MESON Chess Problem Database
Problem Display
PID: 99309 (1b6/3B4/2N1PPpK/2p2k1p/4Nn1R/qb3Qp1/1pP5/8 w - - 0 1)
Molnar, Arpad
Sakkelet, 1998
#2
9 + 10
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Bxc2
- 2.e7#
- 1...Ba4
- 2.e7#
- 1...Be5
- 2.Se7#
- 1...Ba7
- 2.Rxf4#
- 2.Qxf4#
- 1...c4
- 2.e7#
- 1...Bxc2
- Tries
- 1.Sd6+?
- 1...Kxf6
- 2.Rxf4#
- 2.Qc3#
- 2.Qxf4#
- 1...Bxd6!
- 1...Kxf6
- 1.Rg4?
- threat
- 2.Rg5#
- 1...g5
- 2.Rxg5#
- 1...hxg4!
- threat
- 1.Rxh5+?
- 1...g5
- 2.Rxg5#
- 1...gxh5!
- 1...g5
- 1.f7?
- threat
- 2.f8Q#
- 2.f8R#
- 1...Bxc2
- 2.e7#
- 2.f8Q#
- 2.f8R#
- 1...Bxe6
- 2.f8Q#
- 2.f8R#
- 1...b1Q
- 2.f8Q#
- 2.f8R#
- 1...b1S
- 2.f8Q#
- 2.f8R#
- 1...b1B
- 2.f8Q#
- 2.f8R#
- 1...b1R
- 2.f8Q#
- 2.f8R#
- 1...Qb4
- 2.f8Q#
- 2.f8R#
- 1...Qa1
- 2.f8Q#
- 2.f8R#
- 1...Qa2
- 2.f8Q#
- 2.f8R#
- 1...Qa4
- 2.f8Q#
- 2.f8R#
- 1...Qa5
- 2.f8Q#
- 2.f8R#
- 1...Qa6
- 2.f8Q#
- 2.f8R#
- 1...Qa7
- 2.f8Q#
- 2.f8R#
- 1...Qa8
- 2.f8Q#
- 2.f8R#
- 1...Ba2
- 2.f8Q#
- 2.f8R#
- 1...Ba4
- 2.e7#
- 2.f8Q#
- 2.f8R#
- 1...Bc4
- 2.f8Q#
- 2.f8R#
- 1...Bd5
- 2.f8Q#
- 2.f8R#
- 1...Be5
- 2.Se7#
- 1...Ba7
- 2.Rxf4#
- 2.Qxf4#
- 2.f8Q#
- 2.f8R#
- 1...Bc7
- 2.f8Q#
- 2.f8R#
- 1...g2
- 2.f8Q#
- 2.f8R#
- 1...c4
- 2.e7#
- 1...g5
- 2.f8Q#
- 2.f8R#
- 1...Bd6!
- threat
- 1.Sd6+?
- Keys
- 1.Qc3!
- threat
- 2.Sxg3#
- 1...Kxe4
- 2.Qd3#
- 1...Sxe6
- 2.Se7#
- 1...Be5
- 2.Qxe5#
- 1...Se2
- 2.Se7#
- 1...Sg2
- 2.Se7#
- 1...Sd3
- 2.Se7#
- 1...Sh3
- 2.Se7#
- 1...Sd5
- 2.e7#
- 1...g2
- 2.Sg3#
- threat
- 1.Qc3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 8
- REMOVED MATES = 3
- Sets
- B(c);N_GUARD,XP(A)::B(I)+P(F)
- B(c);N_GUARD::B(I)+P(F)
- B(j);SBLOCK::S(E)
- P(f);S_CUTB(c)::B(I)+P(F)
- Tries
- Try
- S(C);CHECK
- Refutation
- B(j);XS(C)
- Try
- R(D);
- Threat
- R1(D)
- Vars
- P(i);::R1(D),XP(i)
- Refutation
- P(h);XR(D)
- Try
- R(D);CHECK,XP(h)
- Vars
- P(i);P_SPINP(i)::R1(D),XP(i)
- Refutation
- P(i);XR(D)
- Try
- P(G);
- Threat
- P=Q
- Vars
- B(c);P_SPINB(c),XP(F)::P=Q
- P(a);::P=Q
- Q(b);::P=Q
- B(c);::P=Q
- B(j);SBLOCK::S(E)
- B(j);::P=Q
- P(d);::P=Q
- P(f);S_CUTB(c)::B(I)+P(F)
- P(i);::P=Q
- Refutation
- B(j);
- Try
- Actual
- Q(B);N_PINS(e)
- Threat
- S(C),XP(d)
- Vars
- K(g);OGATEB,P_SPINS(e),S_FLIGHT,XS(C)::QAB1(B)
- S(e);P_SPINS(e),XP(F)::S(E)
- B(j);N_GUARD::QAR1(B),XB(j)
- S(e);::S(E)
- S(e);N_GUARD,S_CUTB(c)::B(I)+P(F)
- P(d);::S(C)
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).