MESON Chess Problem Database
Problem Display
PID: 101113 (2B2K1b/2P2P1p/2N2k1B/2p1r2P/3r4/5P2/1Q6/5RR1 w - - 0 1)
Millins, Edward
Good Companions (August), 1921
#2
11 + 6
| 3391 | Het Half Pin Thema | 1924 |
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rd1
- 2.Bg5#
- 2.Qxe5#
- 1...Rd2
- 2.Bg5#
- 2.Qxe5#
- 1...Rd3
- 2.Bg5#
- 2.Qxe5#
- 1...Ra4
- 2.Bg5#
- 2.Qxe5#
- 1...Rb4
- 2.Bg5#
- 2.Qxe5#
- 1...Rc4
- 2.Bg5#
- 2.Qxe5#
- 1...Rde4
- 2.Bg5#
- 2.fxe4#
- 1...Rf4
- 2.Bg5#
- 2.Qxe5#
- 1...Rg4
- 2.Qxe5#
- 2.fxg4#
- 1...Rh4
- 2.Bg5#
- 2.Qxe5#
- 1...Rdd5
- 2.Bg5#
- 1...Rd6
- 2.Bg5#
- 2.Qxe5#
- 1...Rd7
- 2.Qxe5#
- 1...Rd8+
- 2.cxd8Q#
- 2.cxd8B#
- 1...Re1
- 2.Bg5#
- 1...Re2
- 2.Bg5#
- 1...Re3
- 2.Bg5#
- 1...Ree4
- 2.Bg5#
- 2.fxe4#
- 1...Rg5
- 2.Bxg5#
- 1...Re7
- 2.Bg5#
- 1...Re8+
- 2.fxe8S#
- 1...Bg7+
- 2.Bxg7#
- 1...Rd1
- Tries
- 1.Qxd4?
- threat
- 2.Bg5#
- 2.Qxe5#
- 1...Bg7+
- 2.Bxg7#
- 1...cxd4!
- threat
- 1.Qxd4?
- Keys
- 1.Kg8!
- threat
- 2.f8Q#
- 2.f8R#
- 1...Rg4+
- 2.fxg4#
- 1...Rd8+
- 2.cxd8Q#
- 2.cxd8B#
- 1...Rg5+
- 2.Bxg5#
- 1...Re8+
- 2.fxe8S#
- 1...Rxh5
- 2.f8Q#
- 2.f8R#
- 1...Rd7
- 2.Qxe5#
- 1...Re6
- 2.f8Q#
- 2.f8R#
- 1...Rd1
- 2.Bg5#
- 2.Qxe5#
- 2.f8Q#
- 2.f8R#
- 1...Rd2
- 2.Bg5#
- 2.Qxe5#
- 2.f8Q#
- 2.f8R#
- 1...Rd3
- 2.Bg5#
- 2.Qxe5#
- 2.f8Q#
- 2.f8R#
- 1...Ra4
- 2.Bg5#
- 2.Qxe5#
- 2.f8Q#
- 2.f8R#
- 1...Rb4
- 2.Bg5#
- 2.Qxe5#
- 2.f8Q#
- 2.f8R#
- 1...Rc4
- 2.Bg5#
- 2.Qxe5#
- 2.f8Q#
- 2.f8R#
- 1...Rde4
- 2.Bg5#
- 2.fxe4#
- 2.f8Q#
- 2.f8R#
- 1...Rf4
- 2.Bg5#
- 2.Qxe5#
- 2.f8Q#
- 2.f8R#
- 1...Rh4
- 2.Bg5#
- 2.Qxe5#
- 2.f8Q#
- 2.f8R#
- 1...Rdd5
- 2.Bg5#
- 2.f8Q#
- 2.f8R#
- 1...Rd6
- 2.Bg5#
- 2.Qxe5#
- 2.f8Q#
- 2.f8R#
- 1...Re1
- 2.Bg5#
- 2.f8Q#
- 2.f8R#
- 1...Re2
- 2.Bg5#
- 2.f8Q#
- 2.f8R#
- 1...Re3
- 2.Bg5#
- 2.f8Q#
- 2.f8R#
- 1...Ree4
- 2.Bg5#
- 2.fxe4#
- 2.f8Q#
- 2.f8R#
- 1...Red5
- 2.f8Q#
- 2.f8R#
- 1...Rf5
- 2.f8Q#
- 2.f8R#
- 1...Re7
- 2.Bg5#
- 1...Bg7
- 2.Bxg7#
- 1...c4
- 2.f8Q#
- 2.f8R#
- threat
- 1.Kg8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 4
- Sets
- R(a);P_SPINR(c)::B(G)
- R(a);OGATE,P_SPINR(c)::QAB1(C),XR(c)
- R(a);CHECK,OGATE,P_SPINR(c)::PXR(a)=Q
- R(c);N_GUARD,P_SPINR(a)::B(G)
- R(c);N_GUARD,P_SPINR(a)::B(G),XR(c)
- R(c);CHECK,OGATE,P_SPINR(a)::PXR(c)=S
- B(f);CHECK,N_GUARD::B(G),XB(f)
- Tries
- Try
- Q(C);P_PINR(c),XR(a)
- Threat
- DUALS(2)
- Vars
- B(f);CHECK,N_GUARD::B(G),XB(f)
- Refutation
- P(b);N_SPINR(c),XQ(C)
- Try
- Actual
- K(K);P-FLIGHT
- Threat
- P=Q
- Vars
- R(a);CHECK,OGATE,P_SPINR(c)::R(A)+P(D),XR(a)
- R(a);CHECK,OGATE,P_SPINR(c)::PXR(a)=Q
- R(c);CHECK,N_GUARD,P_SPINR(a)::B(G),XR(c)
- R(c);CHECK,OGATE,P_SPINR(a)::PXR(c)=S
- R(c);P_SPINR(a),XP(E)::P=Q
- R(a);OGATE,P_SPINR(c)::QAB1(C),XR(c)
- R(c);P_SPINR(a)::P=Q
- R(c);N_GUARD,P_SPINR(a)::B(G)
- B(f);N_GUARD::B(G),XB(f)
- P(b);::P=Q
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).