MESON Chess Problem Database
Problem Display
PID: 30766 (8/Kn6/4N3/1pp1P2r/1N2kpB1/2Q1q3/6P1/4R3 w - - 0 1)
Berry, Charles Vincent E
1st Prize, Hampstead and Highgate Express, 1907
#2
8 + 7
| 2638 | White to Play | 1913 |
SOLUTION
- SOUND
- Sets
- 1...Qxe1
- 2.Qxe1#
- 1...Qe2
- 2.Rxe2#
- 1...Rh1
- 2.Sg5#
- 1...Rh2
- 2.Sg5#
- 1...Rh3
- 2.Sg5#
- 1...Rh4
- 2.Sg5#
- 1...Rxe5
- 2.Qc2#
- 2.Qd3#
- 1...Rf5
- 2.Bf3#
- 1...Rg5
- 2.Sxg5#
- 1...Rh6
- 2.Sg5#
- 1...Rh7
- 2.Sg5#
- 1...Rh8
- 2.Sg5#
- 1...Sa5
- 2.Sxc5#
- 1...Sd6
- 2.Sxc5#
- 1...Sd8
- 2.Sxc5#
- 1...f3
- 2.Rxe3#
- 2.Qxe3#
- 2.gxf3#
- 1...cxb4+
- 2.Qd4#
- 1...c4+
- 2.Qd4#
- 1...Qxe1
- Tries
- 1.Ka6?
- 1...Qxe1
- 2.Qxe1#
- 1...Rxe5
- 2.Qc2#
- 2.Qd3#
- 1...cxb4
- 2.Qd4#
- 1...Qe2
- 2.Rxe2#
- 1...Rh1
- 2.Sg5#
- 1...Rh2
- 2.Sg5#
- 1...Rh3
- 2.Sg5#
- 1...Rh4
- 2.Sg5#
- 1...Rf5
- 2.Bf3#
- 1...Rg5
- 2.Sxg5#
- 1...Rh7
- 2.Sg5#
- 1...Rh8
- 2.Sg5#
- 1...Sa5
- 2.Sxc5#
- 1...Sd6
- 2.Sxc5#
- 1...Sd8
- 2.Sxc5#
- 1...f3
- 2.Rxe3#
- 2.Qxe3#
- 2.gxf3#
- 1...c4
- 2.Qd4#
- 1...Rh6!
- 1...Qxe1
- 1.Kb6?
- 1...cxb4+
- 2.Qd4#
- 1...c4+
- 2.Qd4#
- 1...Qxe1
- 2.Qxe1#
- 1...Rxe5
- 2.Qc2#
- 2.Qd3#
- 1...Qe2
- 2.Rxe2#
- 1...Rh1
- 2.Sg5#
- 1...Rh2
- 2.Sg5#
- 1...Rh3
- 2.Sg5#
- 1...Rh4
- 2.Sg5#
- 1...Rf5
- 2.Bf3#
- 1...Rg5
- 2.Sxg5#
- 1...Rh7
- 2.Sg5#
- 1...Rh8
- 2.Sg5#
- 1...Sa5
- 2.Sxc5#
- 1...Sd6
- 2.Sxc5#
- 1...Sd8
- 2.Sxc5#
- 1...f3
- 2.Rxe3#
- 2.Qxe3#
- 2.gxf3#
- 1...Rh6!
- 1...cxb4+
- 1.Kxb7?
- threat
- 2.Sxc5#
- 1...Rxe5
- 2.Qc2#
- 2.Qd3#
- 1...cxb4
- 2.Qd4#
- 1...f3
- 2.Rxe3#
- 2.Qxe3#
- 2.gxf3#
- 1...c4
- 2.Sc5#
- 2.Qd4#
- 1...Rh7+!
- threat
- 1.Ka8?
- 1...Qxe1
- 2.Qxe1#
- 1...Rxe5
- 2.Qc2#
- 2.Qd3#
- 1...cxb4
- 2.Qd4#
- 1...Rh6
- 2.Sg5#
- 1...Qe2
- 2.Rxe2#
- 1...Rh1
- 2.Sg5#
- 1...Rh2
- 2.Sg5#
- 1...Rh3
- 2.Sg5#
- 1...Rh4
- 2.Sg5#
- 1...Rf5
- 2.Bf3#
- 1...Rg5
- 2.Sxg5#
- 1...Rh7
- 2.Sg5#
- 1...Sa5
- 2.Sxc5#
- 1...Sd6
- 2.Sxc5#
- 1...Sd8
- 2.Sxc5#
- 1...f3
- 2.Rxe3#
- 2.Qxe3#
- 2.gxf3#
- 1...c4
- 2.Qd4#
- 1...Rh8+!
- 1...Qxe1
- 1.Kb8?
- 1...Qxe1
- 2.Qxe1#
- 1...Rxe5
- 2.Qc2#
- 2.Qd3#
- 1...cxb4
- 2.Qd4#
- 1...Rh6
- 2.Sg5#
- 1...Qe2
- 2.Rxe2#
- 1...Rh1
- 2.Sg5#
- 1...Rh2
- 2.Sg5#
- 1...Rh3
- 2.Sg5#
- 1...Rh4
- 2.Sg5#
- 1...Rf5
- 2.Bf3#
- 1...Rg5
- 2.Sxg5#
- 1...Rh7
- 2.Sg5#
- 1...Sa5
- 2.Sxc5#
- 1...Sd6
- 2.Sxc5#
- 1...Sd8
- 2.Sxc5#
- 1...f3
- 2.Rxe3#
- 2.Qxe3#
- 2.gxf3#
- 1...c4
- 2.Qd4#
- 1...Rh8+!
- 1...Qxe1
- 1.Re2?
- 1...cxb4+
- 2.Qd4#
- 1...c4+
- 2.Qd4#
- 1...Rxe5
- 2.Qc2#
- 2.Qd3#
- 1...Rh6
- 2.Sg5#
- 1...Rh1
- 2.Sg5#
- 1...Rh2
- 2.Sg5#
- 1...Rh3
- 2.Sg5#
- 1...Rh4
- 2.Sg5#
- 1...Rf5
- 2.Bf3#
- 1...Rg5
- 2.Sxg5#
- 1...Rh7
- 2.Sg5#
- 1...Rh8
- 2.Sg5#
- 1...Sa5
- 2.Sxc5#
- 1...Sd6
- 2.Sxc5#
- 1...Sd8
- 2.Sxc5#
- 1...f3
- 2.Rxe3#
- 2.Qxe3#
- 2.gxf3#
- 1...Qxe2!
- 1...cxb4+
- 1.Qb2?
- 1...cxb4+
- 2.Qd4#
- 1...c4+
- 2.Qd4#
- 1...Rxe5
- 2.Qb1#
- 2.Qc2#
- 1...Qe2
- 2.Rxe2#
- 2.Qxe2#
- 1...Rh6
- 2.Sg5#
- 1...Rh1
- 2.Sg5#
- 1...Rh2
- 2.Sg5#
- 1...Rh3
- 2.Sg5#
- 1...Rh4
- 2.Sg5#
- 1...Rf5
- 2.Bf3#
- 1...Rg5
- 2.Sxg5#
- 1...Rh7
- 2.Sg5#
- 1...Rh8
- 2.Sg5#
- 1...Sa5
- 2.Sxc5#
- 1...Sd6
- 2.Sxc5#
- 1...Sd8
- 2.Sxc5#
- 1...f3
- 2.gxf3#
- 1...Qxe1!
- 1...cxb4+
- 1.Qd2?
- threat
- 2.Qd5#
- 1...cxb4+
- 2.Qd4#
- 1...c4+
- 2.Qd4#
- 1...Qxe1
- 2.Qxe1#
- 2.Qxf4#
- 1...Rxe5
- 2.Qc2#
- 2.Qd3#
- 1...Qe2
- 2.Rxe2#
- 2.Qxf4#
- 2.Qxe2#
- 1...Kxe5!
- threat
- 1.Qc4+?
- 1...Kxe5
- 2.Qxf4#
- 1...bxc4!
- 1...Kxe5
- 1.g3?
- 1...cxb4+
- 2.Qd4#
- 1...c4+
- 2.Qd4#
- 1...Qxe1
- 2.Qxe1#
- 1...Rxe5
- 2.Qc2#
- 2.Qd3#
- 1...fxg3
- 2.Rxe3#
- 2.Qxe3#
- 1...Rh6
- 2.Sg5#
- 1...Qe2
- 2.Rxe2#
- 1...Rh1
- 2.Sg5#
- 1...Rh2
- 2.Sg5#
- 1...Rh3
- 2.Sg5#
- 1...Rh4
- 2.Sg5#
- 1...Rg5
- 2.Sxg5#
- 1...Rh7
- 2.Sg5#
- 1...Rh8
- 2.Sg5#
- 1...Sa5
- 2.Sxc5#
- 1...Sd6
- 2.Sxc5#
- 1...Sd8
- 2.Sxc5#
- 1...f3
- 2.Rxe3#
- 2.Qxe3#
- 1...Rf5!
- 1...cxb4+
- 1.Ka6?
- Keys
- 1.Qa1!
- 1...cxb4+
- 2.Qd4#
- 1...c4+
- 2.Qd4#
- 1...Qxe1
- 2.Qxe1#
- 1...Rxe5
- 2.Qb1#
- 1...Qe2
- 2.Rxe2#
- 1...Rh6
- 2.Sg5#
- 1...Rh1
- 2.Sg5#
- 1...Rh2
- 2.Sg5#
- 1...Rh3
- 2.Sg5#
- 1...Rh4
- 2.Sg5#
- 1...Rf5
- 2.Bf3#
- 1...Rg5
- 2.Sxg5#
- 1...Rh7
- 2.Sg5#
- 1...Rh8
- 2.Sg5#
- 1...Sa5
- 2.Sxc5#
- 1...Sd6
- 2.Sxc5#
- 1...Sd8
- 2.Sxc5#
- 1...f3
- 2.gxf3#
- 1...cxb4+
- 1.Qa1!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- Q(a);N_SPINQ(a),OGATE,XR(A)::QAR(C),XQ(a)
- Q(a);OGATEB::R(A),XQ(a)
- R(f);N_GUARD::S(G)
- R(f);SBLOCK::B(E)
- R(f);N_GUARD::S(G),XR(f)
- S(g);N_GUARD::S(G),XP(e)
- P(e);CHECK,N_GUARD,XS(D)::QAR1(C)
- P(e);CHECK,N_GUARD::QAR1(C)
- Tries
- Try
- K(H);P-FLIGHT
- Vars
- Q(a);N_SPINQ(a),OGATE,XR(A)::QAR(C),XQ(a)
- P(e);N_GUARD,XS(D)::QAR1(C)
- Q(a);OGATEB::R(A),XQ(a)
- R(f);N_GUARD::S(G)
- R(f);SBLOCK::B(E)
- R(f);N_GUARD::S(G),XR(f)
- S(g);N_GUARD::S(G),XP(e)
- P(e);N_GUARD::QAR1(C)
- Refutation
- R(f);P_PINS(G)
- Try
- K(H);S_FLIGHT
- Vars
- P(e);CHECK,N_GUARD,XS(D)::QAR1(C)
- P(e);CHECK,N_GUARD::QAR1(C)
- Q(a);N_SPINQ(a),OGATE,XR(A)::QAR(C),XQ(a)
- Q(a);OGATEB::R(A),XQ(a)
- R(f);N_GUARD::S(G)
- R(f);SBLOCK::B(E)
- R(f);N_GUARD::S(G),XR(f)
- S(g);N_GUARD::S(G),XP(e)
- Refutation
- R(f);P_PINS(G)
- Try
- K(H);P-FLIGHT,XS(g)
- Threat
- S(G),XP(e)
- Vars
- P(e);N_GUARD,XS(D)::QAR1(C)
- Refutation
- R(f);CHECK
- Try
- K(H);P-FLIGHT
- Vars
- Q(a);N_SPINQ(a),OGATE,XR(A)::QAR(C),XQ(a)
- P(e);N_GUARD,XS(D)::QAR1(C)
- R(f);N_GUARD::S(G)
- Q(a);OGATEB::R(A),XQ(a)
- R(f);SBLOCK::B(E)
- R(f);N_GUARD::S(G),XR(f)
- S(g);N_GUARD::S(G),XP(e)
- P(e);N_GUARD::QAR1(C)
- Refutation
- R(f);CHECK
- Try
- K(H);S_FLIGHT
- Vars
- Q(a);N_SPINQ(a),OGATE,XR(A)::QAR(C),XQ(a)
- P(e);N_GUARD,XS(D)::QAR1(C)
- R(f);N_GUARD::S(G)
- Q(a);OGATEB::R(A),XQ(a)
- R(f);SBLOCK::B(E)
- R(f);N_GUARD::S(G),XR(f)
- S(g);N_GUARD::S(G),XP(e)
- P(e);N_GUARD::QAR1(C)
- Refutation
- R(f);CHECK
- Try
- R(A);
- Vars
- P(e);CHECK,N_GUARD,XS(D)::QAR1(C)
- P(e);CHECK,N_GUARD::QAR1(C)
- R(f);N_GUARD::S(G)
- R(f);SBLOCK::B(E)
- R(f);N_GUARD::S(G),XR(f)
- S(g);N_GUARD::S(G),XP(e)
- Refutation
- Q(a);N_SPINQ(a),XR(A)
- Try
- Q(C);
- Vars
- P(e);CHECK,N_GUARD,XS(D)::QAR1(C)
- P(e);CHECK,N_GUARD::QAR1(C)
- R(f);N_GUARD::S(G)
- R(f);SBLOCK::B(E)
- R(f);N_GUARD::S(G),XR(f)
- S(g);N_GUARD::S(G),XP(e)
- P(c);OGATE::P(B),XP(c)
- Refutation
- Q(a);N_SPINQ(a),XR(A)
- Try
- Q(C);
- Threat
- QAB1(C)
- Vars
- P(e);CHECK,N_GUARD,XS(D)::QAR1(C)
- P(e);CHECK,N_GUARD::QAR1(C)
- Refutation
- K(b);P-FLIGHT,XP(F)
- Try
- Q(C);CHECK
- Vars
- K(b);OGATE,P-FLIGHT,XP(F)::QAB1(C),XP(c)
- Refutation
- P(d);XQ(C)
- Try
- P(B);
- Vars
- P(e);CHECK,N_GUARD,XS(D)::QAR1(C)
- P(e);CHECK,N_GUARD::QAR1(C)
- Q(a);N_SPINQ(a),OGATE,XR(A)::QAR(C),XQ(a)
- R(f);N_GUARD::S(G)
- Q(a);OGATEB::R(A),XQ(a)
- R(f);N_GUARD::S(G),XR(f)
- S(g);N_GUARD::S(G),XP(e)
- Refutation
- R(f);
- Try
- Actual
- Q(C);
- Vars
- P(e);CHECK,N_GUARD,XS(D)::QAR1(C)
- P(e);CHECK,N_GUARD::QAR1(C)
- Q(a);N_SPINQ(a),OGATE,XR(A)::QAR(C),XQ(a)
- R(f);SBLOCK,XP(F)::QAB(C)
- Q(a);OGATEB::R(A),XQ(a)
- R(f);N_GUARD::S(G)
- R(f);SBLOCK::B(E)
- R(f);N_GUARD::S(G),XR(f)
- S(g);N_GUARD::S(G),XP(e)
- P(c);OGATE::P(B),XP(c)
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).