MESON Chess Problem Database
Problem Display
PID: 51617 (4Nn1b/2p5/1pR5/1R2Pk2/2B2Pp1/1p4P1/1Kb5/7Q w - - 0 1)
Barrow, John Hugh
Cork Weekly News, 1916
#2
9 + 8
| 5257 | Chess Problems by J H Barrow | 2004 |
SOLUTION
- SOUND
- Sets
- 1...Bb1
- 2.Qxb1#
- 1...Bd1
- 2.Bd3#
- 1...Bd3
- 2.Bxd3#
- 1...Be4
- 2.Qh5#
- 1...Bxe5+
- 2.Rxe5#
- 1...Bf6
- 2.Rxf6#
- 1...Bg7
- 2.Sxg7#
- 1...Se6
- 2.Qh7#
- 1...Sg6
- 2.Be6#
- 1...Sd7
- 2.Qh7#
- 1...Sh7
- 2.Qxh7#
- 1...Bb1
- Tries
- 1.Ka1?
- 1...Bxe5+
- 2.Rxe5#
- 1...Bf6
- 2.Rxf6#
- 1...Se6
- 2.Qh7#
- 1...Bb1
- 2.Qxb1#
- 1...Bd1
- 2.Bd3#
- 1...Bd3
- 2.Bxd3#
- 1...Be4
- 2.Qh5#
- 1...Bg7
- 2.Sxg7#
- 1...Sg6
- 2.Be6#
- 1...Sd7
- 2.Qh7#
- 1...Sh7
- 2.Qxh7#
- 1...b2+!
- 1...Bxe5+
- 1.Ka3?
- 1...Bxe5
- 2.Sg7#
- 2.Rxe5#
- 2.Rf6#
- 1...Bf6
- 2.Rxf6#
- 1...Se6
- 2.Qh7#
- 1...Bb1
- 2.Qxb1#
- 1...Bd1
- 2.Bd3#
- 1...Bd3
- 2.Bxd3#
- 1...Be4
- 2.Qh5#
- 1...Bg7
- 2.Sxg7#
- 1...Sg6
- 2.Be6#
- 1...Sd7
- 2.Qh7#
- 1...Sh7
- 2.Qxh7#
- 1...b2!
- 1...Bxe5
- 1.Kc3?
- 1...Bxe5+
- 2.Rxe5#
- 1...Bf6
- 2.Rxf6#
- 1...Se6
- 2.Qh7#
- 1...Bb1
- 2.Qxb1#
- 1...Bd1
- 2.Bd3#
- 1...Bd3
- 2.Bxd3#
- 1...Be4
- 2.Qh5#
- 1...Bg7
- 2.Sxg7#
- 1...Sg6
- 2.Be6#
- 1...Sd7
- 2.Qh7#
- 1...Sh7
- 2.Qxh7#
- 1...b2!
- 1...Bxe5+
- 1.Sf6?
- threat
- 2.Qh5#
- 1...Bxf6
- 2.Rxf6#
- 1...Se6
- 2.Qh7#
- 1...Sh7
- 2.Qxh7#
- 1...Kg6!
- threat
- 1.Sxc7?
- 1...Bxe5+
- 2.Rxe5#
- 1...Bf6
- 2.Rxf6#
- 1...Se6
- 2.Qh7#
- 1...Bb1
- 2.Qxb1#
- 1...Bd1
- 2.Bd3#
- 1...Bd3
- 2.Bxd3#
- 1...Be4
- 2.Qh5#
- 1...Sg6
- 2.Be6#
- 1...Sd7
- 2.Qh7#
- 1...Sh7
- 2.Qxh7#
- 1...Bg7!
- 1...Bxe5+
- 1.Be2?
- 1...Bxe5+
- 2.Rxe5#
- 1...Bf6
- 2.Rxf6#
- 1...Se6
- 2.Qh7#
- 1...Bb1
- 2.Qxb1#
- 1...Bd1
- 2.Bd3#
- 1...Bd3
- 2.Bxd3#
- 1...Be4
- 2.Qh5#
- 1...Bg7
- 2.Sxg7#
- 1...Sd7
- 2.Qh7#
- 1...Sh7
- 2.Qxh7#
- 1...Sg6!
- 1...Bxe5+
- 1.Bd5?
- threat
- 2.Qh5#
- 1...Bf6
- 2.Rxf6#
- 1...Se6
- 2.Qh7#
- 1...Sh7
- 2.Qxh7#
- 1...Bxe5+!
- threat
- 1.Be6+?
- 1...Sxe6
- 2.Qh7#
- 1...Kg6!
- 1...Sxe6
- 1.Qh7+?
- 1...Sg6
- 2.Qxg6#
- 1...Sxh7!
- 1...Sg6
- 1.Ka1?
- Keys
- 1.Rh6!
- 1...Bxe5+
- 2.Rxe5#
- 1...Bb1
- 2.Qxb1#
- 1...Bd1
- 2.Bd3#
- 1...Bd3
- 2.Bxd3#
- 1...Be4
- 2.Qh5#
- 1...Bf6
- 2.Rxf6#
- 1...Bg7
- 2.Sxg7#
- 1...Se6
- 2.Bxe6#
- 1...Sg6
- 2.Rh5#
- 1...Sd7
- 2.Be6#
- 1...Sh7
- 2.Be6#
- 1...c5
- 2.Sd6#
- 1...c6
- 2.Sd6#
- 1...Bxe5+
- 1.Rh6!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 4
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- B(a);OGATEB::QAB(A),XB(a)
- B(a);N_GUARD::B(D)
- B(a);N_GUARD::B(D),XB(a)
- B(a);SBLOCK::QAR2(A)
- B(h);CHECK,OGATE,P_SPINB(h),XP(G)::R1(F),XB(h)
- B(h);N_GUARD::R1(H),XB(h)
- B(h);N_GUARD::S(I),XB(h)
- S(g);N_GUARD::QAB(A)
- S(g);N_GUARD,SBLOCK::B(D)
- S(g);N_GUARD::QAB(A),XS(g)
- Tries
- Try
- K(B);S_FLIGHT
- Vars
- B(h);CHECK,OGATE,P_SPINB(h),XP(G)::R1(F),XB(h)
- B(h);N_GUARD::R1(H),XB(h)
- S(g);N_GUARD::QAB(A)
- B(a);OGATEB::QAB(A),XB(a)
- B(a);N_GUARD::B(D)
- B(a);N_GUARD::B(D),XB(a)
- B(a);SBLOCK::QAR2(A)
- B(h);N_GUARD::S(I),XB(h)
- S(g);N_GUARD,SBLOCK::B(D)
- S(g);N_GUARD::QAB(A),XS(g)
- Refutation
- P(b);CHECK,N_PINP(G)
- Try
- K(B);N_SPINP(G),S_FLIGHT
- Vars
- B(h);N_GUARD::R1(H),XB(h)
- S(g);N_GUARD::QAB(A)
- B(a);OGATEB::QAB(A),XB(a)
- B(a);N_GUARD::B(D)
- B(a);N_GUARD::B(D),XB(a)
- B(a);SBLOCK::QAR2(A)
- B(h);N_GUARD::S(I),XB(h)
- S(g);N_GUARD,SBLOCK::B(D)
- S(g);N_GUARD::QAB(A),XS(g)
- Refutation
- P(b);
- Try
- K(B);S_FLIGHT
- Vars
- B(h);CHECK,OGATE,P_SPINB(h),XP(G)::R1(F),XB(h)
- B(h);N_GUARD::R1(H),XB(h)
- S(g);N_GUARD::QAB(A)
- B(a);OGATEB::QAB(A),XB(a)
- B(a);N_GUARD::B(D)
- B(a);N_GUARD::B(D),XB(a)
- B(a);SBLOCK::QAR2(A)
- B(h);N_GUARD::S(I),XB(h)
- S(g);N_GUARD,SBLOCK::B(D)
- S(g);N_GUARD::QAB(A),XS(g)
- Refutation
- P(b);
- Try
- S(I);N_SPINP(G)
- Threat
- QAR2(A)
- Vars
- B(h);OGATE,P_PINP(G),XS(I)::R1(H),XB(h)
- S(g);N_GUARD::QAB(A)
- S(g);N_GUARD::QAB(A),XS(g)
- Refutation
- K(d);S_FLIGHT
- Try
- S(I);XP(f)
- Vars
- B(h);CHECK,OGATE,P_SPINB(h),XP(G)::R1(F),XB(h)
- B(h);N_GUARD::R1(H),XB(h)
- S(g);N_GUARD::QAB(A)
- B(a);OGATEB::QAB(A),XB(a)
- B(a);N_GUARD::B(D)
- B(a);N_GUARD::B(D),XB(a)
- B(a);SBLOCK::QAR2(A)
- S(g);N_GUARD,SBLOCK::B(D)
- S(g);N_GUARD::QAB(A),XS(g)
- Refutation
- B(h);
- Try
- B(D);
- Vars
- B(h);CHECK,OGATE,P_SPINB(h),XP(G)::R1(F),XB(h)
- B(h);N_GUARD::R1(H),XB(h)
- S(g);N_GUARD::QAB(A)
- B(a);OGATEB::QAB(A),XB(a)
- B(a);N_GUARD::B(D)
- B(a);N_GUARD::B(D),XB(a)
- B(a);SBLOCK::QAR2(A)
- B(h);N_GUARD::S(I),XB(h)
- S(g);N_GUARD::QAB(A),XS(g)
- Refutation
- S(g);
- Try
- B(D);
- Threat
- QAR2(A)
- Vars
- B(h);N_GUARD::R1(H),XB(h)
- S(g);N_GUARD::QAB(A)
- S(g);N_GUARD::QAB(A),XS(g)
- Refutation
- B(h);CHECK,XP(G)
- Try
- B(D);CHECK
- Vars
- S(g);XB(D)::QAB(A)
- Refutation
- K(d);S_FLIGHT
- Try
- Q(A);CHECK
- Vars
- S(g);N_GUARD,P_SPINS(g)::QAB1(A),XS(g)
- Refutation
- S(g);XQ(A)
- Try
- Actual
- R(H);
- Vars
- B(h);CHECK,OGATE,P_SPINB(h),XP(G)::R1(F),XB(h)
- B(a);OGATEB::QAB(A),XB(a)
- B(a);N_GUARD::B(D)
- B(a);N_GUARD::B(D),XB(a)
- B(a);SBLOCK::QAR2(A)
- B(h);N_GUARD::R1(H),XB(h)
- B(h);N_GUARD::S(I),XB(h)
- S(g);N_GUARD::B(D),XS(g)
- S(g);SBLOCK::R(H)
- S(g);N_GUARD::B(D)
- P(f);N_GUARD::S(I)
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).