MESON Chess Problem Database
Problem Display
PID: 135186 (8/pNR3pB/Qp2p1n1/p1Nk3r/6P1/2Bp4/3Kb3/4R3 w - - 0 1)
Janevski, Zivko
Die Schwalbe, 2009
#2
9 + 10
SOLUTION
- SOUND
- Sets
- 1...Bd1
- 2.Qxd3#
- 1...Bf3
- 2.Qxd3#
- 1...Bxg4
- 2.Qxd3#
- 1...Sf4
- 2.Be4#
- 1...Sh4
- 2.Be4#
- 1...Se5
- 2.Be4#
- 1...Se7
- 2.Be4#
- 1...Sf8
- 2.Be4#
- 1...Sh8
- 2.Be4#
- 1...b5
- 2.Qxe6#
- 1...e5
- 2.Bg8#
- 1...Bd1
- Tries
- 1.Sb3?
- threat
- 2.Qc4#
- 1...Se5
- 2.Qb5#
- 1...b5
- 2.Qc6#
- 1...Ke4!
- threat
- 1.Sxd3?
- threat
- 2.Qc4#
- 1...Bxd3
- 2.Qxd3#
- 1...Se5
- 2.Sf4#
- 2.Qb5#
- 1...b5
- 2.Qc6#
- 1...Ke4!
- threat
- 1.Sa4?
- threat
- 2.Qc4#
- 1...Se5
- 2.Qb5#
- 1...b5
- 2.Qc6#
- 1...Ke4!
- threat
- 1.Se4?
- threat
- 2.Qc4#
- 1...Se5
- 2.Qb5#
- 1...b5
- 2.Qc6#
- 1...Kxe4!
- threat
- 1.Sd7?
- threat
- 2.Qc4#
- 1...Se5
- 2.Qb5#
- 1...b5
- 2.Qc6#
- 1...Ke4!
- threat
- 1.Rxe2?
- threat
- 2.Qxd3#
- 1...dxe2
- 2.Qd3#
- 1...b5
- 2.Qxe6#
- 1...Sf4
- 2.Be4#
- 1...Se5
- 2.Be4#
- 1...Rh3!
- threat
- 1.Qb5?
- threat
- 2.Rd7#
- 2.Qb3#
- 1...Bd1
- 2.Sb3#
- 2.Sxd3#
- 2.Sa4#
- 2.Se4#
- 2.Sa6#
- 2.Sxe6#
- 2.Sd7#
- 2.Rd7#
- 2.Qxd3#
- 1...Se5
- 2.Sb3#
- 2.Sxd3#
- 2.Sa4#
- 2.Se4#
- 2.Sa6#
- 2.Sd7#
- 2.Be4#
- 1...Sf8
- 2.Sb3#
- 2.Sxd3#
- 2.Sa4#
- 2.Se4#
- 2.Sa6#
- 2.Sd7#
- 2.Be4#
- 2.Qb3#
- 1...a4
- 2.Rd7#
- 1...bxc5!
- threat
- 1.Qxb6?
- threat
- 2.Qb3#
- 2.Qxe6#
- 1...Kc4
- 2.Qb3#
- 1...Bxg4
- 2.Qb3#
- 1...Re5
- 2.Qb3#
- 1...Bd1
- 2.Qxe6#
- 1...Sf4
- 2.Qb3#
- 1...Se5
- 2.Qxe6#
- 1...Sf8
- 2.Qb3#
- 1...a4
- 2.Qxe6#
- 1...e5
- 2.Bg8#
- 2.Qb3#
- 2.Qe6#
- 1...axb6!
- threat
- 1.Sb3?
- Keys
- 1.Sxe6!
- threat
- 2.Qc4#
- 1...Ke4
- 2.Qxd3#
- 1...Kxe6
- 2.Bg8#
- 1...Se5
- 2.Sf4#
- 1...b5
- 2.Qc6#
- threat
- 1.Sxe6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 2
- REMOVED MATES = 9
- Sets
- B(a);N_GUARD::QAR2(F),XP(b)
- B(a);N_GUARD,XP(D)::QAR2(F),XP(b)
- S(h);OGATE::B(I)
- P(f);OGATE::QAB1(F),XP(g)
- P(g);OGATEB::B(I)
- Tries
- Try
- S(E);
- Threat
- QAB1(F)
- Vars
- S(h);::QAR2(F)
- P(f);OGATE::QAB1(F)
- Refutation
- K(d);P_SPINB(a),P_SPINS(h),S_FLIGHT
- Try
- S(E);XP(b)
- Threat
- QAB1(F)
- Vars
- B(a);OGATE,XS(E)::QAR2(F),XB(a)
- P(f);OGATE::QAB1(F)
- Refutation
- K(d);P_SPINB(a),P_SPINS(h),S_FLIGHT
- Try
- S(E);
- Threat
- QAB1(F)
- Vars
- S(h);::QAR2(F)
- P(f);OGATE::QAB1(F)
- Refutation
- K(d);P_SPINB(a),P_SPINS(h),S_FLIGHT
- Try
- S(E);
- Threat
- QAB1(F)
- Vars
- S(h);::QAR2(F)
- P(f);OGATE::QAB1(F)
- Refutation
- K(d);P_SPINB(a),P_SPINS(h),S_FLIGHT,XS(E)
- Try
- S(E);
- Threat
- QAB1(F)
- Vars
- S(h);::QAR2(F)
- P(f);OGATE::QAB1(F)
- Refutation
- K(d);P_SPINB(a),P_SPINS(h),S_FLIGHT
- Try
- R(A);XB(a)
- Threat
- QAR2(F),XP(b)
- Vars
- P(b);XR(A)::QAR2(F)
- P(f);OGATE::QAB1(F),XP(g)
- S(h);OGATE::B(I)
- Refutation
- R(e);
- Try
- Q(F);
- Threat
- DUALS(2)
- Vars
- P(c);::R(H)
- Refutation
- P(f);P_SPINP(f),XS(E)
- Try
- Q(F);XP(f)
- Threat
- DUALS(2)
- Vars
- K(d);S_FLIGHT::QAB1(F)
- B(a);XP(D)::QAB(F)
- R(e);::QAB(F)
- B(a);::QAB1(F),XP(g)
- S(h);::QAB(F)
- S(h);::QAB1(F),XP(g)
- P(c);::QAB1(F),XP(g)
- Refutation
- P(i);XQ(F)
- Try
- Actual
- S(E);XP(g)
- Threat
- QAB1(F)
- Vars
- K(d);P_SPINB(a),P_SPINS(h),S_FLIGHT::QAB1(F),XP(b)
- K(d);OGATEB,P_SPINB(a),P_SPINP(f),S_FLIGHT,XS(E)::B(I)
- S(h);N_GUARD::S(E)
- P(f);OGATE::QAB1(F)
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).