MESON Chess Problem Database
Problem Display
PID: 51286 (3R4/K1N1B3/1Pk3q1/3p3R/pP6/5r2/2bP4/1r1BQ3 w - - 0 1)
Waterhouse, T
Manchester Guardian, 1956
#2
10 + 7
SOLUTION
- SOUND
- Sets
- 1...Qd3
- 2.Rd6#
- 2.Qe6#
- 1...Qe4
- 2.Rd6#
- 1...Qf5
- 2.Rd6#
- 1...Qxh5
- 2.Rd6#
- 2.Qe6#
- 1...Qf7
- 2.Rd6#
- 1...Qh7
- 2.Rd6#
- 2.Qe6#
- 1...Qe8
- 2.Rd6#
- 2.Qe6#
- 1...Qg1
- 2.Rd6#
- 2.Qe6#
- 1...Qg2
- 2.Rd6#
- 2.Qe6#
- 1...Qg4
- 2.Rd6#
- 1...Qg5
- 2.Rd6#
- 2.Qe6#
- 1...Qd6
- 2.Rxd6#
- 1...Qe6
- 2.Qxe6#
- 1...Qg7
- 2.Rd6#
- 2.Qe6#
- 1...Qg8
- 2.Rd6#
- 1...Ra1
- 2.b5#
- 1...Rc1
- 2.b5#
- 1...Rxd1
- 2.b5#
- 1...Bb3
- 2.b5#
- 1...Be4
- 2.Bxa4#
- 1...Bf5
- 2.Bxa4#
- 1...d4
- 2.Rc5#
- 1...Qd3
- Tries
- 1.Bxf3?
- threat
- 2.Bxd5#
- 1...Qxh5
- 2.Rd6#
- 2.Qe6#
- 1...Qd3
- 2.Rd6#
- 2.Qe6#
- 1...Qe4
- 2.Rd6#
- 1...Qf5
- 2.Rd6#
- 1...Qf7
- 2.Rd6#
- 1...Qg2
- 2.Rd6#
- 2.Qe6#
- 1...Qg5
- 2.Rd6#
- 2.Qe6#
- 1...Qd6
- 2.Rxd6#
- 1...Qe6
- 2.Qxe6#
- 1...Qg8
- 2.Rd6#
- 1...Bb3
- 2.b5#
- 1...Be4!
- threat
- 1.Qe3?
- threat
- 2.Qc5#
- 1...Qg1
- 2.Rd6#
- 2.Qe6#
- 1...Qd6
- 2.Rxd6#
- 1...d4
- 2.Rc5#
- 1...Rxe3!
- threat
- 1.Qe5?
- threat
- 2.Qxd5#
- 1...Qxh5
- 2.Rd6#
- 2.Qd6#
- 2.Qe6#
- 1...Qd3
- 2.Rd6#
- 2.Qd6#
- 2.Qe6#
- 1...Qe4
- 2.Rd6#
- 2.Qd6#
- 1...Qf5
- 2.Rd6#
- 2.Qd6#
- 1...Qf7
- 2.Rd6#
- 2.Qd6#
- 1...Qg5
- 2.Rd6#
- 2.Qd6#
- 2.Qe6#
- 1...Qd6
- 2.Rxd6#
- 2.Qxd6#
- 1...Qe6
- 2.Qxe6#
- 1...Qg8
- 2.Rd6#
- 2.Qd6#
- 1...Rf5
- 2.Qc3#
- 1...Bb3
- 2.b5#
- 1...Be4
- 2.Bxa4#
- 1...d4
- 2.Qb5#
- 2.Qc5#
- 2.Qd5#
- 1...Rd3!
- threat
- 1.Bxf3?
- Keys
- 1.Qe4!
- threat
- 2.Qxd5#
- 1...Qxe4
- 2.Rd6#
- 1...Qxh5
- 2.Rd6#
- 2.Qe6#
- 1...Bxe4
- 2.Bxa4#
- 1...dxe4
- 2.Rc5#
- 1...Qf5
- 2.Rd6#
- 1...Qf7
- 2.Rd6#
- 1...Qg5
- 2.Rd6#
- 2.Qe6#
- 1...Qd6
- 2.Rxd6#
- 1...Qe6
- 2.Qxe6#
- 1...Qg8
- 2.Rd6#
- 1...Rd3
- 2.Qxg6#
- 1...Rf5
- 2.Qxc2#
- 1...Bb3
- 2.b5#
- threat
- 1.Qe4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 6
- Sets
- Q(g);N_GUARD::R1(J)
- Q(g);N_GUARD::R1(J),XQ(g)
- Q(g);N_GUARD::QAR2(B),XQ(g)
- R(a);N_GUARD::P(D)
- R(a);N_GUARD,XB(A)::P(D)
- B(b);S_CUTR(a)::P(D)
- B(b);OGATE::B(A),XP(d)
- P(e);OGATE::R1(E)
- Tries
- Try
- B(A);P_PINP(e),XR(c)
- Threat
- B(A),XP(e)
- Vars
- Q(g);N_GUARD,N_SPINP(e)::R1(J)
- Q(g);N_GUARD::R1(J)
- Q(g);N_GUARD::R1(J),XQ(g)
- Q(g);N_GUARD::QAR2(B),XQ(g)
- B(b);S_CUTR(a)::P(D)
- Refutation
- B(b);N_SPINP(e)
- Try
- Q(B);
- Threat
- QAR1(B)
- Vars
- Q(g);N_GUARD::R1(J),XQ(g)
- P(e);OGATE::R1(E)
- Refutation
- R(c);XQ(B)
- Try
- Q(B);
- Threat
- QAB1(B),XP(e)
- Vars
- Q(g);N_GUARD::QAR2(B),XQ(g)
- R(c);N_GUARD::QAR(B)
- B(b);S_CUTR(a)::P(D)
- B(b);OGATE::B(A),XP(d)
- Refutation
- R(c);
- Try
- Actual
- Q(B);P_PINP(e)
- Threat
- QAB1(B),XP(e)
- Vars
- Q(g);N_GUARD,N_SPINP(e),XQ(B)::R1(J)
- B(b);N_SPINP(e),OGATE,XQ(B)::B(A),XP(d)
- P(e);N_SPINP(e),OGATE,XQ(B)::R1(E)
- Q(g);N_GUARD::R1(J)
- Q(g);N_GUARD::R1(J),XQ(g)
- Q(g);N_GUARD::QAR2(B),XQ(g)
- R(c);N_GUARD,S_CUTB(b)::QAR(B),XQ(g)
- R(c);N_GUARD,S_CUTQ(g)::QAR(B),XB(b)
- B(b);S_CUTR(a)::P(D)
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).