MESON Chess Problem Database
Problem Display
PID: 82136 (3B4/p2K3R/2QpBN1n/r3k3/4p1P1/b6r/1n2NR2/q6b w - - 0 1)
Ahues, Herbert Siegfried Oskar
Freie Presse, 1970
#2
9 + 11
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rh2
- 2.Qc3#
- 1...Rc3
- 2.Qxc3#
- 1...Rf3
- 2.Qxe4#
- 1...Rh4
- 2.Qc3#
- 1...Rh5
- 2.Qc3#
- 1...Ra4
- 2.Qd5#
- 1...Rc5
- 2.Qxd6#
- 1...Rd5
- 2.Qxd5#
- 1...Ra6
- 2.Qd5#
- 1...Bf3
- 2.Qc3#
- 1...Bc5
- 2.Qd5#
- 1...Sxg4
- 2.Sxg4#
- 2.Rf5#
- 1...Sf5
- 2.Rxf5#
- 1...Sf7
- 2.Rf5#
- 1...Sg8
- 2.Rf5#
- 1...e3
- 2.Qc3#
- 1...Rh2
- Tries
- 1.Sh5?
- threat
- 2.Bf6#
- 1...Sxg4
- 2.Rf5#
- 1...Sg8
- 2.Rf5#
- 1...Rf3!
- threat
- 1.Se8?
- threat
- 2.Bf6#
- 1...Sxg4
- 2.Rf5#
- 1...Sg8
- 2.Rf5#
- 1...Rf3!
- threat
- 1.Sg8?
- threat
- 2.Bf6#
- 1...Sxg4
- 2.Rf5#
- 1...Sxg8
- 2.Rf5#
- 1...Rf3!
- threat
- 1.Ba2?
- threat
- 2.Re7#
- 1...Rf3
- 2.Qxe4#
- 1...Bf3
- 2.Qc3#
- 1...Sf5
- 2.Rxf5#
- 1...Sf7
- 2.Rf5#
- 1...Sg8
- 2.Rf5#
- 1...d5
- 2.Qe6#
- 1...Qxa2!
- threat
- 1.Bc4?
- threat
- 2.Re7#
- 1...Rf3
- 2.Qxe4#
- 1...Sf5
- 2.Rxf5#
- 1...Sf7
- 2.Rf5#
- 1...Sg8
- 2.Rf5#
- 1...d5
- 2.Qe6#
- 1...Bf3!
- threat
- 1.Bd5?
- threat
- 2.Re7#
- 1...Bf3
- 2.Qc3#
- 1...Sf5
- 2.Rxf5#
- 1...Sf7
- 2.Rf5#
- 1...Sg8
- 2.Rf5#
- 1...Rf3!
- threat
- 1.Bg8?
- threat
- 2.Re7#
- 1...Sxg8
- 2.Rf5#
- 1...Rf3
- 2.Qxe4#
- 1...Bf3
- 2.Qc3#
- 1...Sf5
- 2.Rxf5#
- 1...Sf7
- 2.Rf5#
- 1...d5
- 2.Qe6#
- 1...Qa2!
- threat
- 1.Rf3?
- threat
- 2.Qxe4#
- 2.Qc3#
- 1...Rxf3
- 2.Qxe4#
- 1...Bxf3
- 2.Qc3#
- 1...exf3
- 2.Qe4#
- 2.Qc3#
- 1...Qb1
- 2.Qc3#
- 1...Qc1
- 2.Qxe4#
- 1...Qd1
- 2.Qxe4#
- 1...Qe1
- 2.Qxe4#
- 1...Qg1
- 2.Qxe4#
- 1...Ra4
- 2.Qd5#
- 1...Rc5
- 2.Qxe4#
- 2.Qxd6#
- 1...Rd5
- 2.Qxd5#
- 1...Bb4
- 2.Qxe4#
- 1...Bc5
- 2.Qxe4#
- 2.Qd5#
- 1...Sd1
- 2.Qxe4#
- 1...Sd3
- 2.Qxe4#
- 1...Sa4
- 2.Qxe4#
- 1...Sc4
- 2.Qxe4#
- 1...Sf5
- 2.Rxf5#
- 2.Qxe4#
- 1...e3
- 2.Qe4#
- 2.Qc3#
- 1...d5!
- threat
- 1.Rxh6?
- threat
- 2.Rf5#
- 1...Rf3
- 2.Qxe4#
- 1...Rh5
- 2.Rxh5#
- 2.Qc3#
- 1...Bf3
- 2.Qc3#
- 1...Qf1!
- threat
- 1.Sh5?
- Keys
- 1.Bb3!
- threat
- 2.Re7#
- 1...Rf3
- 2.Qxe4#
- 1...Bf3
- 2.Qc3#
- 1...Sf5
- 2.Rxf5#
- 1...Sf7
- 2.Rf5#
- 1...Sg8
- 2.Rf5#
- 1...d5
- 2.Qe6#
- threat
- 1.Bb3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 10
- Sets
- R(e);N_GUARD::QAB(D)
- R(e);N_GUARD::QAB(D),XR(e)
- R(e);S_CUTB(b)::QAR1(D),XP(f)
- R(g);N_GUARD::QAR1(D)
- R(g);S_CUTB(d)::QAB1(D),XP(i)
- R(g);N_GUARD::QAR1(D),XR(g)
- B(b);S_CUTR(e)::QAB(D)
- B(d);S_CUTR(g)::QAR1(D)
- S(j);N_GUARD::R1(B),XS(j)
- S(j);N_GUARD::R1(B)
- P(f);S_CUTR(e)::QAB(D)
- Tries
- Try
- S(F);
- Threat
- B(I)
- Vars
- S(j);N_GUARD,XP(C)::R1(B)
- S(j);N_GUARD::R1(B)
- Refutation
- R(e);
- Try
- S(F);
- Threat
- B(I)
- Vars
- S(j);N_GUARD,XP(C)::R1(B)
- S(j);N_GUARD::R1(B)
- Refutation
- R(e);
- Try
- S(F);
- Threat
- B(I)
- Vars
- S(j);N_GUARD,XP(C)::R1(B)
- S(j);N_GUARD,XS(F)::R1(B)
- Refutation
- R(e);
- Try
- B(E);
- Threat
- R(H)
- Vars
- R(e);S_CUTB(b)::QAR1(D),XP(f)
- B(b);S_CUTR(e)::QAB(D)
- S(j);N_GUARD::R1(B),XS(j)
- S(j);N_GUARD::R1(B)
- P(i);OGATE::QAR1(D)
- Refutation
- Q(a);XB(E)
- Try
- B(E);
- Threat
- R(H)
- Vars
- R(e);S_CUTB(b)::QAR1(D),XP(f)
- S(j);N_GUARD::R1(B),XS(j)
- S(j);N_GUARD::R1(B)
- P(i);OGATE::QAR1(D)
- Refutation
- B(b);
- Try
- B(E);
- Threat
- R(H)
- Vars
- B(b);S_CUTR(e)::QAB(D)
- S(j);N_GUARD::R1(B),XS(j)
- S(j);N_GUARD::R1(B)
- Refutation
- R(e);
- Try
- B(E);
- Threat
- R(H)
- Vars
- S(j);N_GUARD,XB(E)::R1(B)
- R(e);S_CUTB(b)::QAR1(D),XP(f)
- B(b);S_CUTR(e)::QAB(D)
- S(j);N_GUARD::R1(B),XS(j)
- S(j);N_GUARD::R1(B)
- P(i);OGATE::QAR1(D)
- Refutation
- Q(a);
- Try
- R(B);
- Threat
- DUALS(2)
- Vars
- R(e);XR(B)::QAR1(D),XP(f)
- B(b);XR(B)::QAB(D)
- Q(a);::QAB(D)
- Q(a);::QAR1(D),XP(f)
- R(g);N_GUARD::QAR1(D)
- R(g);N_GUARD::QAR1(D),XR(g)
- B(d);::QAR1(D),XP(f)
- S(c);::QAR1(D),XP(f)
- Refutation
- P(i);
- Try
- R(H);XS(j)
- Threat
- R1(B)
- Vars
- R(e);S_CUTB(b)::QAR1(D),XP(f)
- B(b);S_CUTR(e)::QAB(D)
- Refutation
- Q(a);
- Try
- Actual
- B(E);
- Threat
- R(H)
- Vars
- R(e);S_CUTB(b)::QAR1(D),XP(f)
- B(b);S_CUTR(e)::QAB(D)
- S(j);N_GUARD::R1(B),XS(j)
- S(j);N_GUARD::R1(B)
- P(i);OGATE::QAR1(D)
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).