MESON Chess Problem Database
Problem Display
PID: 143707 (4N3/2Rp1KB1/8/1P1k2pr/n3q1N1/1P1b4/2nQ1PB1/3r4 w - - 0 1)
Holladay, Edgar Dinwiddie
Kipping, Cyril Stanley
US Problem Bulletin, 1964
#2
10 + 9
SOLUTION
- SOUND
- Sets
- 1...Qf3+
- 2.Bxf3#
- 1...Rh1
- 2.Qxg5#
- 1...Rh2
- 2.Qxg5#
- 1...Rh3
- 2.Qxg5#
- 1...Rh4
- 2.Qxg5#
- 1...Rh6
- 2.Qxg5#
- 1...Rh7
- 2.Qxg5#
- 1...Rh8
- 2.Qxg5#
- 1...Sa1
- 2.Se3#
- 1...Se1
- 2.Se3#
- 1...Sa3
- 2.Se3#
- 1...Se3
- 2.Sxe3#
- 1...Sb4
- 2.Se3#
- 1...Sd4
- 2.Se3#
- 1...Qf3+
- Tries
- 1.Sef6+?
- 1...Kd4
- 2.Rc4#
- 1...Kd6!
- 1...Kd4
- 1.Qc3?
- threat
- 2.Sgf6#
- 2.Rxd7#
- 2.Qe5#
- 1...Qf3+
- 2.Sgf6#
- 1...Qxg2
- 2.Sgf6#
- 2.Qe5#
- 1...Bxb5
- 2.Sgf6#
- 2.Qe5#
- 1...Rh6
- 2.Qe5#
- 1...Bc4
- 2.Sgf6#
- 2.Qe5#
- 2.Qxc4#
- 2.bxc4#
- 1...Sd4
- 2.Se3#
- 2.Rxd7#
- 2.Qxd4#
- 1...Sc5
- 2.Sgf6#
- 2.Rxc5#
- 2.Qe5#
- 2.Qxc5#
- 1...Sb6
- 2.Sgf6#
- 2.Rc5#
- 2.Qe5#
- 2.Qc5#
- 1...d6
- 2.Sgf6#
- 2.Sef6#
- 2.Qc6#
- 1...Sxc3!
- threat
- 1.Qb4?
- threat
- 2.Sef6#
- 2.Rxd7#
- 2.Qd6#
- 1...Qf3+
- 2.Sef6#
- 1...Qxg2
- 2.Sef6#
- 2.Rxd7#
- 1...Bxb5
- 2.Sef6#
- 2.Bxe4#
- 2.Qd6#
- 2.Qxe4#
- 1...Sxb4
- 2.Se3#
- 1...Bc4
- 2.Rxd7#
- 2.Qd6#
- 2.Qxc4#
- 2.bxc4#
- 1...Sc5
- 2.Rxc5#
- 2.Qxc5#
- 1...Sb6
- 2.Sef6#
- 2.Rc5#
- 2.Qc5#
- 2.Qd6#
- 1...d6
- 2.Sef6#
- 2.Qxd6#
- 1...Rh6!
- threat
- 1.Qf4?
- threat
- 2.Qe5#
- 2.Qd6#
- 2.Qf5#
- 1...Qxg2
- 2.Sgf6#
- 2.Sef6#
- 2.Qe5#
- 1...Rh6
- 2.Qe5#
- 2.Qxg5#
- 2.Qf5#
- 1...Qf3
- 2.Sgf6#
- 2.Sef6#
- 1...Se3
- 2.Sxe3#
- 2.Qe5#
- 2.Qd6#
- 1...Sd4
- 2.Se3#
- 2.Sgf6#
- 2.Sef6#
- 2.Qe5#
- 2.Qd6#
- 1...d6
- 2.Qxd6#
- 2.Qf5#
- 1...gxf4!
- threat
- 1.Qxd3+?
- 1...Sd4
- 2.Se3#
- 2.Bxe4#
- 2.Qc4#
- 2.Qxe4#
- 1...Rxd3!
- 1...Sd4
- 1.Sef6+?
- Keys
- 1.Qe3!
- threat
- 2.Rxd7#
- 1...Qf3+
- 2.Sgf6#
- 1...Bxb5
- 2.Bxe4#
- 2.Qxe4#
- 1...Sxe3
- 2.Sxe3#
- 1...Rh6
- 2.Qxg5#
- 1...Sd4
- 2.Qxd4#
- 1...Sc5
- 2.Rxc5#
- 2.Qxc5#
- 1...Sb6
- 2.Rc5#
- 2.Qc5#
- 1...d6
- 2.Sef6#
- threat
- 1.Qe3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 1
- REMOVED MATES = 10
- Sets
- Q(e);CHECK,OGATEB::B(C),XQ(e)
- R(h);N_GUARD::QAR(A),XP(g)
- R(h);N_GUARD,P_PINB(I)::QAR(A),XP(g)
- S(b);N_GUARD::S(E)
- S(b);N_GUARD::S(E),XS(b)
- S(b);N_GUARD,N_SPINB(c)::S(E)
- Tries
- Try
- S(J);CHECK
- Vars
- K(f);N_SPINQ(e),P-FLIGHT::R1(G)
- Refutation
- K(f);N_SPINQ(e),P-FLIGHT
- Try
- Q(A);N_PINB(c)
- Threat
- DUALS(3)
- Vars
- Q(e);CHECK::S(E)
- R(h);::QAR1(A)
- Refutation
- S(d);XQ(A)
- Try
- Q(A);N_PINB(c)
- Threat
- DUALS(3)
- Vars
- Q(e);CHECK::S(J)
- S(b);N_GUARD,XQ(A)::S(E)
- Refutation
- R(h);
- Try
- Q(A);N_PINB(c)
- Threat
- DUALS(3)
- Refutation
- P(g);XQ(A)
- Try
- Q(A);CHECK,XB(c)
- Refutation
- R(a);XQ(A)
- Try
- Actual
- Q(A);N_PINB(c)
- Threat
- R(G),XP(i)
- Vars
- Q(e);CHECK::S(E)
- S(b);XQ(A)::S(E),XS(b)
- R(h);N_GUARD::QAR(A),XP(g)
- S(b);N_GUARD::QAR1(A),XS(b)
- P(i);SBLOCK::S(J)
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).