bh2
- 2.Rdxe3#
- 1...Bg3
- 2.Rdxe3#
- 1...Bd6
- 2.Rdxe3#
- 1...Bc7
- 2.Rdxe3#
- 1...Bb8
- 2.Rdxe3#
- 1...Sd1
- 2.Bg6#
- 1...Sf1
- 2.Bg6#
- 1...Sc2
- 2.Bg6#
- 1...Sg2
- 2.Bg6#
- 1...Sc4
- 2.Bg6#
- 1...Sd5
- 2.Bg6#
- 1...Sf5
- 2.Sf2#
- 2.Sf6#
- 1...Kxf3!
- 1...Kf5
- 1.Qd4+?
- 1...Kf5
- 2.Sxe3#
- 2.Sh6#
- 2.Qe5#
- 1...Kxf3!
- 1...Kf5
- 1.Qf6?
- 1...Kxf3
- 2.Rxe3#
- 1...Sxg4
- 2.Bg6#
- 1...Be5
- 2.Sf2#
- 2.Rfxe3#
- 1...Bh2
- 2.Sf2#
- 2.Rdxe3#
- 2.Rd4#
- 2.Rfxe3#
- 1...Bg3
- 2.Rdxe3#
- 2.Rd4#
- 2.Rfxe3#
- 1...Bd6
- 2.Sf2#
- 2.Rdxe3#
- 2.Rd4#
- 2.Rfxe3#
- 1...Bc7
- 2.Sf2#
- 2.Rdxe3#
- 2.Rd4#
- 2.Rfxe3#
- 1...Bb8
- 2.Sf2#
- 2.Rdxe3#
- 2.Rd4#
- 2.Rfxe3#
- 1...Sd1
- 2.Bg6#
- 2.Qg6#
- 1...Sf1
- 2.Sf2#
- 2.Bg6#
- 2.Qg6#
- 1...Sc2
- 2.Sf2#
- 2.Bg6#
- 2.Qg6#
- 1...Sg2
- 2.Sf2#
- 2.Bg6#
- 2.Qg6#
- 1...Sc4
- 2.Sf2#
- 2.Bg6#
- 2.Qg6#
- 1...Sd5
- 2.Sf2#
- 2.Bg6#
- 2.Qg6#
- 1...Sf5
- 2.Sf2#
- 2.Qxc6#
- 1...Kxd3!
- 1...Kxf3
- 1.Qg6+?
- 1...Sf5
- 2.Qxc6#
- 1...Kxf3!
- 1...Sf5
- 1.Bg6+?
- Keys
- 1.Qb2!
- 1...Kxd3
- 2.Sf2#
- 1...Kxf3
- 2.Qg2#
- 1...Kf5
- 2.Qe5#
- 1...Sxg4
- 2.Bg6#
- 1...Be5
- 2.Rdxe3#
- 1...Bh2
- 2.Rdxe3#
- 1...Bg3
- 2.Rdxe3#
- 1...Bd6
- 2.Rdxe3#
- 1...Bc7
- 2.Rdxe3#
- 1...Bb8
- 2.Rdxe3#
- 1...Sd1
- 2.Bg6#
- 1...Sf1
- 2.Bg6#
- 1...Sc2
- 2.Bg6#
- 1...Sg2
- 2.Bg6#
- 1...Sc4
- 2.Bg6#
- 1...Sd5
- 2.Bg6#
- 1...Sf5
- 2.Sf2#
- 2.Sf6#
- 1...Kxd3
- 1.Qb2!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 10
- REMOVED MATES = 1
- Sets
- B(c);N_GUARD::R1(A),XS(a)
- S(a);N_GUARD,XS(D)::B(F)
- S(a);SBLOCK::S(D)
- Tries
- Try
- B(F);CHECK
- Refutation
- K(b);P_SPINS(a),S_FLIGHT,XR(B)
- Try
- R(A);CHECK,XS(a)
- Refutation
- B(c);XR(A)
- Try
- R(A);CHECK
- Refutation
- K(b);S_FLIGHT,XR(B)
- Try
- R(B);CHECK,XS(a)
- Refutation
- B(c);XR(B)
- Try
- Q(G);
- Vars
- K(b);P_SPINB(c),S_FLIGHT::QAR1(G)
- S(a);N_GUARD,XS(D)::B(F)
- B(c);N_GUARD::R1(A),XS(a)
- S(a);N_GUARD::B(F)
- Refutation
- K(b);P_SPINS(a),S_FLIGHT,XR(B)
- Try
- Q(G);CHECK
- Refutation
- K(b);P_SPINS(a),S_FLIGHT,XR(B)
- Try
- Q(G);
- Vars
- K(b);P_SPINB(c),P_SPINS(a),S_FLIGHT,XR(B)::R1(A),XS(a)
- S(a);N_GUARD,XS(D)::B(F)
- Refutation
- K(b);P_SPINS(a),S_FLIGHT,XR(A)
- Try
- Q(G);CHECK
- Vars
- S(a);N_GUARD,P_SPINS(a),SBLOCK::QAB(G),XP(e)
- Refutation
- K(b);P_SPINS(a),S_FLIGHT,XR(B)
- Try
- Actual
- Q(G);
- Vars
- K(b);P_SPINS(a),S_FLIGHT,XR(A)::S(D)
- K(b);OGATEB,P_SPINS(a),S_FLIGHT,XR(B)::QAB1(G)
- K(b);P_SPINB(c),S_FLIGHT::QAR1(G)
- S(a);N_GUARD,XS(D)::B(F)
- B(c);N_GUARD::R1(A),XS(a)
- S(a);N_GUARD::B(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).