MESON Chess Problem Database
Problem Display
PID: 18928 (K2N4/RP1n1P2/1r1b3r/1P1B1R1b/3k3P/BppPp1P1/3NP2Q/3q4 w - - 0 1)
Nowotny, Franz
Probleemblad, 1959
#2
15 + 10
| 14730 | Problempalette II (Chlubna/Wenda) | 1991 |
SOLUTION
- SOUND
- Sets
- 1...Qa1
- 2.Sxb3#
- 1...Qc1
- 2.Sxb3#
- 1...Qe1
- 2.Sxb3#
- 1...Qf1
- 2.Sxb3#
- 1...Qg1
- 2.Sxb3#
- 1...Qh1
- 2.Sxb3#
- 1...Rxb5
- 2.Sc6#
- 1...Rc6
- 2.Sxc6#
- 1...Rxb7
- 2.Sc6#
- 1...Re6
- 2.Sxe6#
- 1...Rh7
- 2.Se6#
- 1...Bf3
- 2.Sxf3#
- 1...Bg6
- 2.Sf3#
- 2.Se6#
- 1...Bxf7
- 2.Sf3#
- 1...Bxg3
- 2.Ra4#
- 1...Bf4
- 2.Ra4#
- 1...Bc7
- 2.Ra4#
- 1...Bb8
- 2.Ra4#
- 1...Sf6
- 2.Se6#
- 1...exd2
- 2.Qf2#
- 1...Qa1
- Tries
- 1.Bg2?
- threat
- 2.Rd5#
- 1...Rxb5
- 2.Sc6#
- 1...Bxf7
- 2.Sf3#
- 1...cxd2
- 2.Bb2#
- 1...c2
- 2.Bb2#
- 1...Bf3
- 2.Sxf3#
- 1...Be5
- 2.Ra4#
- 1...Se5
- 2.Rf4#
- 1...Sf6
- 2.Se6#
- 1...exd2!
- threat
- 1.Bxb3?
- threat
- 2.Rd5#
- 1...Qxb3
- 2.Sxb3#
- 1...Rxb5
- 2.Sc6#
- 1...Bxf7
- 2.Sf3#
- 1...cxd2
- 2.Bb2#
- 1...exd2
- 2.Qf2#
- 1...c2
- 2.Bb2#
- 1...Bf3
- 2.Sxf3#
- 1...Be5
- 2.Ra4#
- 1...Se5
- 2.Rf4#
- 1...Sf6
- 2.Se6#
- 1...Qh1!
- threat
- 1.Bf3?
- threat
- 2.Rd5#
- 1...Rxb5
- 2.Sc6#
- 1...Bxf3
- 2.Sxf3#
- 1...cxd2
- 2.Bb2#
- 1...exd2
- 2.Qf2#
- 1...c2
- 2.Bb2#
- 1...Be5
- 2.Ra4#
- 1...Se5
- 2.Rf4#
- 1...Sf6
- 2.Se6#
- 1...Bxf7!
- threat
- 1.Bc4?
- threat
- 2.Rd5#
- 1...Rxb5
- 2.Sc6#
- 1...Bxf7
- 2.Sf3#
- 1...cxd2
- 2.Bb2#
- 1...exd2
- 2.Qf2#
- 1...c2
- 2.Bb2#
- 1...Qh1
- 2.Sxb3#
- 1...Bf3
- 2.Sxf3#
- 1...Se5
- 2.Rf4#
- 1...Sf6
- 2.Se6#
- 1...Be5!
- threat
- 1.Be4?
- threat
- 2.Rd5#
- 1...Rxb5
- 2.Sc6#
- 1...Bxf7
- 2.Sf3#
- 1...cxd2
- 2.Bb2#
- 1...exd2
- 2.Qf2#
- 1...c2
- 2.Bb2#
- 1...Be5
- 2.Ra4#
- 1...Sf6
- 2.Se6#
- 1...Se5!
- threat
- 1.Bc6?
- threat
- 2.Rd5#
- 1...Rxc6
- 2.Sxc6#
- 1...Bxf7
- 2.Sf3#
- 1...cxd2
- 2.Bb2#
- 1...exd2
- 2.Qf2#
- 1...c2
- 2.Bb2#
- 1...Qh1
- 2.Sxb3#
- 1...Bf3
- 2.Sxf3#
- 1...Be5
- 2.Ra4#
- 1...Se5
- 2.Rf4#
- 1...Sf6
- 2.Se6#
- 1...Rxb5!
- threat
- 1.Be6?
- threat
- 2.Rd5#
- 1...Rxb5
- 2.Sc6#
- 1...Rxe6
- 2.Sxe6#
- 1...cxd2
- 2.Bb2#
- 1...exd2
- 2.Qf2#
- 1...c2
- 2.Bb2#
- 1...Qh1
- 2.Sxb3#
- 1...Bf3
- 2.Sxf3#
- 1...Be5
- 2.Ra4#
- 1...Se5
- 2.Rf4#
- 1...Sf6!
- threat
- 1.Bg2?
- Keys
- 1.Bh1!
- threat
- 2.Rd5#
- 1...Qxh1
- 2.Sxb3#
- 1...Rxb5
- 2.Sc6#
- 1...Bxf7
- 2.Sf3#
- 1...cxd2
- 2.Bb2#
- 1...exd2
- 2.Qf2#
- 1...c2
- 2.Bb2#
- 1...Bf3
- 2.Sxf3#
- 1...Be5
- 2.Ra4#
- 1...Se5
- 2.Rf4#
- 1...Sf6
- 2.Se6#
- threat
- 1.Bh1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 13
- Sets
- Q(a);N_GUARD::S(A),XP(b)
- R(g);N_GUARD,XP(H)::S(O)
- R(g);N_GUARD::S(O),XR(g)
- R(g);N_GUARD,XP(L)::S(O)
- R(i);N_GUARD::S(O),XR(i)
- R(i);N_GUARD::S(O)
- B(f);N_GUARD::S(A),XB(f)
- B(f);N_GUARD,XP(M)::S(A)
- B(h);N_GUARD,XP(F)::R(K)
- B(h);N_GUARD::R(K)
- S(j);S_CUTR(i)::S(O)
- P(d);OGATEB,XS(A)::QAB(C)
- Tries
- Try
- B(I);
- Threat
- R1(J)
- Vars
- R(g);N_GUARD,XP(H)::S(O)
- B(f);N_GUARD,XP(M)::S(A)
- P(c);OGATEB,XS(A)::B(D)
- P(c);OGATEB::B(D)
- B(f);N_GUARD,P_PINP(L)::S(A),XB(f)
- B(h);N_GUARD::R(K)
- S(j);SBLOCK,S_CUTB(h)::R(J)
- S(j);S_CUTR(i)::S(O)
- Refutation
- P(d);XS(A)
- Try
- B(I);XP(b)
- Threat
- R1(J)
- Vars
- Q(a);XB(I)::S(A),XQ(a)
- R(g);N_GUARD,XP(H)::S(O)
- B(f);N_GUARD,XP(M)::S(A)
- P(c);OGATEB,XS(A)::B(D)
- P(d);OGATEB,XS(A)::QAB(C)
- P(c);OGATEB::B(D)
- B(f);N_GUARD,P_PINP(L)::S(A),XB(f)
- B(h);N_GUARD::R(K)
- S(j);SBLOCK,S_CUTB(h)::R(J)
- S(j);S_CUTR(i)::S(O)
- Refutation
- Q(a);P_PINP(L)
- Try
- B(I);
- Threat
- R1(J)
- Vars
- R(g);N_GUARD,XP(H)::S(O)
- B(f);P_PINP(L),XB(I)::S(A),XB(f)
- P(c);OGATEB,XS(A)::B(D)
- P(d);OGATEB,XS(A)::QAB(C)
- P(c);OGATEB::B(D)
- B(h);N_GUARD::R(K)
- S(j);SBLOCK,S_CUTB(h)::R(J)
- S(j);S_CUTR(i)::S(O)
- Refutation
- B(f);XP(M)
- Try
- B(I);
- Threat
- R1(J)
- Vars
- R(g);N_GUARD,XP(H)::S(O)
- B(f);N_GUARD,XP(M)::S(A)
- P(c);OGATEB,XS(A)::B(D)
- P(d);OGATEB,XS(A)::QAB(C)
- P(c);OGATEB::B(D)
- Q(a);N_GUARD,P_PINP(L)::S(A),XP(b)
- B(f);N_GUARD,P_PINP(L)::S(A),XB(f)
- S(j);SBLOCK,S_CUTB(h)::R(J)
- S(j);S_CUTR(i)::S(O)
- Refutation
- B(h);
- Try
- B(I);
- Threat
- R1(J)
- Vars
- R(g);N_GUARD,XP(H)::S(O)
- B(f);N_GUARD,XP(M)::S(A)
- P(c);OGATEB,XS(A)::B(D)
- P(d);OGATEB,XS(A)::QAB(C)
- P(c);OGATEB::B(D)
- B(h);N_GUARD::R(K)
- S(j);S_CUTR(i)::S(O)
- Refutation
- S(j);
- Try
- B(I);
- Threat
- R1(J)
- Vars
- R(g);XB(I)::S(O),XR(g)
- B(f);N_GUARD,XP(M)::S(A)
- P(c);OGATEB,XS(A)::B(D)
- P(d);OGATEB,XS(A)::QAB(C)
- P(c);OGATEB::B(D)
- Q(a);N_GUARD::S(A),XP(b)
- B(f);N_GUARD::S(A),XB(f)
- B(h);N_GUARD::R(K)
- S(j);SBLOCK,S_CUTB(h)::R(J)
- S(j);S_CUTR(i)::S(O)
- Refutation
- R(g);XP(H)
- Try
- B(I);
- Threat
- R1(J)
- Vars
- R(g);N_GUARD,XP(H)::S(O)
- R(i);XB(I)::S(O),XR(i)
- P(c);OGATEB,XS(A)::B(D)
- P(d);OGATEB,XS(A)::QAB(C)
- P(c);OGATEB::B(D)
- Q(a);N_GUARD,P_PINP(L)::S(A),XP(b)
- B(f);N_GUARD,P_PINP(L)::S(A),XB(f)
- B(h);N_GUARD::R(K)
- S(j);SBLOCK,S_CUTB(h)::R(J)
- Refutation
- S(j);
- Try
- Actual
- B(I);
- Threat
- R1(J)
- Vars
- Q(a);N_GUARD,P_PINP(L),XB(I)::S(A),XP(b)
- R(g);N_GUARD,XP(H)::S(O)
- B(f);N_GUARD,XP(M)::S(A)
- P(c);OGATEB,XS(A)::B(D)
- P(d);OGATEB,XS(A)::QAB(C)
- P(c);OGATEB::B(D)
- B(f);N_GUARD,P_PINP(L)::S(A),XB(f)
- B(h);N_GUARD::R(K)
- S(j);SBLOCK,S_CUTB(h)::R(J)
- S(j);S_CUTR(i)::S(O)
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).