MESON Chess Problem Database
Problem Display
PID: 213216 (k7/4R3/3B1p2/3P1r2/2P2P1b/5b1Q/1KP3n1/5nR1 w - - 0 1)
Niemeijer, Meindert
Land og Folk, 1967
#2
9 + 7
| 15148 | Sadier Collection | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Rxf4
- 2.Qc8#
- 1...Rxd5
- 2.Qc8#
- 1...Re5
- 2.Qc8#
- 1...Rg5
- 2.Qc8#
- 1...Rh5
- 2.Qc8#
- 1...Bd1
- 2.Qa3#
- 1...Be2
- 2.Qa3#
- 1...Be4
- 2.Qa3#
- 1...Bg4
- 2.Qa3#
- 1...Bxd5
- 2.Qa3#
- 1...Bh5
- 2.Qa3#
- 1...Be1
- 2.Qh8#
- 1...Bf2
- 2.Qh8#
- 1...Bg3
- 2.Qh8#
- 1...Bg5
- 2.Qh8#
- 1...Sd2
- 2.Ra1#
- 1...Sh2
- 2.Ra1#
- 1...Sfe3
- 2.Ra1#
- 1...Sg3
- 2.Ra1#
- 1...Se1
- 2.Rg8#
- 1...Sge3
- 2.Rg8#
- 1...Sxf4
- 2.Rg8#
- 1...Rxf4
- Tries
- 1.Be5?
- 1...Rxf4
- 2.Qc8#
- 1...Rxe5
- 2.Qc8#
- 1...Bxd5
- 2.Qa3#
- 1...Sxf4
- 2.Rg8#
- 1...Sh2
- 2.Ra1#
- 1...Rg5
- 2.Qc8#
- 1...Rh5
- 2.Qc8#
- 1...Bd1
- 2.Qa3#
- 1...Be2
- 2.Qa3#
- 1...Be4
- 2.Qa3#
- 1...Bg4
- 2.Qa3#
- 1...Bh5
- 2.Qa3#
- 1...Be1
- 2.Qh8#
- 1...Bf2
- 2.Qh8#
- 1...Bg3
- 2.Qh8#
- 1...Bg5
- 2.Qh8#
- 1...Sd2
- 2.Ra1#
- 1...Sfe3
- 2.Ra1#
- 1...Sg3
- 2.Ra1#
- 1...Se1
- 2.Rg8#
- 1...Sge3
- 2.Rg8#
- 1...fxe5!
- 1...Rxf4
- 1.Rxf1?
- threat
- 2.Ra1#
- 1...Rxd5
- 2.Qc8#
- 1...Bd1
- 2.Qa3#
- 1...Be1
- 2.Qh8#
- 1...Bf2
- 2.Qh8#
- 1...Se1!
- threat
- 1.Rxg2?
- threat
- 2.Rg8#
- 1...Bxg2
- 2.Qa3#
- 1...Bxd5
- 2.Qa3#
- 1...Rg5
- 2.Qc8#
- 1...Bg4
- 2.Qa3#
- 1...Bh5
- 2.Qa3#
- 1...Bg3
- 2.Qh8#
- 1...Bg5
- 2.Qh8#
- 1...Sg3!
- threat
- 1.c5?
- 1...Rxf4
- 2.Qc8#
- 1...Rxd5
- 2.Qc8#
- 1...Bxd5
- 2.Qa3#
- 1...Sxf4
- 2.Rg8#
- 1...Sh2
- 2.Ra1#
- 1...Re5
- 2.Qc8#
- 1...Rg5
- 2.Qc8#
- 1...Rh5
- 2.Qc8#
- 1...Bd1
- 2.Qa3#
- 1...Be4
- 2.Qa3#
- 1...Bg4
- 2.Qa3#
- 1...Bh5
- 2.Qa3#
- 1...Be1
- 2.Qh8#
- 1...Bf2
- 2.Qh8#
- 1...Bg3
- 2.Qh8#
- 1...Bg5
- 2.Qh8#
- 1...Sd2
- 2.Ra1#
- 1...Sfe3
- 2.Ra1#
- 1...Sg3
- 2.Ra1#
- 1...Se1
- 2.Rg8#
- 1...Sge3
- 2.Rg8#
- 1...Be2!
- 1...Rxf4
- 1.Be5?
- Keys
- 1.Rf7!
- 1...Rxf4
- 2.Qc8#
- 1...Rxd5
- 2.Qc8#
- 1...Bxd5
- 2.Qa3#
- 1...Sxf4
- 2.Rg8#
- 1...Sh2
- 2.Ra1#
- 1...Re5
- 2.Qc8#
- 1...Rg5
- 2.Qc8#
- 1...Rh5
- 2.Qc8#
- 1...Bd1
- 2.Qa3#
- 1...Be2
- 2.Qa3#
- 1...Be4
- 2.Qa3#
- 1...Bg4
- 2.Qa3#
- 1...Bh5
- 2.Qa3#
- 1...Be1
- 2.Qh8#
- 1...Bf2
- 2.Qh8#
- 1...Bg3
- 2.Qh8#
- 1...Bg5
- 2.Qh8#
- 1...Sd2
- 2.Ra1#
- 1...Sfe3
- 2.Ra1#
- 1...Sg3
- 2.Ra1#
- 1...Se1
- 2.Rg8#
- 1...Sge3
- 2.Rg8#
- 1...Rxf4
- 1.Rf7!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- R(e);OGATE,XP(F)::QAR2(D)
- R(e);OGATE,XP(G)::QAR2(D)
- R(e);OGATE::QAR2(D)
- B(c);OGATE::QAR(D)
- B(c);OGATE,XP(G)::QAR(D)
- B(d);OGATE::QAB1(D)
- S(a);OGATE::R(A)
- S(b);OGATE::R(A)
- S(b);OGATE,XP(F)::R(A)
- Tries
- Try
- B(H);
- Vars
- R(e);OGATE,XP(F)::QAR2(D)
- R(e);OGATE,XB(H)::QAR2(D)
- B(c);OGATE,XP(G)::QAR(D)
- S(b);OGATE,XP(F)::R(A)
- S(a);OGATE::R(A)
- R(e);OGATE::QAR2(D)
- B(c);OGATE::QAR(D)
- B(d);OGATE::QAB1(D)
- S(b);OGATE::R(A)
- Refutation
- P(f);XB(H)
- Try
- R(A);XS(a)
- Threat
- R(A)
- Vars
- R(e);OGATE,XP(G)::QAR2(D)
- B(c);OGATE::QAR(D)
- B(d);OGATE::QAB1(D)
- Refutation
- S(b);
- Try
- R(A);XS(b)
- Threat
- R(A)
- Vars
- B(c);OGATE,XR(A)::QAR(D)
- B(c);OGATE,XP(G)::QAR(D)
- R(e);OGATE::QAR2(D)
- B(c);OGATE::QAR(D)
- B(d);OGATE::QAB1(D)
- Refutation
- S(a);
- Try
- P(E);
- Vars
- R(e);OGATE,XP(F)::QAR2(D)
- R(e);OGATE,XP(G)::QAR2(D)
- B(c);OGATE,XP(G)::QAR(D)
- S(b);OGATE,XP(F)::R(A)
- S(a);OGATE::R(A)
- R(e);OGATE::QAR2(D)
- B(c);OGATE::QAR(D)
- B(d);OGATE::QAB1(D)
- S(b);OGATE::R(A)
- Refutation
- B(c);
- Try
- Actual
- R(I);
- Vars
- R(e);OGATE,XP(F)::QAR2(D)
- R(e);OGATE,XP(G)::QAR2(D)
- B(c);OGATE,XP(G)::QAR(D)
- S(b);OGATE,XP(F)::R(A)
- S(a);OGATE::R(A)
- R(e);OGATE::QAR2(D)
- B(c);OGATE::QAR(D)
- B(d);OGATE::QAB1(D)
- S(b);OGATE::R(A)
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).