MESON Chess Problem Database
Problem Display
PID: 137094 (1B2K3/8/2p1P2p/3p1p1p/Q2bkN1N/3ppRn1/4r3/2Rn1B2 w - - 0 1)
Janevski, Zivko
StrateGems, 2010
#2
9 + 12
SOLUTION
- SOUND
- Sets
- 1...Re1
- 2.Bxd3#
- 1...Ra2
- 2.Bxd3#
- 1...Rb2
- 2.Bxd3#
- 1...Rc2
- 2.Bxd3#
- 1...Rf2
- 2.Bxd3#
- 1...Rg2
- 2.Bxd3#
- 1...Rh2
- 2.Bxd3#
- 1...d2
- 2.Qc2#
- 1...Re1
- Tries
- 1.Sxe2?
- threat
- 2.Sxg3#
- 2.Rf4#
- 2.Qxd4#
- 1...Sxf1
- 2.Rf4#
- 2.Qxd4#
- 1...dxe2
- 2.Qc2#
- 1...d2
- 2.Sxg3#
- 2.Qc2#
- 2.Qxd4#
- 1...Sh1
- 2.Rf4#
- 2.Qxd4#
- 1...f4
- 2.Rxf4#
- 2.Qxd4#
- 1...c5
- 2.Sxg3#
- 2.Rf4#
- 1...Sxe2!
- threat
- 1.Sfg2?
- threat
- 2.Rf4#
- 1...d2
- 2.Qc2#
- 1...f4
- 2.Rxf4#
- 1...Rf2!
- threat
- 1.Sh3?
- threat
- 2.Rf4#
- 1...d2
- 2.Qc2#
- 1...f4
- 2.Rxf4#
- 1...Rf2!
- threat
- 1.Sxd5?
- threat
- 2.Sf6#
- 1...Kxd5
- 2.Qxc6#
- 1...cxd5
- 2.Rf4#
- 1...d2!
- threat
- 1.Sxh5?
- threat
- 2.Sxg3#
- 2.Sf6#
- 2.Rf4#
- 1...Sxf1
- 2.Sf6#
- 2.Rf4#
- 1...d2
- 2.Qc2#
- 1...Rf2
- 2.Sxg3#
- 2.Sf6#
- 1...Rg2
- 2.Sf6#
- 2.Rf4#
- 1...Sh1
- 2.Sf6#
- 2.Rf4#
- 1...f4
- 2.Sf6#
- 2.Rxf4#
- 1...Sxh5!
- threat
- 1.Sfg6?
- threat
- 2.Rf4#
- 1...d2
- 2.Qc2#
- 1...f4
- 2.Rxf4#
- 1...Rf2!
- threat
- 1.Bg2?
- threat
- 2.Rf2#
- 1...Rf2
- 2.Rxf2#
- 1...Sf2
- 2.Rxf2#
- 2.Rxg3#
- 1...Rxg2!
- threat
- 1.Rc4?
- threat
- 2.Rxd4#
- 1...dxc4
- 2.Qxc6#
- 1...c5!
- threat
- 1.Qxd1?
- threat
- 2.Qxd3#
- 1...d2
- 2.Qc2#
- 1...Rd2!
- threat
- 1.Sxe2?
- Keys
- 1.Sxd3!
- threat
- 2.Sc5#
- 1...Kxd3
- 2.Qc2#
- 1...Rc2
- 2.Rf4#
- 1...c5
- 2.Sxc5#
- threat
- 1.Sxd3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 7
- Sets
- R(b);OGATE::B(B),XP(c)
- P(c);OGATEB::QAB(D)
- Tries
- Try
- S(E);XR(b)
- Threat
- DUALS(3)
- Vars
- P(c);OGATEB,XS(E)::QAB(D)
- Refutation
- S(e);XS(E)
- Try
- S(E);
- Threat
- R1(C)
- Vars
- P(c);OGATEB::QAB(D)
- P(i);::R1(C),XP(i)
- Refutation
- R(b);
- Try
- S(E);
- Threat
- R1(C)
- Vars
- P(c);OGATEB::QAB(D)
- P(i);::R1(C),XP(i)
- Refutation
- R(b);
- Try
- S(E);XP(h)
- Threat
- S(E)
- Vars
- K(g);N_SPINB(f),OGATEB,S_FLIGHT,XS(E)::QAB1(D),XP(k)
- P(k);SBLOCK,XS(E)::R1(C)
- Refutation
- P(c);
- Try
- S(E);XP(j)
- Threat
- DUALS(3)
- Vars
- P(c);OGATEB::QAB(D)
- Refutation
- S(e);XS(E)
- Try
- S(E);
- Threat
- R1(C)
- Vars
- P(c);OGATEB::QAB(D)
- P(i);::R1(C),XP(i)
- Refutation
- R(b);
- Try
- B(B);
- Threat
- B(B)+R(C)
- Vars
- R(b);::B(B)+R(C),XR(b)
- Refutation
- R(b);XB(B)
- Try
- R(A);
- Threat
- R1(A),XB(f)
- Vars
- P(h);N_SPINB(f),OGATEB,XR(A)::QAB(D),XP(k)
- Refutation
- P(k);
- Try
- Q(D);N_PINB(f),XS(a)
- Threat
- QAB1(D),XP(c)
- Vars
- P(c);OGATEB::QAB(D)
- Refutation
- R(b);
- Try
- Actual
- S(E);XP(c)
- Threat
- S(E)
- Vars
- K(g);N_SPINB(f),OGATEB,P_SPINP(d),P_SPINR(b),S_FLIGHT,XS(E)::QAB1(D)
- R(b);::R1(C)
- P(k);::S(E),XP(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).