MESON Chess Problem Database
Problem Display
PID: 55939 (8/p2n4/B2B4/6Kp/p3b2R/P1k3n1/Q7/2N5 w - - 0 1)
Smith, William James
1st Comm., Brisbane Courier, 1914-1915
#2
7 + 7
SOLUTION
- SOUND
- Sets
- 1...Kd4
- 2.Qd2#
- 1...Bb1
- 2.Bb4#
- 2.Rc4#
- 1...Bh1
- 2.Bb4#
- 2.Rc4#
- 1...Bc2
- 2.Bb4#
- 1...Bg2
- 2.Bb4#
- 2.Rc4#
- 1...Bd3
- 2.Bb4#
- 1...Bf3
- 2.Bb4#
- 2.Rc4#
- 1...Bd5
- 2.Bb4#
- 1...Bf5
- 2.Bb4#
- 2.Rc4#
- 1...Bc6
- 2.Bb4#
- 2.Rc4#
- 1...Bg6
- 2.Bb4#
- 2.Rc4#
- 1...Bb7
- 2.Bb4#
- 2.Rc4#
- 1...Bh7
- 2.Bb4#
- 2.Rc4#
- 1...Ba8
- 2.Bb4#
- 2.Rc4#
- 1...Sf1
- 2.Se2#
- 1...Sh1
- 2.Se2#
- 1...Se2
- 2.Sxe2#
- 1...Sf5
- 2.Se2#
- 1...Sc5
- 2.Be5#
- 1...Se5
- 2.Bxe5#
- 1...Sb6
- 2.Be5#
- 1...Sf6
- 2.Be5#
- 1...Sb8
- 2.Be5#
- 1...Sf8
- 2.Be5#
- 1...Kd4
- Tries
- 1.Kh6?
- 1...Kd4
- 2.Qd2#
- 1...Bb1
- 2.Bb4#
- 2.Rc4#
- 1...Bh1
- 2.Bb4#
- 2.Rc4#
- 1...Bc2
- 2.Bb4#
- 1...Bg2
- 2.Bb4#
- 2.Rc4#
- 1...Bd3
- 2.Bb4#
- 1...Bf3
- 2.Bb4#
- 2.Rc4#
- 1...Bd5
- 2.Bb4#
- 1...Bf5
- 2.Bb4#
- 2.Rc4#
- 1...Bc6
- 2.Bb4#
- 2.Rc4#
- 1...Bg6
- 2.Bb4#
- 2.Rc4#
- 1...Bb7
- 2.Bb4#
- 2.Rc4#
- 1...Bh7
- 2.Bb4#
- 2.Rc4#
- 1...Ba8
- 2.Bb4#
- 2.Rc4#
- 1...Sf1
- 2.Se2#
- 1...Sh1
- 2.Se2#
- 1...Se2
- 2.Sxe2#
- 1...Sc5
- 2.Be5#
- 1...Se5
- 2.Bxe5#
- 1...Sb6
- 2.Be5#
- 1...Sf6
- 2.Be5#
- 1...Sb8
- 2.Be5#
- 1...Sf8
- 2.Be5#
- 1...Sf5+!
- 1...Kd4
- 1.Sb3?
- threat
- 2.Bb4#
- 1...Sc5
- 2.Be5#
- 1...axb3!
- threat
- 1.Sd3?
- threat
- 2.Qb2#
- 1...Bxd3
- 2.Bb4#
- 1...Kd4!
- threat
- 1.Bxg3?
- threat
- 2.Se2#
- 1...Bc2
- 2.Be1#
- 1...Bd3
- 2.Be1#
- 1...Bf3
- 2.Be1#
- 2.Rc4#
- 1...Kd4!
- threat
- 1.Bc7?
- 1...Sf1
- 2.Se2#
- 1...Bb1
- 2.Ba5#
- 2.Rc4#
- 1...Bh1
- 2.Ba5#
- 2.Rc4#
- 1...Bc2
- 2.Ba5#
- 1...Bg2
- 2.Ba5#
- 2.Rc4#
- 1...Bd3
- 2.Ba5#
- 1...Bf3
- 2.Ba5#
- 2.Rc4#
- 1...Bd5
- 2.Ba5#
- 1...Bf5
- 2.Ba5#
- 2.Rc4#
- 1...Bc6
- 2.Ba5#
- 2.Rc4#
- 1...Bg6
- 2.Ba5#
- 2.Rc4#
- 1...Bb7
- 2.Ba5#
- 2.Rc4#
- 1...Bh7
- 2.Ba5#
- 2.Rc4#
- 1...Ba8
- 2.Ba5#
- 2.Rc4#
- 1...Sh1
- 2.Se2#
- 1...Se2
- 2.Sxe2#
- 1...Sf5
- 2.Se2#
- 1...Sc5
- 2.Be5#
- 1...Se5
- 2.Bxe5#
- 1...Sb6
- 2.Be5#
- 1...Sf6
- 2.Be5#
- 1...Sb8
- 2.Be5#
- 1...Sf8
- 2.Be5#
- 1...Kd4!
- 1...Sf1
- 1.Rxe4?
- threat
- 2.Bb4#
- 2.Rc4#
- 1...Sc5
- 2.Be5#
- 2.Rc4#
- 1...Se5
- 2.Bb4#
- 2.Bxe5#
- 1...Sb6
- 2.Bb4#
- 2.Be5#
- 1...Sxe4+!
- threat
- 1.Rf4?
- 1...Kd4
- 2.Qd2#
- 1...Sf1
- 2.Se2#
- 1...Bb1
- 2.Bb4#
- 2.Rc4#
- 1...Bh1
- 2.Bb4#
- 2.Rc4#
- 1...Bc2
- 2.Bb4#
- 1...Bg2
- 2.Bb4#
- 2.Rc4#
- 1...Bd3
- 2.Bb4#
- 1...Bf3
- 2.Bb4#
- 2.Rc4#
- 1...Bd5
- 2.Bb4#
- 1...Bf5
- 2.Bb4#
- 2.Rc4#
- 1...Bc6
- 2.Bb4#
- 2.Rc4#
- 1...Bg6
- 2.Bb4#
- 2.Rc4#
- 1...Bb7
- 2.Bb4#
- 2.Rc4#
- 1...Bh7
- 2.Bb4#
- 2.Rc4#
- 1...Ba8
- 2.Bb4#
- 2.Rc4#
- 1...Sh1
- 2.Se2#
- 1...Se2
- 2.Sxe2#
- 1...Sf5
- 2.Se2#
- 1...Sc5
- 2.Be5#
- 1...Se5
- 2.Bxe5#
- 1...Sb6
- 2.Be5#
- 1...Sf6
- 2.Be5#
- 1...Sb8
- 2.Be5#
- 1...Sf8
- 2.Be5#
- 1...h4!
- 1...Kd4
- 1.Qf2?
- threat
- 2.Bb4#
- 1...Bc2
- 2.Qd4#
- 1...Sc5
- 2.Be5#
- 1...Se2!
- threat
- 1.Kh6?
- Keys
- 1.Bf4!
- threat
- 2.Qd2#
- 1...Kd4
- 2.Qc4#
- 1...Sf1
- 2.Se2#
- 1...Bc2
- 2.Qa1#
- 1...Bd3
- 2.Bd2#
- threat
- 1.Bf4!
FEATURES
- Static
- TYPE = BLOCK_THREAT
- CHANGED MATES = 3
- ADDED MATES = 0
- REMOVED MATES = 10
- Sets
- K(a);P_SPINB(d),S_FLIGHT::QAR2(B)
- B(d);::B(G)
- S(b);N_GUARD::S(A)
- S(b);N_GUARD::S(A),XS(b)
- S(g);N_GUARD::B(G)
- S(g);N_GUARD::B(G),XS(g)
- Tries
- Try
- K(E);S_FLIGHT
- Vars
- K(a);P_SPINB(d),S_FLIGHT::QAR2(B)
- B(d);::B(G)
- S(b);N_GUARD::S(A)
- S(b);N_GUARD::S(A),XS(b)
- S(g);N_GUARD::B(G)
- S(g);N_GUARD::B(G),XS(g)
- Refutation
- S(b);CHECK
- Try
- S(A);
- Threat
- B(G)
- Vars
- S(g);N_GUARD::B(G)
- Refutation
- P(c);XS(A)
- Try
- S(A);
- Threat
- QAB1(B)
- Vars
- B(d);XS(A)::B(G)
- Refutation
- K(a);P_SPINB(d),S_FLIGHT
- Try
- B(G);XS(b)
- Threat
- S(A)
- Vars
- B(d);::B(G)
- Refutation
- K(a);P_SPINB(d),S_FLIGHT
- Try
- B(G);
- Vars
- S(b);N_GUARD::S(A)
- B(d);::B(G)
- S(b);N_GUARD::S(A),XS(b)
- S(g);N_GUARD::B(G)
- S(g);N_GUARD::B(G),XS(g)
- Refutation
- K(a);P_SPINB(d),S_FLIGHT
- Try
- R(D);XB(d)
- Threat
- DUALS(2)
- Refutation
- S(b);CHECK,XR(D)
- Try
- R(D);
- Vars
- K(a);P_SPINB(d),S_FLIGHT::QAR2(B)
- S(b);N_GUARD::S(A)
- B(d);::B(G)
- S(b);N_GUARD::S(A),XS(b)
- S(g);N_GUARD::B(G)
- S(g);N_GUARD::B(G),XS(g)
- Refutation
- P(e);
- Try
- Q(B);
- Threat
- B(G)
- Vars
- B(d);SBLOCK::QAB1(B)
- S(g);N_GUARD::B(G)
- Refutation
- S(b);
- Try
- Actual
- B(G);
- Threat
- QAB1(B)
- Vars
- K(a);S_FLIGHT::QAR1(B)
- S(b);N_GUARD::S(A)
- B(d);SBLOCK::QAB(B)
- B(d);::B(G)
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).