MESON Chess Problem Database
Problem Display
PID: 107817 (n7/2pp1rp1/1p3pN1/1p1k1Kp1/1B1PN3/5PQ1/4P3/2RR3B w - - 0 1)
Bruch, Wieland
Apprenti Sorcier, 1992
#2
11 + 10
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Re7
- 2.Sxe7#
- 1...Rf8
- 2.Se7#
- 1...g4
- 2.Sf4#
- 1...c5
- 2.Qd6#
- 1...c6
- 2.Qd6#
- 1...Re7
- Tries
- 1.Sf2?
- threat
- 2.e4#
- 2.f4#
- 1...Re7
- 2.Sxe7#
- 1...c5!
- threat
- 1.Sd6?
- threat
- 2.e4#
- 2.f4#
- 1...Re7
- 2.Sxe7#
- 1...c5!
- threat
- 1.Sxf6+?
- 1...gxf6
- 2.e4#
- 2.f4#
- 1...Rxf6+!
- 1...gxf6
- 1.Bg2?
- 1...c5
- 2.Qd6#
- 1...Re7
- 2.Sxe7#
- 1...Rf8
- 2.Se7#
- 1...g4
- 2.Sf4#
- 1...c6
- 2.Qd6#
- 1...d6!
- 1...c5
- 1.Rc2?
- 1...c5
- 2.Qd6#
- 1...Re7
- 2.Sxe7#
- 1...Rf8
- 2.Se7#
- 1...g4
- 2.Sf4#
- 1...c6
- 2.Qd6#
- 1...d6!
- 1...c5
- 1.Rc3?
- 1...c5
- 2.Qd6#
- 1...Re7
- 2.Sxe7#
- 1...Rf8
- 2.Se7#
- 1...g4
- 2.Sf4#
- 1...c6
- 2.Qd6#
- 1...d6!
- 1...c5
- 1.Rxc7?
- threat
- 2.Sc3#
- 2.Qd6#
- 1...d6
- 2.Sc3#
- 2.Qxd6#
- 1...Sxc7!
- threat
- 1.Rd2?
- 1...c5
- 2.Qd6#
- 1...Re7
- 2.Sxe7#
- 1...Rf8
- 2.Se7#
- 1...g4
- 2.Sf4#
- 1...c6
- 2.Qd6#
- 1...d6!
- 1...c5
- 1.Rd3?
- 1...c5
- 2.Qd6#
- 1...Re7
- 2.Sxe7#
- 1...Rf8
- 2.Se7#
- 1...g4
- 2.Sf4#
- 1...c6
- 2.Qd6#
- 1...d6!
- 1...c5
- 1.Qh2?
- 1...c5
- 2.Qd6#
- 1...Re7
- 2.Sxe7#
- 1...Rf8
- 2.Se7#
- 1...g4
- 2.Sf4#
- 1...c6
- 2.Qd6#
- 1...d6!
- 1...c5
- 1.Qxc7?
- threat
- 2.Sc3#
- 2.Qd6#
- 2.Qb7#
- 1...d6
- 2.Sc3#
- 2.Qxd6#
- 2.Qc6#
- 2.Qxf7#
- 1...Sxc7!
- threat
- 1.e3?
- 1...c5
- 2.Qd6#
- 1...Re7
- 2.Sxe7#
- 1...Rf8
- 2.Se7#
- 1...g4
- 2.Sf4#
- 1...c6
- 2.Qd6#
- 1...d6!
- 1...c5
- 1.f4?
- threat
- 2.Sf2#
- 2.Sxg5#
- 2.Sd6#
- 2.Sxf6#
- 2.Qb3#
- 1...gxf4
- 2.Sxf6#
- 2.Sxf4#
- 2.Qb3#
- 1...d6
- 2.Sf2#
- 2.Sc5#
- 2.Sxg5#
- 2.Sxd6#
- 2.Sxf6#
- 2.Qb3#
- 1...Re7
- 2.Sxf6#
- 2.Sxe7#
- 2.Qb3#
- 1...g4
- 2.Sf2#
- 2.Sg5#
- 2.Sd6#
- 2.Sxf6#
- 2.Qb3#
- 1...c5!
- threat
- 1.Sf2?
- Keys
- 1.Sc5!
- 1...Kc6
- 2.d5#
- 1...bxc5
- 2.Rxc5#
- 1...Re7
- 2.Sxe7#
- 1...Rf8
- 2.Se7#
- 1...g4
- 2.fxg4#
- 1...c6
- 2.e4#
- 1...d6
- 2.f4#
- 1...Kc6
- 1.Sc5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 2
- ADDED MATES = 3
- REMOVED MATES = 1
- Sets
- R(h);N_GUARD::S(K),XR(h)
- R(h);N_GUARD::S(K)
- P(c);N_GUARD::S(K)
- P(f);N_GUARD::QAR1(F)
- Tries
- Try
- S(I);
- Threat
- DUALS(2)
- Vars
- R(h);N_GUARD::S(K),XR(h)
- Refutation
- P(f);
- Try
- S(I);
- Threat
- DUALS(2)
- Vars
- R(h);N_GUARD::S(K),XR(h)
- Refutation
- P(f);
- Try
- S(I);CHECK,P_SPINS(I),XP(e)
- Refutation
- R(h);CHECK,XS(I)
- Try
- B(C);
- Vars
- P(f);N_GUARD::QAR1(F)
- R(h);N_GUARD::S(K),XR(h)
- R(h);N_GUARD::S(K)
- P(c);N_GUARD::S(K)
- Refutation
- P(g);
- Try
- R(A);
- Vars
- P(f);N_GUARD::QAR1(F)
- R(h);N_GUARD::S(K),XR(h)
- R(h);N_GUARD::S(K)
- P(c);N_GUARD::S(K)
- Refutation
- P(g);
- Try
- R(A);
- Vars
- P(f);N_GUARD::QAR1(F)
- R(h);N_GUARD::S(K),XR(h)
- R(h);N_GUARD::S(K)
- P(c);N_GUARD::S(K)
- Refutation
- P(g);
- Try
- R(A);XP(f)
- Threat
- DUALS(2)
- Refutation
- S(j);XR(A)
- Try
- R(B);
- Vars
- P(f);N_GUARD::QAR1(F)
- R(h);N_GUARD::S(K),XR(h)
- R(h);N_GUARD::S(K)
- P(c);N_GUARD::S(K)
- Refutation
- P(g);
- Try
- R(B);
- Vars
- P(f);N_GUARD::QAR1(F)
- R(h);N_GUARD::S(K),XR(h)
- R(h);N_GUARD::S(K)
- P(c);N_GUARD::S(K)
- Refutation
- P(g);
- Try
- Q(F);
- Vars
- P(f);N_GUARD::QAR1(F)
- R(h);N_GUARD::S(K),XR(h)
- R(h);N_GUARD::S(K)
- P(c);N_GUARD::S(K)
- Refutation
- P(g);
- Try
- Q(F);XP(f)
- Threat
- DUALS(3)
- Refutation
- S(j);XQ(F)
- Try
- P(D);
- Vars
- P(f);N_GUARD::QAR1(F)
- R(h);N_GUARD::S(K),XR(h)
- R(h);N_GUARD::S(K)
- P(c);N_GUARD::S(K)
- Refutation
- P(g);
- Try
- P(E);
- Threat
- DUALS(5)
- Refutation
- P(f);
- Try
- Actual
- S(I);
- Vars
- K(b);OGATE,S_FLIGHT::P(H)
- P(d);OGATE,XS(I)::R1(A),XP(d)
- R(h);N_GUARD::S(K),XR(h)
- R(h);N_GUARD::S(K)
- P(c);OGATE::B(C)+P(E),XP(c)
- P(f);SBLOCK::P(D)
- P(g);SBLOCK::B(C)+P(E)
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).