MESON Chess Problem Database
Problem Display
PID: 185242 (7k/3K2R1/8/1p2B3/p1p5/R2p4/BP1r2Pp/2Q5 w - - 0 1)
Pirnie, Duncan
British Chess Magazine, 1917
#2
8 + 7
SOLUTION
- SOUND
- Sets
- 1...Rd1
- 2.Qh6#
- 1...Rxb2
- 2.Qh6#
- 1...Rc2
- 2.Qh6#
- 1...Re2
- 2.Qh6#
- 1...Rf2
- 2.Qh6#
- 1...Rxg2
- 2.Qh6#
- 1...h1Q
- 2.Qxh1#
- 1...h1S
- 2.Qxh1#
- 1...h1B
- 2.Qxh1#
- 1...h1R
- 2.Qxh1#
- 1...c3
- 2.Re7#
- 1...Rd1
- Tries
- 1.Kc6?
- 1...Rxb2
- 2.Qh6#
- 1...Rxg2
- 2.Qh6#
- 1...h1Q
- 2.Qxh1#
- 1...h1S
- 2.Qxh1#
- 1...h1B
- 2.Qxh1#
- 1...h1R
- 2.Qxh1#
- 1...Rd1
- 2.Qh6#
- 1...Rc2
- 2.Qh6#
- 1...Re2
- 2.Qh6#
- 1...Rf2
- 2.Qh6#
- 1...c3
- 2.Ra7#
- 2.Rb7#
- 2.Rc7#
- 2.Rd7#
- 2.Re7#
- 1...b4!
- 1...Rxb2
- 1.Kd6?
- 1...Rxb2
- 2.Qh6#
- 1...Rxg2
- 2.Qh6#
- 1...h1Q
- 2.Qxh1#
- 1...h1S
- 2.Qxh1#
- 1...h1B
- 2.Qxh1#
- 1...h1R
- 2.Qxh1#
- 1...Rd1
- 2.Qh6#
- 1...Rc2
- 2.Qh6#
- 1...Re2
- 2.Qh6#
- 1...Rf2
- 2.Qh6#
- 1...c3
- 2.Ra7#
- 2.Rb7#
- 2.Rc7#
- 2.Rd7#
- 2.Re7#
- 1...b4!
- 1...Rxb2
- 1.Kc7?
- 1...Rxb2
- 2.Qh6#
- 1...Rxg2
- 2.Qh6#
- 1...h1Q
- 2.Qxh1#
- 1...h1S
- 2.Qxh1#
- 1...h1B
- 2.Qxh1#
- 1...h1R
- 2.Qxh1#
- 1...Rd1
- 2.Qh6#
- 1...Rc2
- 2.Qh6#
- 1...Re2
- 2.Qh6#
- 1...Rf2
- 2.Qh6#
- 1...c3
- 2.Rd7#
- 2.Re7#
- 1...b4!
- 1...Rxb2
- 1.Kc8?
- 1...Rxb2
- 2.Qh6#
- 1...Rxg2
- 2.Qh6#
- 1...h1Q
- 2.Qxh1#
- 1...h1S
- 2.Qxh1#
- 1...h1B
- 2.Qxh1#
- 1...h1R
- 2.Qxh1#
- 1...Rd1
- 2.Qh6#
- 1...Rc2
- 2.Qh6#
- 1...Re2
- 2.Qh6#
- 1...Rf2
- 2.Qh6#
- 1...c3
- 2.Ra7#
- 2.Rb7#
- 2.Rc7#
- 2.Rd7#
- 2.Re7#
- 1...b4!
- 1...Rxb2
- 1.Kd8?
- 1...Rxb2
- 2.Qh6#
- 1...Rxg2
- 2.Qh6#
- 1...h1Q
- 2.Qxh1#
- 1...h1S
- 2.Qxh1#
- 1...h1B
- 2.Qxh1#
- 1...h1R
- 2.Qxh1#
- 1...Rd1
- 2.Qh6#
- 1...Rc2
- 2.Qh6#
- 1...Re2
- 2.Qh6#
- 1...Rf2
- 2.Qh6#
- 1...c3
- 2.Ra7#
- 2.Rb7#
- 2.Rc7#
- 2.Rd7#
- 2.Re7#
- 1...b4!
- 1...Rxb2
- 1.Ke8?
- 1...Rxb2
- 2.Qh6#
- 1...Rxg2
- 2.Qh6#
- 1...h1Q
- 2.Qxh1#
- 1...h1S
- 2.Qxh1#
- 1...h1B
- 2.Qxh1#
- 1...h1R
- 2.Qxh1#
- 1...Rd1
- 2.Qh6#
- 1...Rc2
- 2.Qh6#
- 1...Re2
- 2.Qh6#
- 1...Rf2
- 2.Qh6#
- 1...c3
- 2.Ra7#
- 2.Rb7#
- 2.Rc7#
- 2.Rd7#
- 2.Re7#
- 1...b4!
- 1...Rxb2
- 1.Bb3?
- 1...Rxb2
- 2.Qh6#
- 1...Rxg2
- 2.Qh6#
- 1...axb3
- 2.Ra8#
- 1...cxb3
- 2.Qc8#
- 1...h1Q
- 2.Qxh1#
- 1...h1S
- 2.Qxh1#
- 1...h1B
- 2.Qxh1#
- 1...h1R
- 2.Qxh1#
- 1...Rd1
- 2.Qh6#
- 1...Rc2
- 2.Qh6#
- 1...Re2
- 2.Qh6#
- 1...Rf2
- 2.Qh6#
- 1...c3
- 2.Re7#
- 1...b4!
- 1...Rxb2
- 1.Bxc4?
- threat
- 2.Re7#
- 1...Rxg2
- 2.Qh6#
- 1...Re2
- 2.Qh6#
- 1...Rf2
- 2.Qh6#
- 1...bxc4!
- threat
- 1.Bc3?
- 1...Rxb2
- 2.Qh6#
- 1...Rxg2
- 2.Qh6#
- 1...h1Q
- 2.Qxh1#
- 1...h1S
- 2.Qxh1#
- 1...h1B
- 2.Qxh1#
- 1...h1R
- 2.Qxh1#
- 1...Rd1
- 2.Qh6#
- 1...Rc2
- 2.Qh6#
- 1...Re2
- 2.Qh6#
- 1...Rf2
- 2.Qh6#
- 1...b4!
- 1...Rxb2
- 1.Bd4?
- 1...Rxb2
- 2.Qh6#
- 1...Rxg2
- 2.Qh6#
- 1...h1Q
- 2.Qxh1#
- 1...h1S
- 2.Qxh1#
- 1...h1B
- 2.Qxh1#
- 1...h1R
- 2.Qxh1#
- 1...Rd1
- 2.Qh6#
- 1...Rc2
- 2.Qh6#
- 1...Re2
- 2.Qh6#
- 1...Rf2
- 2.Qh6#
- 1...c3
- 2.Re7#
- 1...b4!
- 1...Rxb2
- 1.Bf6?
- 1...Rxb2
- 2.Qh6#
- 1...Rxg2
- 2.Qh6#
- 1...h1Q
- 2.Qxh1#
- 1...h1S
- 2.Qxh1#
- 1...h1B
- 2.Qxh1#
- 1...h1R
- 2.Qxh1#
- 1...Rd1
- 2.Qh6#
- 1...Rc2
- 2.Qh6#
- 1...Re2
- 2.Qh6#
- 1...Rf2
- 2.Qh6#
- 1...c3
- 2.Re7#
- 1...b4!
- 1...Rxb2
- 1.Rxa4?
- threat
- 2.Ra8#
- 1...Rf2
- 2.Qh6#
- 1...bxa4!
- threat
- 1.Qe1?
- threat
- 2.Qh4#
- 1...h1Q
- 2.Qxh1#
- 1...h1R
- 2.Qxh1#
- 1...Rf2!
- threat
- 1.Qxc4?
- threat
- 2.Re7#
- 2.Qg8#
- 2.Qh4#
- 2.Qc8#
- 1...Rxg2
- 2.Qg8#
- 2.Qh4#
- 2.Qc8#
- 1...h1Q
- 2.Re7#
- 2.Qg8#
- 2.Qc8#
- 1...h1R
- 2.Re7#
- 2.Qg8#
- 2.Qc8#
- 1...Rc2
- 2.Re7#
- 2.Qg8#
- 2.Qh4#
- 1...Re2
- 2.Qg8#
- 2.Qh4#
- 2.Qc8#
- 1...Rf2
- 2.Qg8#
- 2.Qh4#
- 1...bxc4!
- threat
- 1.Kc6?
- Keys
- 1.b4!
- 1...Rxa2
- 2.Qh6#
- 1...Rxg2
- 2.Qh6#
- 1...axb4 ep
- 2.Ra8#
- 1...cxb4 ep
- 2.Qc8#
- 1...h1Q
- 2.Qxh1#
- 1...h1S
- 2.Qxh1#
- 1...h1B
- 2.Qxh1#
- 1...h1R
- 2.Qxh1#
- 1...Rd1
- 2.Qh6#
- 1...Rb2
- 2.Qh6#
- 1...Rc2
- 2.Qh6#
- 1...Re2
- 2.Qh6#
- 1...Rf2
- 2.Qh6#
- 1...c3
- 2.Re7#
- 1...Rxa2
- 1.b4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- R(a);OGATE::QAR2(A)
- R(a);OGATE,XP(C)::QAR2(A)
- R(a);OGATE,XP(D)::QAR2(A)
- P(b);OGATEB::QAB(A),XQ(b)
- P(b);OGATEB::QAB(A),XS(b)
- P(b);OGATEB::QAB(A),XB(b)
- P(b);OGATEB::QAB(A),XR(b)
- P(e);::B(F)+R(H)
- Tries
- Try
- K(G);S_FLIGHT
- Vars
- R(a);OGATE,XP(C)::QAR2(A)
- R(a);OGATE,XP(D)::QAR2(A)
- P(b);OGATEB,P_PINP(D)::QAB(A),XQ(b)
- P(b);OGATEB::QAB(A),XS(b)
- P(b);OGATEB,P_PINP(D)::QAB(A),XB(b)
- P(b);OGATEB::QAB(A),XR(b)
- R(a);OGATE::QAR2(A)
- Refutation
- P(f);
- Try
- K(G);P-FLIGHT
- Vars
- R(a);OGATE,XP(C)::QAR2(A)
- R(a);OGATE,XP(D)::QAR2(A)
- P(b);OGATEB::QAB(A),XQ(b)
- P(b);OGATEB::QAB(A),XS(b)
- P(b);OGATEB::QAB(A),XB(b)
- P(b);OGATEB::QAB(A),XR(b)
- R(a);OGATE::QAR2(A)
- Refutation
- P(f);
- Try
- K(G);P-FLIGHT
- Vars
- R(a);OGATE,XP(C)::QAR2(A)
- R(a);OGATE,XP(D)::QAR2(A)
- P(b);OGATEB::QAB(A),XQ(b)
- P(b);OGATEB::QAB(A),XS(b)
- P(b);OGATEB::QAB(A),XB(b)
- P(b);OGATEB::QAB(A),XR(b)
- R(a);OGATE::QAR2(A)
- Refutation
- P(f);
- Try
- K(G);S_FLIGHT
- Vars
- R(a);OGATE,XP(C)::QAR2(A)
- R(a);OGATE,XP(D)::QAR2(A)
- P(b);OGATEB::QAB(A),XQ(b)
- P(b);OGATEB::QAB(A),XS(b)
- P(b);OGATEB::QAB(A),XB(b)
- P(b);OGATEB::QAB(A),XR(b)
- R(a);OGATE::QAR2(A)
- Refutation
- P(f);
- Try
- K(G);P-FLIGHT
- Vars
- R(a);OGATE,XP(C)::QAR2(A)
- R(a);OGATE,XP(D)::QAR2(A)
- P(b);OGATEB::QAB(A),XQ(b)
- P(b);OGATEB::QAB(A),XS(b)
- P(b);OGATEB::QAB(A),XB(b)
- P(b);OGATEB::QAB(A),XR(b)
- R(a);OGATE::QAR2(A)
- Refutation
- P(f);
- Try
- K(G);S_FLIGHT
- Vars
- R(a);OGATE,XP(C)::QAR2(A)
- R(a);OGATE,XP(D)::QAR2(A)
- P(b);OGATEB::QAB(A),XQ(b)
- P(b);OGATEB::QAB(A),XS(b)
- P(b);OGATEB::QAB(A),XB(b)
- P(b);OGATEB::QAB(A),XR(b)
- R(a);OGATE::QAR2(A)
- R(a);OGATE,P_PINB(F)::QAR2(A)
- Refutation
- P(f);
- Try
- B(B);
- Vars
- R(a);OGATE,XP(C)::QAR2(A)
- R(a);OGATE,XP(D)::QAR2(A)
- P(d);OGATE,XB(B)::R(E)
- P(e);OGATE,XB(B)::QAR(A)
- P(b);OGATEB::QAB(A),XQ(b)
- P(b);OGATEB::QAB(A),XS(b)
- P(b);OGATEB::QAB(A),XB(b)
- P(b);OGATEB::QAB(A),XR(b)
- R(a);OGATE::QAR2(A)
- P(e);::B(F)+R(H)
- Refutation
- P(f);
- Try
- B(B);XP(e)
- Threat
- B(F)+R(H)
- Vars
- R(a);OGATE,XP(D)::QAR2(A)
- R(a);OGATE::QAR2(A)
- Refutation
- P(f);XB(B)
- Try
- B(F);
- Vars
- R(a);OGATE,XP(C)::QAR2(A)
- R(a);OGATE,XP(D)::QAR2(A)
- P(b);OGATEB::QAB(A),XQ(b)
- P(b);OGATEB::QAB(A),XS(b)
- P(b);OGATEB::QAB(A),XB(b)
- P(b);OGATEB::QAB(A),XR(b)
- R(a);OGATE::QAR2(A)
- Refutation
- P(f);
- Try
- B(F);
- Vars
- R(a);OGATE,XP(C)::QAR2(A)
- R(a);OGATE,XP(D)::QAR2(A)
- P(b);OGATEB::QAB(A),XQ(b)
- P(b);OGATEB::QAB(A),XS(b)
- P(b);OGATEB::QAB(A),XB(b)
- P(b);OGATEB::QAB(A),XR(b)
- R(a);OGATE::QAR2(A)
- P(e);::B(F)+R(H)
- Refutation
- P(f);
- Try
- B(F);
- Vars
- R(a);OGATE,XP(C)::QAR2(A)
- R(a);OGATE,XP(D)::QAR2(A)
- P(b);OGATEB::QAB(A),XQ(b)
- P(b);OGATEB::QAB(A),XS(b)
- P(b);OGATEB::QAB(A),XB(b)
- P(b);OGATEB::QAB(A),XR(b)
- R(a);OGATE::QAR2(A)
- P(e);::B(F)+R(H)
- Refutation
- P(f);
- Try
- R(E);XP(d)
- Threat
- R(E)
- Vars
- R(a);OGATE::QAR2(A)
- Refutation
- P(f);XR(E)
- Try
- Q(A);
- Threat
- QAR(A)
- Vars
- P(b);OGATEB::QAB(A),XQ(b)
- P(b);OGATEB::QAB(A),XR(b)
- Refutation
- R(a);
- Try
- Q(A);XP(e)
- Threat
- DUALS(4)
- Refutation
- P(f);XQ(A)
- Try
- Actual
- P(C);
- Vars
- R(a);OGATE,XB(B)::QAR2(A)
- R(a);OGATE,XP(D)::QAR2(A)
- P(d);EP,OGATE,XP(C)::R(E)
- P(e);EP,OGATE,XP(C)::QAR(A)
- P(b);OGATEB::QAB(A),XQ(b)
- P(b);OGATEB::QAB(A),XS(b)
- P(b);OGATEB::QAB(A),XB(b)
- P(b);OGATEB::QAB(A),XR(b)
- R(a);OGATE::QAR2(A)
- P(e);::B(F)+R(H)
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).