MESON Chess Problem Database
Problem Display
PID: 81436 (5Bn1/3N1p2/2PPkp1R/p3q3/2K5/3Qp1pN/Bp6/5R2 w - - 0 1)
Varga, Josip
Sakkelet, 1985
#2
10 + 9
SOLUTION
- SOUND
- Sets
- 1...Qc3+
- 2.Kxc3#
- 1...Qd4+
- 2.Kxd4#
- 1...Qf4+
- 2.Sxf4#
- 1...Qxd6
- 2.Sg5#
- 2.Qf5#
- 2.Qxd6#
- 1...Qe4+
- 2.Qxe4#
- 1...Qb5+
- 2.Kxb5#
- 1...Qc5+
- 2.Kxc5#
- 1...Qd5+
- 2.Qxd5#
- 1...Qf5
- 2.Qxf5#
- 1...Qg5
- 2.Sxg5#
- 1...Qh5
- 2.Sf4#
- 1...Qc3+
- Tries
- 1.Sxe5?
- threat
- 2.Kd4#
- 2.Qf5#
- 2.Qd5#
- 1...Kxe5
- 2.Qf5#
- 2.Qxe3#
- 2.Qd5#
- 1...Sxh6
- 2.Kd4#
- 2.Qd5#
- 1...b1Q
- 2.Qd5#
- 1...b1B
- 2.Qd5#
- 1...b1R
- 2.Qf5#
- 2.Qd5#
- 1...Se7!
- threat
- 1.Rfxf6+?
- 1...Qxf6
- 2.Kb5#
- 2.Kc5#
- 2.Sf4#
- 2.Sg5#
- 2.Qe4#
- 2.Qd5#
- 1...Sxf6!
- 1...Qxf6
- 1.Rhxf6+?
- 1...Qxf6
- 2.Kb5#
- 2.Kc5#
- 2.Qd5#
- 1...Sxf6!
- 1...Qxf6
- 1.Qe4?
- threat
- 2.Kd3#
- 2.Sf4#
- 2.Sg5#
- 2.Sc5#
- 2.Qxe5#
- 1...Sxh6
- 2.Kd3#
- 2.Sf4#
- 2.Sc5#
- 2.Rxf6#
- 1...Se7
- 2.Rfxf6#
- 2.Rhxf6#
- 2.Qxe5#
- 1...b1Q
- 2.Sf4#
- 2.Sg5#
- 2.Sc5#
- 2.Qxe5#
- 1...b1B
- 2.Sf4#
- 2.Sg5#
- 2.Sc5#
- 2.Qxe5#
- 1...b1R
- 2.Sf4#
- 2.Sg5#
- 2.Sc5#
- 2.Qxe5#
- 1...Qxe4+!
- threat
- 1.Qxe3?
- threat
- 2.Kd3#
- 2.Sg5#
- 2.Sc5#
- 2.Qxe5#
- 1...Qe4+
- 2.Kc3#
- 2.Kb5#
- 2.Kc5#
- 2.Qxe4#
- 1...Sxh6
- 2.Kd3#
- 2.Sc5#
- 2.Rxf6#
- 1...Se7
- 2.Rfxf6#
- 2.Rhxf6#
- 2.Qxe5#
- 1...b1Q
- 2.Sg5#
- 2.Sc5#
- 2.Qxe5#
- 1...b1B
- 2.Sg5#
- 2.Sc5#
- 2.Qxe5#
- 1...b1R
- 2.Sg5#
- 2.Sc5#
- 2.Qxe5#
- 1...Qxe3!
- threat
- 1.Sxe5?
- Keys
- 1.Be7!
- threat
- 2.Sf8#
- 1...Qc3+
- 2.Kxc3#
- 1...Qd4+
- 2.Kxd4#
- 1...Qf4+
- 2.Sxf4#
- 1...Qe4+
- 2.Qxe4#
- 1...Qb5+
- 2.Kxb5#
- 1...Qc5+
- 2.Kxc5#
- 1...Qd5+
- 2.Qxd5#
- 1...Qxd6
- 2.Qxd6#
- 1...Qf5
- 2.Qxf5#
- 1...Qg5
- 2.Sxg5#
- 1...Qh5
- 2.Sf4#
- threat
- 1.Be7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- Q(e);CHECK::B(B)+K(E),XQ(e)
- Q(e);CHECK,N_GUARD::S(D),XQ(e)
- Q(e);CHECK,OGATEB::QAR2(C),XQ(e)
- Q(e);CHECK,N_GUARD::QAB1(C),XQ(e)
- Q(e);N_GUARD::QAB1(C),XQ(e)
- Q(e);N_GUARD::S(D),XQ(e)
- Q(e);N_GUARD::S(D)
- Tries
- Try
- S(I);XQ(e)
- Threat
- DUALS(3)
- Vars
- P(a);::QAB1(C)
- Refutation
- S(i);
- Try
- R(A);CHECK,XP(g)
- Refutation
- S(i);P_SPINS(i),XR(A)
- Try
- R(H);CHECK,XP(g)
- Refutation
- S(i);XR(H)
- Try
- Q(C);P_PINQ(e)
- Threat
- DUALS(5)
- Refutation
- Q(e);CHECK,N_SPINQ(e),XQ(C)
- Try
- Q(C);P_PINQ(e),XP(b)
- Threat
- DUALS(4)
- Refutation
- Q(e);N_SPINQ(e),XQ(C)
- Try
- Actual
- B(J);
- Threat
- S(I)
- Vars
- Q(e);CHECK::B(B)+K(E),XQ(e)
- Q(e);CHECK,N_GUARD::S(D),XQ(e)
- Q(e);CHECK,OGATEB::QAR2(C),XQ(e)
- Q(e);CHECK,N_GUARD::QAB1(C),XQ(e)
- Q(e);OGATE,XP(G)::QAR1(C),XQ(e)
- Q(e);N_GUARD::QAB1(C),XQ(e)
- Q(e);N_GUARD::S(D),XQ(e)
- Q(e);N_GUARD::S(D)
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).