MESON Chess Problem Database
Problem Display
PID: 194999 (8/5pNQ/N1p3np/1nPkb2R/1R2p3/1b2P1p1/pP1P1pP1/K4B2 w - - 0 1)
Feenstra Kuiper, Pieter
1st Prize, Tijdschrift vd NSB, 1918
#2
12 + 12
| 6490 | yacpdb | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Bd1
- 2.Bc4#
- 1...Bc2
- 2.Bc4#
- 1...Ba4
- 2.Bc4#
- 1...Bc4
- 2.Bxc4#
- 1...Sa3
- 2.Rd4#
- 1...Sc3
- 2.Rd4#
- 1...Sd4
- 2.Rxd4#
- 1...Sd6
- 2.Rd4#
- 1...Sa7
- 2.Rd4#
- 1...Sc7
- 2.Rd4#
- 1...Sf4
- 2.Qxe4#
- 1...Sh4
- 2.Qxe4#
- 1...Se7
- 2.Qxe4#
- 1...Sf8
- 2.Qxe4#
- 1...Sh8
- 2.Qxe4#
- 1...f5
- 2.Qg8#
- 1...f6
- 2.Qg8#
- 1...Bd1
- Tries
- 1.Ra4?
- 1...Bd1
- 2.Bc4#
- 1...Bc2
- 2.Bc4#
- 1...Bc4
- 2.Bxc4#
- 1...Sa3
- 2.Rd4#
- 1...Sc3
- 2.Rd4#
- 1...Sd4
- 2.Rxd4#
- 1...Sd6
- 2.Rd4#
- 1...Sa7
- 2.Rd4#
- 1...Sc7
- 2.Rd4#
- 1...Sf4
- 2.Qxe4#
- 1...Sh4
- 2.Qxe4#
- 1...Se7
- 2.Qxe4#
- 1...Sf8
- 2.Qxe4#
- 1...Sh8
- 2.Qxe4#
- 1...f5
- 2.Qg8#
- 1...f6
- 2.Qg8#
- 1...Bxa4!
- 1...Bd1
- 1.Rxb5?
- threat
- 2.Sb4#
- 2.Sc7#
- 1...f5
- 2.Sb4#
- 2.Qg8#
- 1...cxb5!
- threat
- 1.Rxe5+?
- 1...Sxe5
- 2.Qxe4#
- 1...Kxe5!
- 1...Sxe5
- 1.Qxg6?
- threat
- 2.Qxe4#
- 2.Qxf7#
- 1...Bc2
- 2.Bc4#
- 2.Qxf7#
- 1...Bc4
- 2.Bxc4#
- 2.Qxf7#
- 1...Sc3
- 2.Rd4#
- 2.Qxf7#
- 2.Qd6#
- 1...Sd4
- 2.Rxd4#
- 2.Qd6#
- 1...Sd6
- 2.Rd4#
- 2.Qxd6#
- 1...Sc7
- 2.Rd4#
- 2.Qxe4#
- 2.Qd6#
- 1...f5
- 2.Qf7#
- 2.Qe6#
- 1...f6
- 2.Qxe4#
- 2.Qf7#
- 1...fxg6!
- threat
- 1.d3?
- threat
- 2.dxe4#
- 1...exd3
- 2.e4#
- 1...Bc4
- 2.dxc4#
- 1...Sc3
- 2.Rd4#
- 1...Sd4
- 2.Rxd4#
- 1...Sd6
- 2.Rd4#
- 1...f5
- 2.Qg8#
- 1...Bc2!
- threat
- 1.Ra4?
- Keys
- 1.d4!
- 1...Sxd4
- 2.Rxd4#
- 1...exd4 ep
- 2.e4#
- 1...Sf4
- 2.Rxe5#
- 1...Bd1
- 2.Bc4#
- 1...Bc2
- 2.Bc4#
- 1...Ba4
- 2.Bc4#
- 1...Bc4
- 2.Bxc4#
- 1...Sa3
- 2.Sc7#
- 1...Sc3
- 2.Sc7#
- 1...Sd6
- 2.Sc7#
- 1...Sa7
- 2.Sc7#
- 1...Sc7
- 2.Sxc7#
- 1...Sh4
- 2.Rxe5#
- 1...Se7
- 2.Rxe5#
- 1...Sf8
- 2.Rxe5#
- 1...Sh8
- 2.Rxe5#
- 1...f5
- 2.Qg8#
- 1...f6
- 2.Qg8#
- 1...Sxd4
- 1.d4!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 10
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- B(c);N_GUARD::B(B)
- B(c);N_GUARD::B(B),XB(c)
- S(f);N_GUARD::R1(G)
- S(f);N_GUARD,N_PINP(C)::R1(G)
- S(f);N_GUARD,N_PINP(C)::R1(G),XS(f)
- S(j);OGATE::QAB1(L),XP(e)
- P(l);N_SPINB(h),OGATEB::QAB(L)
- P(l);OGATEB::QAB(L)
- Tries
- Try
- R(G);
- Vars
- B(c);N_GUARD::B(B)
- B(c);N_GUARD::B(B),XB(c)
- S(f);N_GUARD::R1(G)
- S(f);N_GUARD,N_PINP(C)::R1(G)
- S(f);N_GUARD,N_PINP(C)::R1(G),XS(f)
- S(j);OGATE::QAB1(L),XP(e)
- P(l);N_SPINB(h),OGATEB::QAB(L)
- P(l);OGATEB::QAB(L)
- Refutation
- B(c);XR(G)
- Try
- R(G);XS(f)
- Threat
- DUALS(2)
- Refutation
- P(i);XR(G)
- Try
- R(I);CHECK,N_SPINP(C),XB(h)
- Vars
- S(j);OGATE,XR(I)::QAB1(L),XP(e)
- Refutation
- K(g);P-FLIGHT,XR(I)
- Try
- Q(L);XS(j)
- Threat
- DUALS(2)
- Refutation
- P(l);XQ(L)
- Try
- P(D);
- Threat
- P(D),XP(e)
- Vars
- P(e);OGATE,XP(D)::P(F)
- B(c);OGATE::P(D),XB(c)
- S(f);N_GUARD,N_PINP(C)::R1(G)
- S(f);N_GUARD,N_PINP(C)::R1(G),XS(f)
- S(f);N_GUARD::R1(G)
- P(l);N_SPINB(h),OGATEB::QAB(L)
- Refutation
- B(c);
- Try
- Actual
- P(D);N_SPINP(C)
- Vars
- S(f);OGATE,XP(D)::R1(G),XS(f)
- P(e);EP,OGATE,P_PINP(C),XP(D)::P(F)
- S(j);N_GUARD::R1(I),XB(h)
- B(c);N_GUARD::B(B)
- B(c);N_GUARD::B(B),XB(c)
- S(f);N_GUARD::S(J)
- S(f);N_GUARD::S(J),XS(f)
- P(l);N_SPINB(h),OGATEB::QAB(L)
- P(l);OGATEB::QAB(L)
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).