MESON Chess Problem Database
Problem Display
PID: 79628 (3R4/2n2R2/8/4k1Np/8/B1pb4/B2P1K1N/4n3 w - - 0 1)
Polglase, EJ
The Field, 1935
(First published on Sat May 25 1935)
#2
8 + 6
SOLUTION
- SOUND
- Sets
- 1...Bb1
- 2.d4#
- 1...Bf1
- 2.d4#
- 1...Bc2
- 2.d4#
- 1...Be2
- 2.d4#
- 1...Bc4
- 2.d4#
- 1...Be4
- 2.d4#
- 1...Bb5
- 2.d4#
- 1...Ba6
- 2.d4#
- 1...Bg6
- 2.d4#
- 1...Bh7
- 2.d4#
- 1...Sc2
- 2.Shf3#
- 1...Sg2
- 2.Shf3#
- 1...Sf3
- 2.Shxf3#
- 1...Sb5
- 2.Rd5#
- 1...Sd5
- 2.Rxd5#
- 1...Sa6
- 2.Rd5#
- 1...Se6
- 2.Rd5#
- 1...Sa8
- 2.Rd5#
- 1...Se8
- 2.Rd5#
- 1...cxd2
- 2.Bb2#
- 1...c2
- 2.Bb2#
- 1...h4
- 2.Sg4#
- 1...Bb1
- Tries
- 1.Kg1?
- 1...Sf3+
- 2.Shxf3#
- 1...cxd2
- 2.Bb2#
- 1...Sd5
- 2.Rxd5#
- 1...Bb1
- 2.d4#
- 1...Bf1
- 2.d4#
- 1...Bc2
- 2.d4#
- 1...Be2
- 2.d4#
- 1...Bc4
- 2.d4#
- 1...Be4
- 2.d4#
- 1...Bb5
- 2.d4#
- 1...Ba6
- 2.d4#
- 1...Bg6
- 2.d4#
- 1...Bh7
- 2.d4#
- 1...Sc2
- 2.Shf3#
- 1...Sg2
- 2.Shf3#
- 1...Sb5
- 2.Rd5#
- 1...Sa6
- 2.Rd5#
- 1...Se6
- 2.Rd5#
- 1...Sa8
- 2.Rd5#
- 1...Se8
- 2.Rd5#
- 1...c2
- 2.Bb2#
- 1...h4
- 2.Sg4#
- 1...Bf5!
- 1...Sf3+
- 1.Kg3?
- 1...cxd2
- 2.Bb2#
- 1...Sd5
- 2.Rxd5#
- 1...Bb1
- 2.d4#
- 1...Bf1
- 2.d4#
- 1...Bc2
- 2.d4#
- 1...Be2
- 2.d4#
- 1...Bc4
- 2.d4#
- 1...Be4
- 2.d4#
- 1...Bb5
- 2.d4#
- 1...Bf5
- 2.d4#
- 1...Ba6
- 2.d4#
- 1...Bg6
- 2.d4#
- 1...Bh7
- 2.d4#
- 1...Sc2
- 2.Shf3#
- 1...Sg2
- 2.Shf3#
- 1...Sf3
- 2.Shxf3#
- 1...Sb5
- 2.Rd5#
- 1...Sa6
- 2.Rd5#
- 1...Se6
- 2.Rd5#
- 1...Sa8
- 2.Rd5#
- 1...Se8
- 2.Rd5#
- 1...c2
- 2.Bb2#
- 1...h4+!
- 1...cxd2
- 1.Sgf3+?
- 1...Ke4
- 2.Rd4#
- 1...Sxf3!
- 1...Ke4
- 1.Bb3?
- 1...cxd2
- 2.Bb2#
- 1...Sd5
- 2.Rxd5#
- 1...Bb1
- 2.d4#
- 1...Bf1
- 2.d4#
- 1...Bc2
- 2.d4#
- 1...Be2
- 2.d4#
- 1...Bc4
- 2.d4#
- 1...Be4
- 2.d4#
- 1...Bb5
- 2.d4#
- 1...Ba6
- 2.d4#
- 1...Bg6
- 2.d4#
- 1...Bh7
- 2.d4#
- 1...Sc2
- 2.Shf3#
- 1...Sg2
- 2.Shf3#
- 1...Sf3
- 2.Shxf3#
- 1...Sb5
- 2.Rd5#
- 1...Sa6
- 2.Rd5#
- 1...Se6
- 2.Rd5#
- 1...Sa8
- 2.Rd5#
- 1...Se8
- 2.Rd5#
- 1...c2
- 2.Bb2#
- 1...h4
- 2.Sg4#
- 1...Bf5!
- 1...cxd2
- 1.Bc4?
- 1...Bxc4
- 2.d4#
- 1...cxd2
- 2.Bb2#
- 1...Sd5
- 2.Rxd5#
- 1...Bb1
- 2.d4#
- 1...Bf1
- 2.d4#
- 1...Bc2
- 2.d4#
- 1...Be2
- 2.d4#
- 1...Be4
- 2.d4#
- 1...Bg6
- 2.d4#
- 1...Bh7
- 2.d4#
- 1...Sc2
- 2.Shf3#
- 1...Sg2
- 2.Shf3#
- 1...Sf3
- 2.Shxf3#
- 1...Sb5
- 2.Rd5#
- 1...Sa6
- 2.Rd5#
- 1...Se6
- 2.Rd5#
- 1...Sa8
- 2.Rd5#
- 1...Se8
- 2.Rd5#
- 1...c2
- 2.Bb2#
- 1...h4
- 2.Sg4#
- 1...Bf5!
- 1...Bxc4
- 1.Be6?
- 1...cxd2
- 2.Bb2#
- 1...Bf5
- 2.Rxf5#
- 1...Sd5
- 2.Rxd5#
- 1...Bb1
- 2.d4#
- 1...Bf1
- 2.Rf5#
- 2.d4#
- 1...Bc2
- 2.d4#
- 1...Be2
- 2.Rf5#
- 2.d4#
- 1...Bc4
- 2.Rf5#
- 2.d4#
- 1...Be4
- 2.d4#
- 1...Bb5
- 2.Rf5#
- 2.d4#
- 1...Ba6
- 2.Rf5#
- 2.d4#
- 1...Bg6
- 2.d4#
- 1...Bh7
- 2.d4#
- 1...Sc2
- 2.Shf3#
- 1...Sg2
- 2.Shf3#
- 1...Sf3
- 2.Shxf3#
- 1...Sb5
- 2.Rd5#
- 1...Sa6
- 2.Rd5#
- 1...Sa8
- 2.Rd5#
- 1...Se8
- 2.Rd5#
- 1...c2
- 2.Bb2#
- 1...h4
- 2.Sg4#
- 1...Sxe6!
- 1...cxd2
- 1.Bb4?
- threat
- 2.Bxc3#
- 1...cxd2
- 2.Bc3#
- 1...Sd5
- 2.Rxd5#
- 1...Sc2
- 2.Shf3#
- 1...Sf3
- 2.Shxf3#
- 1...Sb5
- 2.Rd5#
- 1...Se6
- 2.Rd5#
- 1...c2
- 2.Bc3#
- 1...Bf5!
- threat
- 1.Bc5?
- threat
- 2.Bd4#
- 1...Sc2
- 2.Shf3#
- 1...Sf3
- 2.Shxf3#
- 1...Sb5
- 2.Rd5#
- 2.Re8#
- 1...Sd5
- 2.Rxd5#
- 1...Se6
- 2.Rd5#
- 1...Bf5!
- threat
- 1.Bf8?
- threat
- 2.Bg7#
- 1...Sd5
- 2.Rxd5#
- 1...Se6
- 2.Rd5#
- 1...Se8
- 2.Rd5#
- 1...Bf5!
- threat
- 1.Rff8?
- 1...cxd2
- 2.Bb2#
- 1...Sd5
- 2.Rxd5#
- 1...Bb1
- 2.d4#
- 1...Bf1
- 2.d4#
- 1...Bc2
- 2.d4#
- 1...Be2
- 2.d4#
- 1...Bc4
- 2.d4#
- 1...Be4
- 2.d4#
- 1...Bb5
- 2.d4#
- 1...Ba6
- 2.d4#
- 1...Bg6
- 2.d4#
- 1...Bh7
- 2.d4#
- 1...Sc2
- 2.Shf3#
- 1...Sg2
- 2.Shf3#
- 1...Sf3
- 2.Shxf3#
- 1...Sb5
- 2.Rd5#
- 1...Sa6
- 2.Rd5#
- 1...Se6
- 2.Rd5#
- 1...Sa8
- 2.Rd5#
- 1...Se8
- 2.Rd5#
- 1...c2
- 2.Bb2#
- 1...h4
- 2.Sg4#
- 1...Bf5!
- 1...cxd2
- 1.Rxd3?
- threat
- 2.Bd6#
- 1...Sb5
- 2.Rd5#
- 1...Sd5
- 2.Rxd5#
- 1...Se8
- 2.Rd5#
- 1...Sxd3+!
- threat
- 1.Rdd7?
- 1...cxd2
- 2.Bb2#
- 1...Sd5
- 2.Rxd5#
- 1...Bb1
- 2.d4#
- 1...Bf1
- 2.d4#
- 1...Bc2
- 2.d4#
- 1...Be2
- 2.d4#
- 1...Bc4
- 2.d4#
- 1...Be4
- 2.d4#
- 1...Bb5
- 2.d4#
- 1...Ba6
- 2.d4#
- 1...Bg6
- 2.d4#
- 1...Bh7
- 2.d4#
- 1...Sc2
- 2.Shf3#
- 1...Sg2
- 2.Shf3#
- 1...Sf3
- 2.Shxf3#
- 1...Sb5
- 2.Rd5#
- 1...Sa6
- 2.Rd5#
- 1...Se6
- 2.Rd5#
- 1...Sa8
- 2.Rd5#
- 1...Se8
- 2.Rd5#
- 1...c2
- 2.Bb2#
- 1...h4
- 2.Sg4#
- 1...Bf5!
- 1...cxd2
- 1.dxc3?
- threat
- 2.Bd6#
- 1...Sb5
- 2.Rd5#
- 2.Re8#
- 1...Se8
- 2.Rd5#
- 2.Rxe8#
- 1...Bc4!
- threat
- 1.Kg1?
- Keys
- 1.Bc1!
- 1...cxd2
- 2.Bb2#
- 1...Bf5
- 2.d4#
- 1...Sd5
- 2.Rxd5#
- 1...Bb1
- 2.d4#
- 1...Bf1
- 2.d4#
- 1...Bc2
- 2.d4#
- 1...Be2
- 2.d4#
- 1...Bc4
- 2.d4#
- 1...Be4
- 2.d4#
- 1...Bb5
- 2.d4#
- 1...Ba6
- 2.d4#
- 1...Bg6
- 2.d4#
- 1...Bh7
- 2.d4#
- 1...Sc2
- 2.Shf3#
- 1...Sg2
- 2.Shf3#
- 1...Sf3
- 2.Shxf3#
- 1...Sb5
- 2.Rd5#
- 1...Sa6
- 2.Rd5#
- 1...Se6
- 2.Rd5#
- 1...Sa8
- 2.Rd5#
- 1...Se8
- 2.Rd5#
- 1...c2
- 2.Bb2#
- 1...h4
- 2.Sg4#
- 1...cxd2
- 1.Bc1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- B(c);OGATE::P(B)
- S(a);N_GUARD::S(D)
- S(a);N_GUARD::S(D),XS(a)
- S(f);N_GUARD::R1(H)
- S(f);N_GUARD::R1(H),XS(f)
- P(b);OGATEB,XP(B)::B(E)
- P(b);OGATEB::B(E)
- P(e);N_GUARD::S(D)
- Tries
- Try
- K(C);S_FLIGHT
- Vars
- S(a);CHECK,N_GUARD::S(D),XS(a)
- P(b);OGATEB,XP(B)::B(E)
- S(f);N_GUARD::R1(H),XS(f)
- B(c);OGATE::P(B)
- S(a);N_GUARD::S(D)
- S(f);N_GUARD::R1(H)
- P(b);OGATEB::B(E)
- P(e);N_GUARD::S(D)
- Refutation
- B(c);
- Try
- K(C);S_FLIGHT
- Vars
- P(b);OGATEB,XP(B)::B(E)
- S(f);N_GUARD::R1(H),XS(f)
- B(c);OGATE::P(B)
- S(a);N_GUARD::S(D)
- S(a);N_GUARD::S(D),XS(a)
- S(f);N_GUARD::R1(H)
- P(b);OGATEB::B(E)
- Refutation
- P(e);CHECK
- Try
- S(F);CHECK
- Vars
- K(d);P-FLIGHT::R1(H)
- Refutation
- S(a);XS(F)
- Try
- B(A);
- Vars
- P(b);OGATEB,XP(B)::B(E)
- S(f);N_GUARD::R1(H),XS(f)
- B(c);OGATE::P(B)
- S(a);N_GUARD::S(D)
- S(a);N_GUARD::S(D),XS(a)
- S(f);N_GUARD::R1(H)
- P(b);OGATEB::B(E)
- P(e);N_GUARD::S(D)
- Refutation
- B(c);
- Try
- B(A);
- Vars
- B(c);OGATE,XB(A)::P(B)
- P(b);OGATEB,XP(B)::B(E)
- S(f);N_GUARD::R1(H),XS(f)
- B(c);OGATE::P(B)
- S(a);N_GUARD::S(D)
- S(a);N_GUARD::S(D),XS(a)
- S(f);N_GUARD::R1(H)
- P(b);OGATEB::B(E)
- P(e);N_GUARD::S(D)
- Refutation
- B(c);
- Try
- B(A);
- Vars
- P(b);OGATEB,XP(B)::B(E)
- B(c);N_GUARD::R1(G),XB(c)
- S(f);N_GUARD::R1(H),XS(f)
- B(c);OGATE::P(B)
- S(a);N_GUARD::S(D)
- S(a);N_GUARD::S(D),XS(a)
- S(f);N_GUARD::R1(H)
- P(b);OGATEB::B(E)
- P(e);N_GUARD::S(D)
- Refutation
- S(f);XB(A)
- Try
- B(E);
- Threat
- B(E),XP(b)
- Vars
- P(b);XP(B)::B(E)
- S(f);N_GUARD::R1(H),XS(f)
- S(a);N_GUARD::S(D)
- S(a);N_GUARD::S(D),XS(a)
- S(f);N_GUARD::R1(H)
- P(b);::B(E)
- Refutation
- B(c);
- Try
- B(E);
- Threat
- B(E)
- Vars
- S(a);N_GUARD::S(D)
- S(a);N_GUARD::S(D),XS(a)
- S(f);N_GUARD::R1(H),XS(f)
- S(f);N_GUARD::R1(H)
- Refutation
- B(c);
- Try
- B(E);
- Threat
- B(E)
- Vars
- S(f);N_GUARD::R1(H),XS(f)
- S(f);N_GUARD::R1(H)
- Refutation
- B(c);
- Try
- R(G);
- Vars
- P(b);OGATEB,XP(B)::B(E)
- S(f);N_GUARD::R1(H),XS(f)
- B(c);OGATE::P(B)
- S(a);N_GUARD::S(D)
- S(a);N_GUARD::S(D),XS(a)
- S(f);N_GUARD::R1(H)
- P(b);OGATEB::B(E)
- P(e);N_GUARD::S(D)
- Refutation
- B(c);
- Try
- R(H);XB(c)
- Threat
- B(E)
- Vars
- S(f);N_GUARD::R1(H)
- S(f);N_GUARD::R1(H),XS(f)
- Refutation
- S(a);CHECK,XR(H)
- Try
- R(H);
- Vars
- P(b);OGATEB,XP(B)::B(E)
- S(f);N_GUARD::R1(H),XS(f)
- B(c);OGATE::P(B)
- S(a);N_GUARD::S(D)
- S(a);N_GUARD::S(D),XS(a)
- S(f);N_GUARD::R1(H)
- P(b);OGATEB::B(E)
- P(e);N_GUARD::S(D)
- Refutation
- B(c);
- Try
- P(B);XP(b)
- Threat
- B(E)
- Refutation
- B(c);
- Try
- Actual
- B(E);
- Vars
- P(b);OGATEB,XP(B)::B(E)
- B(c);OGATE::P(B)
- S(f);N_GUARD::R1(H),XS(f)
- S(a);N_GUARD::S(D)
- S(a);N_GUARD::S(D),XS(a)
- S(f);N_GUARD::R1(H)
- P(b);OGATEB::B(E)
- P(e);N_GUARD::S(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).