MESON Chess Problem Database
Problem Display
PID: 198244 (8/3N2p1/3Q4/5qP1/1r2k1P1/pR2Bp1N/K7/4bb2 w - - 0 1)
Bonner Feast, Frederick
Hampshire Telegraph and Post, 1920
#2
8 + 8
| 6490 | yacpdb | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Qxg4
- 2.Qe5#
- 1...Qe6
- 2.Sc5#
- 2.Qxe6#
- 1...Qg6
- 2.Sc5#
- 2.Qe5#
- 1...Qh7
- 2.Sc5#
- 2.Qe5#
- 2.Qc6#
- 2.Qe6#
- 1...Qf4
- 2.Sc5#
- 2.Qc6#
- 1...Qc5
- 2.Sxc5#
- 1...Qd5
- 2.Qf4#
- 1...Qe5
- 2.Qxe5#
- 1...Qxg5
- 2.Sxg5#
- 1...Qf6
- 2.Sc5#
- 1...Qf7
- 2.Sc5#
- 2.Qe5#
- 1...Qf8
- 2.Sc5#
- 2.Qe5#
- 2.Qc6#
- 2.Qe6#
- 1...Rxb3
- 2.Qd4#
- 1...Rd4
- 2.Qxd4#
- 1...Rb5
- 2.Qd4#
- 1...Rb6
- 2.Qd4#
- 1...Rb7
- 2.Qd4#
- 1...Rb8
- 2.Qd4#
- 1...Bd2
- 2.Sf2#
- 1...Bf2
- 2.Sxf2#
- 1...Bg2
- 2.Qd3#
- 1...Bd3
- 2.Qxd3#
- 1...Bxh3
- 2.Qd3#
- 1...Bc4
- 2.Qd4#
- 1...Qxg4
- Tries
- 1.Bb6?
- threat
- 2.Re3#
- 1...Qxg4
- 2.Qe5#
- 1...Qxg5
- 2.Sxg5#
- 1...Rxb3
- 2.Qd4#
- 1...Bc4
- 2.Qd4#
- 1...Qe6
- 2.Sc5#
- 2.Qxe6#
- 1...Qf4
- 2.Sc5#
- 2.Qc6#
- 1...Qc5
- 2.Sxc5#
- 1...Qd5
- 2.Qf4#
- 1...Qf7
- 2.Sc5#
- 2.Qe5#
- 1...Rd4
- 2.Qxd4#
- 1...Bd2
- 2.Sf2#
- 1...Bf2
- 2.Sxf2#
- 1...Bc3
- 2.Sf2#
- 1...Bd3
- 2.Qxd3#
- 1...Rxb6!
- threat
- 1.Ba7?
- threat
- 2.Re3#
- 1...Qxg4
- 2.Qe5#
- 1...Qxg5
- 2.Sxg5#
- 1...Rxb3
- 2.Qd4#
- 1...Bc4
- 2.Qd4#
- 1...Qe6
- 2.Sc5#
- 2.Qxe6#
- 1...Qf4
- 2.Sc5#
- 2.Qc6#
- 1...Qc5
- 2.Sxc5#
- 1...Qd5
- 2.Qf4#
- 1...Qf7
- 2.Sc5#
- 2.Qe5#
- 1...Rd4
- 2.Qxd4#
- 1...Bd2
- 2.Sf2#
- 1...Bf2
- 2.Sxf2#
- 1...Bc3
- 2.Sf2#
- 1...Bd3
- 2.Qxd3#
- 1...Rb6!
- threat
- 1.Qe7+?
- 1...Qe6
- 2.Qxe6#
- 1...Qe5
- 2.Qxe5#
- 1...Kd5!
- 1...Qe6
- 1.Qe6+?
- 1...Qe5
- 2.Sc5#
- 2.Qxe5#
- 1...Qxe6!
- 1...Qe5
- 1.Bb6?
- Keys
- 1.Bc5!
- threat
- 2.Re3#
- 1...Qxg4
- 2.Qe5#
- 1...Qxc5
- 2.Sxc5#
- 1...Qxg5
- 2.Sxg5#
- 1...Rxb3
- 2.Qd4#
- 1...Bc4
- 2.Qd4#
- 1...Qe6
- 2.Qxe6#
- 1...Qf4
- 2.Qc6#
- 1...Qd5
- 2.Qf4#
- 1...Qf7
- 2.Qe5#
- 1...Rd4
- 2.Qxd4#
- 1...Bd2
- 2.Sf2#
- 1...Bf2
- 2.Sxf2#
- 1...Bc3
- 2.Sf2#
- 1...Bd3
- 2.Qxd3#
- threat
- 1.Bc5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 8
- Sets
- Q(g);N_GUARD,XP(E)::QAR1(G)
- Q(g);N_GUARD::S(H),XQ(g)
- Q(g);N_GUARD,P_PINR(B),SBLOCK::QAR1(G)
- Q(g);N_GUARD::QAR1(G),XQ(g)
- Q(g);XP(F)::S(D),XQ(g)
- Q(g);N_GUARD::S(H)
- R(e);N_GUARD,XR(B)::QAR1(G)
- R(e);N_GUARD::QAR1(G),XR(e)
- R(e);N_GUARD::QAR1(G)
- B(a);N_GUARD::S(D)
- B(a);N_GUARD::S(D),XB(a)
- B(b);N_GUARD::QAB1(G)
- B(b);N_GUARD::QAB1(G),XB(b)
- B(b);N_GUARD,XS(D)::QAB1(G)
- B(b);P_PINR(B),S_CUTR(e)::QAR1(G)
- Tries
- Try
- B(C);
- Threat
- R1(B)
- Vars
- Q(g);N_GUARD,XP(E)::QAR1(G)
- Q(g);XP(F)::S(D),XQ(g)
- R(e);N_GUARD,XR(B)::QAR1(G)
- B(b);P_PINR(B),S_CUTR(e)::QAR1(G)
- Q(g);N_GUARD::S(H),XQ(g)
- Q(g);N_GUARD,P_PINR(B),SBLOCK::QAR1(G)
- R(e);N_GUARD::QAR1(G),XR(e)
- B(a);N_GUARD::S(D)
- B(a);N_GUARD::S(D),XB(a)
- B(b);N_GUARD::QAB1(G),XB(b)
- Refutation
- R(e);XB(C)
- Try
- B(C);
- Threat
- R1(B)
- Vars
- Q(g);N_GUARD,XP(E)::QAR1(G)
- Q(g);XP(F)::S(D),XQ(g)
- R(e);N_GUARD,XR(B)::QAR1(G)
- B(b);P_PINR(B),S_CUTR(e)::QAR1(G)
- Q(g);N_GUARD::S(H),XQ(g)
- Q(g);N_GUARD,P_PINR(B),SBLOCK::QAR1(G)
- R(e);N_GUARD::QAR1(G),XR(e)
- B(a);N_GUARD::S(D)
- B(a);N_GUARD::S(D),XB(a)
- B(b);N_GUARD::QAB1(G),XB(b)
- Refutation
- R(e);
- Try
- Q(G);CHECK
- Vars
- Q(g);N_GUARD,P_PINR(B),P_SPINQ(g)::QAR2(G),XQ(g)
- Q(g);N_GUARD,P_SPINQ(g)::QAR1(G),XQ(g)
- Refutation
- K(f);S_FLIGHT
- Try
- Q(G);CHECK
- Refutation
- Q(g);P_PINR(B),XQ(G)
- Try
- Actual
- B(C);
- Threat
- R1(B)
- Vars
- Q(g);N_GUARD,XP(E)::QAR1(G)
- Q(g);XB(C)::S(H),XQ(g)
- Q(g);XP(F)::S(D),XQ(g)
- R(e);N_GUARD,XR(B)::QAR1(G)
- B(b);P_PINR(B),S_CUTR(e)::QAR1(G)
- Q(g);N_GUARD,P_PINR(B)::QAR2(G),XQ(g)
- Q(g);N_GUARD::QAB(G)
- Q(g);N_GUARD,P_PINR(B),SBLOCK::QAR1(G)
- Q(g);N_GUARD,P_PINR(B)::QAR1(G)
- R(e);N_GUARD::QAR1(G),XR(e)
- B(a);N_GUARD::S(D)
- B(a);N_GUARD::S(D),XB(a)
- B(b);N_GUARD::QAB1(G),XB(b)
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).