MESON Chess Problem Database
Problem Display
PID: 82006 (1b1r2r1/7b/1P5Q/2P2B1N/R2pp3/3k1PR1/2p2P2/Bnn1K3 w - - 0 1)
Ahues, Herbert Siegfried Oskar
Magyar Sakkszovetseg, 1977
#2
11 + 10
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rd6
- 2.Sf4#
- 1...Rc8
- 2.Rxd4#
- 1...Rde8
- 2.Rxd4#
- 1...Rdf8
- 2.Rxd4#
- 1...Rg6
- 2.Bxe4#
- 1...Rge8
- 2.f4#
- 1...Rgf8
- 2.f4#
- 1...Rh8
- 2.f4#
- 1...Bg6
- 2.f4#
- 1...Bf4
- 2.Sxf4#
- 1...Bd6
- 2.Rxd4#
- 1...Ba7
- 2.Sf4#
- 1...Sd2
- 2.Qxd2#
- 1...Sa3
- 2.Qd2#
- 1...Sc3
- 2.Qd2#
- 1...Rd6
- Tries
- 1.Bxd4?
- threat
- 2.Qe3#
- 1...Bf4
- 2.Sxf4#
- 1...Rg5!
- threat
- 1.Bd7?
- threat
- 2.Bb5#
- 2.Rxd4#
- 1...exf3
- 2.Rxd4#
- 1...Be5
- 2.Bb5#
- 1...Sd2
- 2.Rxd4#
- 2.Qxd2#
- 1...Sa3
- 2.Rxd4#
- 2.Qd2#
- 1...Sc3
- 2.Qd2#
- 1...Se2
- 2.Bb5#
- 1...Sb3
- 2.Bb5#
- 1...Rxd7!
- threat
- 1.Bc8?
- threat
- 2.Ba6#
- 1...Rxc8
- 2.Rxd4#
- 1...Sd2
- 2.Qxd2#
- 1...Sa3
- 2.Qd2#
- 1...Sc3
- 2.Qd2#
- 1...exf3!
- threat
- 1.Qf4?
- threat
- 2.Qxe4#
- 1...Bxf4
- 2.Sxf4#
- 1...Rde8
- 2.Rxd4#
- 1...Rg4
- 2.fxg4#
- 1...Rge8
- 2.fxe4#
- 1...Sd2
- 2.Qxd2#
- 1...Sc3
- 2.Qd2#
- 1...Bxf5!
- threat
- 1.Qd6?
- threat
- 2.Sf4#
- 2.Rxd4#
- 1...Rxd6
- 2.Sf4#
- 1...Bxd6
- 2.Rxd4#
- 1...Rg4
- 2.Rxd4#
- 2.fxg4#
- 1...Sb3
- 2.Sf4#
- 1...Se2!
- threat
- 1.Qe6?
- threat
- 2.Qc4#
- 2.Qxe4#
- 1...Bxf5
- 2.Qc4#
- 1...Rd5
- 2.Qxe4#
- 1...Rde8
- 2.Rxd4#
- 2.Qc4#
- 1...Rg4
- 2.Qc4#
- 1...Rge8
- 2.Qc4#
- 2.f4#
- 1...Be5
- 2.Qc4#
- 1...Sa3
- 2.Qxe4#
- 1...Sc3
- 2.Qc4#
- 1...Sd2!
- threat
- 1.Qg6?
- threat
- 2.Bxe4#
- 2.f4#
- 1...Rxg6
- 2.Bxe4#
- 1...Bxg6
- 2.f4#
- 1...Bxg3
- 2.Bxe4#
- 1...Rde8
- 2.Rxd4#
- 2.f4#
- 1...Rge8
- 2.f4#
- 1...Bf4
- 2.Sxf4#
- 2.Bxe4#
- 1...Sc3
- 2.f4#
- 1...Se2
- 2.Bxe4#
- 1...Sd2!
- threat
- 1.Bxd4?
- Keys
- 1.b7!
- threat
- 2.Qa6#
- 1...Sd2
- 2.Qxd2#
- 1...Rd6
- 2.Sf4#
- 1...Rg6
- 2.Bxe4#
- 1...Bg6
- 2.f4#
- 1...Bd6
- 2.Rxd4#
- 1...Sa3
- 2.Qd2#
- 1...Sc3
- 2.Qd2#
- threat
- 1.b7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 8
- Sets
- R(i);S_CUTB(h)::S(I)
- R(i);N_GUARD::R1(F),XP(e)
- R(j);S_CUTB(g)::B(H),XP(f)
- R(j);N_GUARD::R(E)+P(D)
- B(g);S_CUTR(j)::R(E)+P(D)
- B(h);N_GUARD::S(I),XB(h)
- B(h);S_CUTR(i)::R1(F),XP(e)
- B(h);N_GUARD::S(I)
- S(a);N_GUARD::QAR1(K),XS(a)
- S(a);N_GUARD::QAR1(K)
- Tries
- Try
- B(A);XP(e)
- Threat
- QAR1(K)
- Vars
- B(h);N_GUARD::S(I),XB(h)
- Refutation
- R(j);
- Try
- B(H);N_PINP(f)
- Threat
- DUALS(2)
- Vars
- P(f);P_SPINP(f),XP(D)::R1(F),XP(e)
- B(h);::B(H)
- S(a);N_GUARD::QAR1(K)
- S(b);::B(H)
- Refutation
- R(i);XB(H)
- Try
- B(H);N_PINP(f)
- Threat
- B(H)
- Vars
- R(i);N_GUARD,XB(H)::R1(F),XP(e)
- S(a);N_GUARD::QAR1(K),XS(a)
- S(a);N_GUARD::QAR1(K)
- Refutation
- P(f);P_SPINP(f),XP(D)
- Try
- Q(K);
- Threat
- QAB1(K),XP(f)
- Vars
- B(h);XQ(K)::S(I),XB(h)
- R(i);N_GUARD::R1(F),XP(e)
- R(j);OGATE::R(E)+P(D),XR(j)
- R(j);N_GUARD::R(E)+P(D),XP(f)
- S(a);N_GUARD::QAR1(K),XS(a)
- S(a);N_GUARD::QAR1(K)
- Refutation
- B(g);N_SPINP(f),XB(H)
- Try
- Q(K);N_PINP(f),P_PINP(e)
- Threat
- DUALS(2)
- Vars
- R(i);N_SPINP(e),P_SPINP(f),XQ(K)::S(I)
- B(h);N_SPINP(e),P_SPINP(f),XQ(K)::R1(F),XP(e)
- S(b);::S(I)
- Refutation
- S(b);
- Try
- Q(K);
- Threat
- DUALS(2)
- Vars
- B(g);N_SPINP(f),XB(H)::QAB1(K)
- R(i);::QAB1(K),XP(f)
- R(j);::QAB1(K)
- B(h);::QAB1(K)
- S(a);::QAB1(K),XP(f)
- S(a);::QAB1(K)
- Refutation
- S(a);
- Try
- Q(K);
- Threat
- DUALS(2)
- Vars
- R(j);XQ(K)::B(H),XP(f)
- B(g);XQ(K)::R(E)+P(D)
- B(h);P_PINP(C),XR(E)::B(H),XP(f)
- R(j);::R(E)+P(D)
- S(a);::R(E)+P(D)
- S(b);::B(H),XP(f)
- Refutation
- S(a);
- Try
- Actual
- P(J);
- Threat
- QAB(K)
- Vars
- S(a);N_GUARD::QAR1(K),XS(a)
- R(i);S_CUTB(h)::S(I)
- R(j);S_CUTB(g)::B(H),XP(f)
- B(g);S_CUTR(j)::R(E)+P(D)
- B(h);S_CUTR(i)::R1(F),XP(e)
- S(a);N_GUARD::QAR1(K)
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).