MESON Chess Problem Database
Problem Display
PID: 51613 (B6B/K2R4/1p2pq2/1PP1k2p/3N2bR/Q4pP1/1P3Pn1/8 w - - 0 1)
Barrow, John Hugh
Cork Weekly News, 1915
#2
12 + 8
| 5257 | Chess Problems by J H Barrow | 2004 |
SOLUTION
- SOUND
- Sets
- 1...Qg7
- 2.Bxg7#
- 1...Bh3
- 2.Re4#
- 1...Bf5
- 2.Sxf3#
- 2.Sc6#
- 1...Se1
- 2.Qe3#
- 1...Se3
- 2.Qxe3#
- 1...Sf4
- 2.Qe3#
- 1...Sxh4
- 2.Qe3#
- 1...bxc5
- 2.Qxc5#
- 1...Qg7
- Tries
- 1.Ka6?
- 1...Sxh4
- 2.Qe3#
- 1...bxc5
- 2.Qxc5#
- 1...Qg7
- 2.Bxg7#
- 1...Bh3
- 2.Re4#
- 1...Bf5
- 2.Sxf3#
- 2.Sc6#
- 1...Se1
- 2.Qe3#
- 1...Se3
- 2.Qxe3#
- 1...Sf4
- 2.Qe3#
- 1...Qxh8!
- 1...Sxh4
- 1.Kxb6?
- 1...Sxh4
- 2.Qe3#
- 1...Qg7
- 2.Bxg7#
- 1...Bh3
- 2.Re4#
- 1...Bf5
- 2.Sxf3#
- 2.Sc6#
- 1...Se1
- 2.Qe3#
- 1...Se3
- 2.Qxe3#
- 1...Sf4
- 2.Qe3#
- 1...Qxh8!
- 1...Sxh4
- 1.Kb8?
- 1...Sxh4
- 2.Qe3#
- 1...bxc5
- 2.Qxc5#
- 1...Qg7
- 2.Bxg7#
- 1...Bh3
- 2.Re4#
- 1...Bf5
- 2.Sxf3#
- 2.Sc6#
- 1...Se1
- 2.Qe3#
- 1...Se3
- 2.Qxe3#
- 1...Sf4
- 2.Qe3#
- 1...Qxh8+!
- 1...Sxh4
- 1.Sxf3+?
- 1...Kf5
- 2.Qd3#
- 1...Bxf3!
- 1...Kf5
- 1.Sc6+?
- 1...Ke4
- 2.Qd3#
- 1...Kf5!
- 1...Ke4
- 1.Bc6?
- 1...Sxh4
- 2.Qe3#
- 1...bxc5
- 2.Qxc5#
- 1...Qg7
- 2.Bxg7#
- 1...Bh3
- 2.Re4#
- 1...Bf5
- 2.Sxf3#
- 1...Se1
- 2.Qe3#
- 1...Se3
- 2.Qxe3#
- 1...Sf4
- 2.Qe3#
- 1...Qxh8!
- 1...Sxh4
- 1.Bb7?
- 1...Sxh4
- 2.Qe3#
- 1...bxc5
- 2.Qxc5#
- 1...Qg7
- 2.Bxg7#
- 1...Bh3
- 2.Re4#
- 1...Bf5
- 2.Sxf3#
- 2.Sc6#
- 1...Se1
- 2.Qe3#
- 1...Se3
- 2.Qxe3#
- 1...Sf4
- 2.Qe3#
- 1...Qxh8!
- 1...Sxh4
- 1.Bg7?
- 1...Sxh4
- 2.Qe3#
- 1...bxc5
- 2.Qxc5#
- 1...Bh3
- 2.Re4#
- 1...Bf5
- 2.Sxf3#
- 2.Sc6#
- 1...Se1
- 2.Qe3#
- 1...Se3
- 2.Qxe3#
- 1...Sf4
- 2.Qe3#
- 1...Qxg7!
- 1...Sxh4
- 1.Rxh5+?
- 1...Bf5
- 2.Sxf3#
- 1...Bxh5!
- 1...Bf5
- 1.Rd6?
- 1...Qg7+
- 2.Bxg7#
- 1...Sxh4
- 2.Qe3#
- 1...bxc5
- 2.Qxc5#
- 1...Bh3
- 2.Re4#
- 1...Bf5
- 2.Sxf3#
- 2.Sc6#
- 1...Se1
- 2.Qe3#
- 1...Se3
- 2.Qxe3#
- 1...Sf4
- 2.Qe3#
- 1...Qxh8!
- 1...Qg7+
- 1.Rc7?
- 1...Kxd4
- 2.Qc3#
- 1...Sxh4
- 2.Qe3#
- 1...bxc5
- 2.Qxc5#
- 1...Qg7
- 2.Bxg7#
- 1...Bh3
- 2.Re4#
- 1...Bf5
- 2.Sxf3#
- 1...Se1
- 2.Qe3#
- 1...Se3
- 2.Qxe3#
- 1...Sf4
- 2.Qe3#
- 1...Qxh8!
- 1...Kxd4
- 1.Re7?
- 1...Kxd4
- 2.Qc3#
- 1...Sxh4
- 2.Qe3#
- 1...bxc5
- 2.Qxc5#
- 1...Qg7
- 2.Bxg7#
- 1...Bh3
- 2.Re4#
- 1...Bf5
- 2.Sxf3#
- 1...Se1
- 2.Qe3#
- 1...Se3
- 2.Qxe3#
- 1...Sf4
- 2.Qe3#
- 1...Qxh8!
- 1...Kxd4
- 1.Rf7?
- threat
- 2.Bxf6#
- 1...Kxd4
- 2.Qc3#
- 1...bxc5
- 2.Qxc5#
- 1...Qg7
- 2.Bxg7#
- 1...Qxh8!
- threat
- 1.Rh7?
- 1...Qg7+
- 2.Bxg7#
- 1...Kxd4
- 2.Qc3#
- 1...Sxh4
- 2.Qe3#
- 1...bxc5
- 2.Qxc5#
- 1...Bh3
- 2.Re4#
- 1...Bf5
- 2.Sxf3#
- 1...Se1
- 2.Qe3#
- 1...Se3
- 2.Qxe3#
- 1...Sf4
- 2.Qe3#
- 1...Qxh8!
- 1...Qg7+
- 1.Rd8?
- 1...Qg7+
- 2.Bxg7#
- 1...Sxh4
- 2.Qe3#
- 1...bxc5
- 2.Qxc5#
- 1...Bh3
- 2.Re4#
- 1...Bf5
- 2.Sxf3#
- 2.Sc6#
- 1...Se1
- 2.Qe3#
- 1...Se3
- 2.Qxe3#
- 1...Sf4
- 2.Qe3#
- 1...Qxh8!
- 1...Qg7+
- 1.Qc3?
- 1...Sxh4
- 2.Qe1#
- 2.Qe3#
- 1...bxc5
- 2.Qxc5#
- 1...Qg7
- 2.Bxg7#
- 1...Bh3
- 2.Re4#
- 1...Bf5
- 2.Sc2#
- 2.Se2#
- 2.Sb3#
- 2.Sxf3#
- 2.Sc6#
- 1...Se1
- 2.Qxe1#
- 2.Qe3#
- 1...Se3
- 2.Qxe3#
- 1...Sf4
- 2.Qe3#
- 1...Qxh8!
- 1...Sxh4
- 1.Qd3?
- threat
- 2.Sc6#
- 2.Qe4#
- 1...Qg7
- 2.Bxg7#
- 1...Bf5
- 2.Sxf3#
- 2.Sc6#
- 1...Qxh8!
- threat
- 1.Qxf3?
- threat
- 2.Sc6#
- 2.Bxf6#
- 2.Qe4#
- 2.Qxf6#
- 1...Qxh8
- 2.Sc6#
- 1...Qg7
- 2.Sc6#
- 2.Bxg7#
- 1...Bf5
- 2.Sc6#
- 1...Sf4
- 2.Qe4#
- 2.Qe3#
- 2.Qxf4#
- 2.gxf4#
- 1...Bxf3!
- threat
- 1.cxb6?
- threat
- 2.Qc5#
- 2.Qd6#
- 1...Qg7
- 2.Bxg7#
- 1...Se3
- 2.Qd6#
- 2.Qxe3#
- 1...Sf4
- 2.Qd6#
- 2.Qe3#
- 1...Qxh8!
- threat
- 1.Ka6?
- Keys
- 1.Rg7!
- 1...Qe7+
- 2.Rxe7#
- 1...Qxg7+
- 2.Bxg7#
- 1...Qf7+
- 2.Rxf7#
- 1...Kxd4
- 2.Qc3#
- 1...Qxh4
- 2.Rg5#
- 1...Sxh4
- 2.Qe3#
- 1...bxc5
- 2.Qxc5#
- 1...Qg5
- 2.Rxg5#
- 1...Qd8
- 2.Rg5#
- 1...Qf4
- 2.Rg5#
- 1...Qf5
- 2.Rg5#
- 1...Qg6
- 2.Rxg6#
- 1...Qh6
- 2.Rg5#
- 1...Qf8
- 2.Rg5#
- 1...Bh3
- 2.Re4#
- 1...Bf5
- 2.Sxf3#
- 1...Se1
- 2.Qe3#
- 1...Se3
- 2.Qxe3#
- 1...Sf4
- 2.Qe3#
- 1...Qe7+
- 1.Rg7!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 12
- REMOVED MATES = 0
- Sets
- Q(h);OGATEB,P_PINR(J)::B(L),XQ(h)
- B(c);OGATE::R1(F)
- S(a);N_GUARD::QAR2(C)
- S(a);N_GUARD::QAR2(C),XS(a)
- S(a);N_GUARD,XR(F)::QAR2(C)
- P(f);OGATE,XP(H)::QAR2(C),XP(f)
- Tries
- Try
- K(I);P-FLIGHT
- Vars
- S(a);N_GUARD,XR(F)::QAR2(C)
- P(f);OGATE,XP(H)::QAR2(C),XP(f)
- Q(h);OGATEB::B(L),XQ(h)
- B(c);OGATE::R1(F)
- S(a);N_GUARD::QAR2(C)
- S(a);N_GUARD::QAR2(C),XS(a)
- Refutation
- Q(h);N_SPINQ(h),XB(L)
- Try
- K(I);S_FLIGHT,XP(f)
- Vars
- S(a);N_GUARD,XR(F)::QAR2(C)
- Q(h);OGATEB::B(L),XQ(h)
- B(c);OGATE::R1(F)
- S(a);N_GUARD::QAR2(C)
- S(a);N_GUARD::QAR2(C),XS(a)
- Refutation
- Q(h);N_SPINQ(h),XB(L)
- Try
- K(I);S_FLIGHT
- Vars
- S(a);N_GUARD,XR(F)::QAR2(C)
- P(f);OGATE,XP(H)::QAR2(C),XP(f)
- Q(h);OGATEB::B(L),XQ(h)
- B(c);OGATE::R1(F)
- S(a);N_GUARD::QAR2(C)
- S(a);N_GUARD::QAR2(C),XS(a)
- Refutation
- Q(h);CHECK,N_SPINQ(h),XB(L)
- Try
- S(E);CHECK,XP(b)
- Vars
- K(d);N_SPINQ(h),P-FLIGHT::QAB(C)
- Refutation
- B(c);XS(E)
- Try
- S(E);CHECK
- Vars
- K(d);N_SPINQ(h),P-FLIGHT,P_SPINB(c)::QAB1(C)
- Refutation
- K(d);N_SPINQ(h),P-FLIGHT
- Try
- B(K);
- Vars
- S(a);N_GUARD,XR(F)::QAR2(C)
- P(f);OGATE,XP(H)::QAR2(C),XP(f)
- Q(h);OGATEB,P_PINR(J)::B(L),XQ(h)
- B(c);OGATE::R1(F)
- B(c);N_GUARD,SBLOCK::S(E),XP(b)
- S(a);N_GUARD::QAR2(C)
- S(a);N_GUARD::QAR2(C),XS(a)
- Refutation
- Q(h);N_SPINQ(h),XB(L)
- Try
- B(K);
- Vars
- S(a);N_GUARD,XR(F)::QAR2(C)
- P(f);OGATE,XP(H)::QAR2(C),XP(f)
- Q(h);OGATEB::B(L),XQ(h)
- B(c);OGATE::R1(F)
- S(a);N_GUARD::QAR2(C)
- S(a);N_GUARD::QAR2(C),XS(a)
- Refutation
- Q(h);N_SPINQ(h),XB(L)
- Try
- B(L);
- Vars
- S(a);N_GUARD,XR(F)::QAR2(C)
- P(f);OGATE,XP(H)::QAR2(C),XP(f)
- B(c);OGATE::R1(F)
- S(a);N_GUARD::QAR2(C)
- S(a);N_GUARD::QAR2(C),XS(a)
- Refutation
- Q(h);N_SPINQ(h),P_PINR(J),XB(L)
- Try
- R(F);CHECK,XP(e)
- Vars
- B(c);P_SPINB(c)::S(E),XP(b)
- Refutation
- B(c);XR(F)
- Try
- R(J);
- Vars
- Q(h);CHECK,OGATEB::B(L),XQ(h)
- S(a);N_GUARD,XR(F)::QAR2(C)
- P(f);OGATE,XP(H)::QAR2(C),XP(f)
- B(c);OGATE::R1(F)
- S(a);N_GUARD::QAR2(C)
- S(a);N_GUARD::QAR2(C),XS(a)
- Refutation
- Q(h);N_SPINQ(h),XB(L)
- Try
- R(J);
- Vars
- K(d);OGATEB,P_SPINB(c),S_FLIGHT,XS(E)::QAB1(C)
- S(a);N_GUARD,XR(F)::QAR2(C)
- P(f);OGATE,XP(H)::QAR2(C),XP(f)
- Q(h);OGATEB,P_PINR(J)::B(L),XQ(h)
- B(c);OGATE::R1(F)
- B(c);N_GUARD,SBLOCK::S(E),XP(b)
- S(a);N_GUARD::QAR2(C)
- S(a);N_GUARD::QAR2(C),XS(a)
- Refutation
- Q(h);N_SPINQ(h),XB(L)
- Try
- R(J);P_PINP(g)
- Vars
- K(d);N_SPINP(g),OGATEB,P_SPINB(c),S_FLIGHT,XS(E)::QAB1(C)
- S(a);N_GUARD,XR(F)::QAR2(C)
- P(f);OGATE,XP(H)::QAR2(C),XP(f)
- Q(h);OGATEB,P_PINR(J)::B(L),XQ(h)
- B(c);OGATE::R1(F)
- B(c);N_GUARD,SBLOCK::S(E),XP(b)
- S(a);N_GUARD::QAR2(C)
- S(a);N_GUARD::QAR2(C),XS(a)
- Refutation
- Q(h);N_SPINQ(h),XB(L)
- Try
- R(J);
- Threat
- B(L),XQ(h)
- Vars
- K(d);OGATEB,P_SPINB(c),S_FLIGHT,XS(E)::QAB1(C)
- P(f);OGATE,XP(H)::QAR2(C),XP(f)
- Q(h);OGATEB,P_PINR(J)::B(L),XQ(h)
- Refutation
- Q(h);N_SPINQ(h),XB(L)
- Try
- R(J);
- Vars
- Q(h);CHECK,OGATEB::B(L),XQ(h)
- K(d);OGATEB,P_SPINB(c),S_FLIGHT,XS(E)::QAB1(C)
- S(a);N_GUARD,XR(F)::QAR2(C)
- P(f);OGATE,XP(H)::QAR2(C),XP(f)
- B(c);OGATE::R1(F)
- B(c);N_GUARD,SBLOCK::S(E),XP(b)
- S(a);N_GUARD::QAR2(C)
- S(a);N_GUARD::QAR2(C),XS(a)
- Refutation
- Q(h);N_SPINQ(h),XB(L)
- Try
- R(J);
- Vars
- Q(h);CHECK,OGATEB::B(L),XQ(h)
- S(a);N_GUARD,XR(F)::QAR2(C)
- P(f);OGATE,XP(H)::QAR2(C),XP(f)
- B(c);OGATE::R1(F)
- S(a);N_GUARD::QAR2(C)
- S(a);N_GUARD::QAR2(C),XS(a)
- Refutation
- Q(h);N_SPINQ(h),XB(L)
- Try
- Q(C);
- Vars
- P(f);OGATE,XP(H)::QAR2(C),XP(f)
- Q(h);OGATEB,P_PINR(J)::B(L),XQ(h)
- B(c);OGATE::R1(F)
- S(a);N_GUARD::QAR2(C),XS(a)
- S(a);N_GUARD::QAR2(C)
- Refutation
- Q(h);N_SPINQ(h),XB(L)
- Try
- Q(C);
- Threat
- DUALS(2)
- Vars
- Q(h);OGATEB,P_PINR(J)::B(L),XQ(h)
- Refutation
- Q(h);N_SPINQ(h),XB(L)
- Try
- Q(C);XP(b)
- Threat
- DUALS(4)
- Vars
- Q(h);N_SPINQ(h),XB(L)::S(E)
- B(c);::S(E)
- Refutation
- B(c);XQ(C)
- Try
- P(H);XP(f)
- Threat
- DUALS(2)
- Vars
- Q(h);OGATEB,P_PINR(J)::B(L),XQ(h)
- Refutation
- Q(h);N_SPINQ(h),XB(L)
- Try
- Actual
- R(J);N_PINQ(h)
- Vars
- Q(h);CHECK,OGATEB::B(L)+R(J),XQ(h)
- Q(h);CHECK,OGATE,P_SPINQ(h),XR(J)::B(L),XQ(h)
- K(d);OGATEB,P_SPINB(c),S_FLIGHT,XS(E)::QAB1(C)
- Q(h);XR(F)::B(L)+R(J),DCHECK
- S(a);N_GUARD,XR(F)::QAR2(C)
- P(f);OGATE,XP(H)::QAR2(C),XP(f)
- Q(h);::B(L)+R(J),DCHECK,XQ(h)
- Q(h);::B(L)+R(J),DCHECK
- Q(h);S_CUTB(c)::B(L)+R(J)
- Q(h);OGATEB::B(L)+R(J),XQ(h)
- B(c);OGATE::R1(F)
- B(c);N_GUARD,SBLOCK,S_CUTQ(h)::S(E),XP(b)
- S(a);N_GUARD::QAR2(C)
- S(a);N_GUARD::QAR2(C),XS(a)
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).