MESON Chess Problem Database
Problem Display
PID: 60626 (q5N1/3bR3/1nr4p/bQ1Pp3/3pk1B1/r2p1R2/4P2K/BN6 w - - 0 1)
Ahues, Herbert Siegfried Oskar
1st Prize, Magyar Sakkelet, 1969
#2
10 + 11
| 3751 | FIDE Album (1968-1970) | 1977 |
SOLUTION
- SOUND
- Sets
- 1...Rxa1
- 2.exd3#
- 1...Rac3
- 2.Sd2#
- 1...Ra4
- 2.exd3#
- 1...Rc1
- 2.Sf6#
- 1...Rc2
- 2.Sf6#
- 1...Rcc3
- 2.Sd2#
- 2.Sf6#
- 1...Rc4
- 2.Sf6#
- 1...Rc5
- 2.Sf6#
- 1...Re6
- 2.Bf5#
- 1...Rf6
- 2.Sxf6#
- 1...Rc7
- 2.Sf6#
- 1...Rc8
- 2.Sf6#
- 1...Bd2
- 2.Sxd2#
- 1...Bc3
- 2.exd3#
- 1...Bf5
- 2.Bxf5#
- 1...Be6
- 2.Sf6#
- 1...Be8
- 2.Bf5#
- 1...Rxa1
- Tries
- 1.Sc3+?
- 1...Rcxc3
- 2.Sf6#
- 1...Bxc3
- 2.exd3#
- 1...dxc3
- 2.Qxd3#
- 1...Raxc3!
- 1...Rcxc3
- 1.Bc3?
- threat
- 2.Sd2#
- 2.exd3#
- 1...Raxc3
- 2.Sd2#
- 1...Rcxc3
- 2.Sd2#
- 2.Sf6#
- 1...Bxc3
- 2.exd3#
- 1...Bxg4
- 2.Sd2#
- 1...dxe2
- 2.Sd2#
- 1...dxc3
- 2.Qxd3#
- 1...Rc5
- 2.Sf6#
- 1...Sc4
- 2.exd3#
- 1...d2
- 2.Sxd2#
- 1...Ra2!
- threat
- 1.Re6?
- threat
- 2.Sf6#
- 2.Bf5#
- 1...Qxg8
- 2.Bf5#
- 1...Rxe6
- 2.Bf5#
- 1...Bxe6
- 2.Sf6#
- 1...Sxd5
- 2.Bf5#
- 1...dxe2
- 2.Sf6#
- 1...Rc5
- 2.Sf6#
- 1...Qd8
- 2.Bf5#
- 1...Qf8!
- threat
- 1.Qc4?
- threat
- 2.Qxd4#
- 1...Rxa1
- 2.exd3#
- 1...Rxc4
- 2.Sf6#
- 1...Rc3
- 2.Sd2#
- 1...Ra4
- 2.exd3#
- 1...Re6
- 2.Bf5#
- 1...Bc3
- 2.exd3#
- 1...Be6
- 2.Sf6#
- 1...Sxc4!
- threat
- 1.dxc6?
- threat
- 2.Sf6#
- 2.Rxe5#
- 2.Qxe5#
- 1...Qxc6
- 2.Rxe5#
- 2.Qxe5#
- 1...Qxg8
- 2.Rxe5#
- 2.Qxe5#
- 1...Qf8
- 2.Rxe5#
- 2.Qxe5#
- 1...Qb8
- 2.Sf6#
- 1...Qe8
- 2.Sf6#
- 2.Qxe5#
- 1...Be6
- 2.Sf6#
- 1...Sc4
- 2.Sf6#
- 1...Sd5!
- threat
- 1.d6?
- threat
- 2.Sf6#
- 2.Rxe5#
- 2.Qxe5#
- 1...Qxg8
- 2.Rxe5#
- 2.Qxe5#
- 1...Rxd6
- 2.Rxe5#
- 2.Qxe5#
- 1...Rc5
- 2.Sf6#
- 1...Qf8
- 2.Rxe5#
- 2.Qxe5#
- 1...Qe8
- 2.Sf6#
- 2.Qxe5#
- 1...Be6
- 2.Sf6#
- 1...Sc4
- 2.Sf6#
- 1...Sd5!
- threat
- 1.Sc3+?
- Keys
- 1.Qc5!
- threat
- 2.Qxd4#
- 1...Rxa1
- 2.exd3#
- 1...Rxc5
- 2.Sf6#
- 1...Rc3
- 2.Sd2#
- 1...Ra4
- 2.exd3#
- 1...Re6
- 2.Bf5#
- 1...Bc3
- 2.exd3#
- 1...Be6
- 2.Sf6#
- threat
- 1.Qc5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 9
- Sets
- R(a);N_GUARD,XB(A)::P(C),XP(b)
- R(a);S_CUTB(e)::S(B)
- R(a);N_GUARD::P(C),XP(b)
- R(h);N_GUARD::S(J)
- R(h);N_GUARD,P_PINP(C)::S(J)
- R(h);N_SPINP(f),S_CUTB(j)::B(F)
- R(h);N_GUARD::S(J),XR(h)
- B(e);N_GUARD::S(B),XB(e)
- B(e);S_CUTR(a)::P(C),XP(b)
- B(j);N_GUARD::B(F),XB(j)
- B(j);N_SPINP(f),S_CUTR(h)::S(J)
- B(j);N_GUARD::B(F)
- Tries
- Try
- S(B);CHECK
- Vars
- R(h);XS(B)::S(J)
- B(e);XS(B)::P(C),XP(b)
- P(c);XS(B)::QAB1(G),XP(b)
- Refutation
- R(a);XS(B)
- Try
- B(A);
- Threat
- DUALS(2)
- Vars
- R(a);XB(A)::S(B)
- B(e);XB(A)::P(C),XP(b)
- B(j);XB(F)::S(B)
- P(b);XP(C)::S(B)
- P(c);XB(A)::QAB1(G),XP(b)
- R(h);N_GUARD::S(J)
- S(g);::P(C),XP(b)
- P(b);::S(B),XP(b)
- Refutation
- R(a);P_PINP(C)
- Try
- R(I);
- Threat
- DUALS(2)
- Vars
- Q(k);XS(J)::B(F)
- R(h);N_SPINP(f),XR(I)::B(F)
- B(j);N_SPINP(f),XR(I)::S(J)
- S(g);XP(H)::B(F)
- P(b);XP(C)::S(J)
- R(h);::S(J)
- Q(k);::B(F)
- Refutation
- Q(k);
- Try
- Q(G);N_PINP(f),P_PINP(c)
- Threat
- QAR1(G),XP(c)
- Vars
- R(a);N_GUARD,XB(A)::P(C),XP(b)
- R(h);N_GUARD,N_SPINP(c),P_SPINP(f),XQ(G)::S(J)
- R(a);S_CUTB(e)::S(B)
- R(a);N_GUARD::P(C),XP(b)
- R(h);S_CUTB(j)::B(F)
- B(e);S_CUTR(a)::P(C),XP(b)
- B(j);S_CUTR(h)::S(J)
- Refutation
- S(g);N_SPINP(c),P_SPINP(f),XQ(G)
- Try
- P(H);XR(h)
- Threat
- DUALS(3)
- Vars
- Q(k);::S(J)
- B(j);N_SPINP(f)::S(J)
- S(g);::S(J)
- Refutation
- S(g);
- Try
- P(H);
- Threat
- DUALS(3)
- Vars
- R(h);::S(J)
- B(j);N_SPINP(f)::S(J)
- S(g);::S(J)
- Refutation
- S(g);
- Try
- Actual
- Q(G);
- Threat
- QAR1(G),XP(c)
- Vars
- R(a);N_GUARD,XB(A)::P(C),XP(b)
- R(h);N_GUARD,XQ(G)::S(J)
- R(a);S_CUTB(e)::S(B)
- R(a);N_GUARD::P(C),XP(b)
- R(h);N_SPINP(f),S_CUTB(j)::B(F)
- B(e);S_CUTR(a)::P(C),XP(b)
- B(j);N_SPINP(f),S_CUTR(h)::S(J)
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).