MESON Chess Problem Database
Problem Display
PID: 206028 (8/B7/4Rp2/K1R3pQ/p2k1r2/N2P1p2/1r6/1nNb3B w - - 0 1)
Mosely, Arthur James
Brisbane Courier, 1911
#2
9 + 9
| 15148 | Sadier Collection | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Ra2
- 2.Sb5#
- 1...Rc2
- 2.Sb5#
- 1...Rd2
- 2.Sb5#
- 1...Re2
- 2.Sb5#
- 1...Rf2
- 2.Sb5#
- 1...Rg2
- 2.Sb5#
- 1...Rh2
- 2.Sb5#
- 1...Rb5+
- 2.Sxb5#
- 1...Re4
- 2.Rxe4#
- 1...Rg4
- 2.Qxg4#
- 1...Rf5
- 2.Re4#
- 1...Bb3
- 2.Sb5#
- 1...Sc3
- 2.Rb5#
- 1...f2
- 2.Rc4#
- 1...g4
- 2.Rc4#
- 2.Qd5#
- 1...f5
- 2.Qh8#
- 1...Ra2
- Tries
- 1.Bxf3?
- threat
- 2.Rc4#
- 1...Rb5+
- 2.Sxb5#
- 1...Rxf3
- 2.Re4#
- 1...Re4
- 2.Rxe4#
- 1...Rf5
- 2.Re4#
- 1...Bxf3!
- threat
- 1.Rce5+?
- 1...Rb6
- 2.Sb5#
- 1...Kc3!
- 1...Rb6
- 1.Rf5+?
- 1...Rb6
- 2.Sb5#
- 1...Kc3!
- 1...Rb6
- 1.Rxg5+?
- 1...Rb6
- 2.Sb5#
- 1...Kc3!
- 1...Rb6
- 1.Rcc6+?
- 1...Kd5
- 2.Rcd6#
- 1...Rb6!
- 1...Kd5
- 1.Qxf3?
- threat
- 2.Rc4#
- 2.Rd6#
- 2.Qd5#
- 2.Qe3#
- 1...Rb5+
- 2.Sxb5#
- 1...Rxf3
- 2.Re4#
- 1...Rb6
- 2.Rc4#
- 2.Qd5#
- 2.Qe3#
- 1...Re2
- 2.Sb5#
- 2.Rc2#
- 2.Rc4#
- 2.Rcc6#
- 2.Rc7#
- 2.Rc8#
- 2.Rd6#
- 2.Qd5#
- 1...Re4
- 2.Rxe4#
- 2.Rd6#
- 2.Qxe4#
- 1...Rf5
- 2.Re4#
- 2.Qe4#
- 2.Qe3#
- 1...Bb3
- 2.Sb5#
- 2.Rc2#
- 2.Rc4#
- 2.Rcc6#
- 2.Rc7#
- 2.Rc8#
- 2.Qe3#
- 1...Sc3
- 2.Rc4#
- 2.Rb5#
- 2.Rd5#
- 2.Qe3#
- 1...Bxf3!
- threat
- 1.Qe8?
- threat
- 2.Rd6#
- 2.Qd7#
- 2.Qd8#
- 1...Rb5+
- 2.Sxb5#
- 1...Re4
- 2.Rxe4#
- 1...Rb7
- 2.Rd6#
- 1...Rb8
- 2.Rd6#
- 2.Qd7#
- 1...Rf5
- 2.Re4#
- 1...Bb3
- 2.Sb5#
- 1...Sc3
- 2.Rb5#
- 1...Rb6!
- threat
- 1.Qxg5?
- threat
- 2.Rc4#
- 2.Qxf4#
- 2.Qd5#
- 1...Rb5+
- 2.Sxb5#
- 1...Rb6
- 2.Rc4#
- 2.Qd5#
- 1...Re2
- 2.Sb5#
- 2.Rc2#
- 2.Rc4#
- 2.Rcc6#
- 2.Rc7#
- 2.Rc8#
- 2.Qd5#
- 1...Re4
- 2.Rc4#
- 2.Rxe4#
- 2.Rd6#
- 1...Rg4
- 2.Rc4#
- 2.Rd6#
- 2.Qe3#
- 2.Qxf6#
- 2.Qxg4#
- 2.Qd5#
- 1...Rh4
- 2.Rc4#
- 2.Rd6#
- 2.Qe3#
- 2.Qxh4#
- 2.Qxf6#
- 2.Qd5#
- 1...Rf5
- 2.Re4#
- 2.Qe3#
- 1...Bb3
- 2.Sb5#
- 2.Rc2#
- 2.Rc4#
- 2.Rcc6#
- 2.Rc7#
- 2.Rc8#
- 2.Qxf4#
- 1...Sd2
- 2.Rc4#
- 2.Qd5#
- 1...Sc3
- 2.Rc4#
- 2.Rb5#
- 2.Rd5#
- 1...f5
- 2.Qxf4#
- 2.Qf6#
- 2.Qd8#
- 2.Qg7#
- 1...fxg5!
- threat
- 1.Bxf3?
- Keys
- 1.Qh2!
- 1...Rb5+
- 2.Sxb5#
- 1...Rxh2
- 2.Sb5#
- 1...Sxa3
- 2.Qxb2#
- 1...Rb6
- 2.Qf2#
- 1...Re4
- 2.Rxe4#
- 1...Ra2
- 2.Sb5#
- 1...Rc2
- 2.Sb5#
- 1...Rd2
- 2.Sb5#
- 1...Re2
- 2.Sb5#
- 1...Rf2
- 2.Sb5#
- 2.Qxf2#
- 1...Rg2
- 2.Sb5#
- 1...Rb3
- 2.Qf2#
- 1...Rb4
- 2.Qf2#
- 1...Rb7
- 2.Qf2#
- 1...Rb8
- 2.Qf2#
- 1...Rg4
- 2.Qd6#
- 1...Rh4
- 2.Qd6#
- 1...Rf5
- 2.Re4#
- 1...Bc2
- 2.Qf2#
- 1...Be2
- 2.Qf2#
- 1...Bb3
- 2.Sb5#
- 1...Sd2
- 2.Qf2#
- 1...Sc3
- 2.Rb5#
- 1...f2
- 2.Rc4#
- 1...g4
- 2.Qxf4#
- 1...f5
- 2.Qh8#
- 1...Rb5+
- 1.Qh2!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 11
- REMOVED MATES = 1
- Sets
- R(c);N_GUARD::S(C)
- R(c);CHECK,N_GUARD::S(C),XR(c)
- R(g);N_GUARD::R1(H),XR(g)
- R(g);OGATEB::QAR(G),XR(g)
- R(g);N_GUARD,P_PINR(F)::R1(H)
- B(b);S_CUTR(c)::S(C)
- S(a);SBLOCK::B(I)+R(F)
- P(d);::B(I)+R(F),DCHECK
- P(i);OGATEB::QAB(G)
- Tries
- Try
- B(B);XP(d)
- Threat
- B(I)+R(F),DCHECK
- Vars
- R(c);CHECK,N_GUARD::S(C),XR(c)
- R(g);N_GUARD,XB(B)::R1(H)
- R(g);N_GUARD::R1(H),XR(g)
- R(g);N_GUARD,P_PINR(F)::R1(H)
- Refutation
- B(b);XB(B)
- Try
- R(F);CHECK
- Vars
- R(c);P_SPINR(c)::S(C)
- Refutation
- K(f);S_FLIGHT
- Try
- R(F);CHECK
- Vars
- R(c);P_SPINR(c)::S(C)
- Refutation
- K(f);S_FLIGHT
- Try
- R(F);CHECK,XP(h)
- Vars
- R(c);P_SPINR(c)::S(C)
- Refutation
- K(f);S_FLIGHT
- Try
- R(F);CHECK
- Vars
- K(f);P-FLIGHT,P_SPINP(d)::R1(F)
- Refutation
- R(c);P_SPINR(c)
- Try
- Q(G);XP(d)
- Threat
- DUALS(4)
- Vars
- R(c);CHECK,N_GUARD::S(C),XR(c)
- R(g);N_GUARD,XQ(G)::R1(H)
- Refutation
- B(b);XQ(G)
- Try
- Q(G);
- Threat
- DUALS(3)
- Vars
- R(c);CHECK,N_GUARD::S(C),XR(c)
- R(g);N_GUARD::R1(H),XR(g)
- R(c);::R(H)
- R(g);N_GUARD,P_PINR(F)::R1(H)
- B(b);S_CUTR(c)::S(C)
- S(a);SBLOCK::B(I)+R(F)
- Refutation
- R(c);
- Try
- Q(G);XP(h)
- Threat
- DUALS(3)
- Vars
- R(c);CHECK,N_GUARD::S(C),XR(c)
- Refutation
- P(i);XQ(G)
- Try
- Actual
- Q(G);
- Vars
- R(c);CHECK,N_GUARD::S(C),XR(c)
- R(c);N_GUARD,XQ(G)::S(C)
- S(a);N_GUARD,XS(C)::QAB(G),XR(c)
- R(c);N_GUARD::QAB(G)
- R(g);N_GUARD::R1(H),XR(g)
- R(c);N_GUARD::S(C)
- R(g);OGATE::QAR2(G)
- R(g);N_GUARD,P_PINR(F)::R1(H)
- B(b);S_CUTR(c)::QAB(G)
- B(b);S_CUTR(c)::S(C)
- S(a);S_CUTR(c)::QAB(G)
- S(a);SBLOCK::B(I)+R(F)
- P(d);::B(I)+R(F),DCHECK
- P(h);N_GUARD::QAR2(G),XR(g)
- P(i);OGATEB::QAB(G)
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).