MESON Chess Problem Database
Problem Display
PID: 268133 (3nN1KQ/6R1/1PP5/BPk2P2/P7/P1r2N2/B1P5/4n3 w - - 0 1)
Maleika, Gerhard
Probleemblad, 1985
#2
14 + 4
SOLUTION
- SOUND
- Tries
- 1.Rg1?
- threat
- 2.Qxc3#
- 2.Qd4#
- 2.Qe5#
- 1...Rxc2
- 2.Qd4#
- 2.Qe5#
- 1...Rxa3
- 2.Qd4#
- 2.Qe5#
- 1...Rxf3
- 2.Qe5#
- 1...Sxc2
- 2.Qxc3#
- 2.Qe5#
- 1...Sxf3
- 2.Qxc3#
- 1...Sxc6
- 2.Qxc3#
- 1...Rb3
- 2.Qd4#
- 1...Rc4
- 2.Qe5#
- 1...Re3
- 2.Qd4#
- 1...Sd3
- 2.Qxc3#
- 2.Qd4#
- 1...Se6
- 2.Qxc3#
- 2.Qe5#
- 1...Sf7
- 2.Qxc3#
- 2.Qd4#
- 1...Rd3!
- threat
- 1.Rg2?
- threat
- 2.Qxc3#
- 2.Qd4#
- 2.Qe5#
- 1...Rxc2
- 2.Qd4#
- 2.Qe5#
- 1...Rxa3
- 2.Qd4#
- 2.Qe5#
- 1...Rxf3
- 2.Qe5#
- 1...Sxc2
- 2.Qxc3#
- 2.Qe5#
- 1...Sxf3
- 2.Qxc3#
- 1...Sxc6
- 2.Qxc3#
- 1...Rb3
- 2.Qd4#
- 1...Rc4
- 2.Qe5#
- 1...Re3
- 2.Qd4#
- 1...Sd3
- 2.Qxc3#
- 2.Qd4#
- 1...Se6
- 2.Qxc3#
- 2.Qe5#
- 1...Sf7
- 2.Qxc3#
- 2.Qd4#
- 1...Rd3!
- threat
- 1.Rg3?
- threat
- 2.Qxc3#
- 2.Qd4#
- 2.Qe5#
- 1...Rxc2
- 2.Qd4#
- 2.Qe5#
- 1...Rxa3
- 2.Qd4#
- 2.Qe5#
- 1...Rxf3
- 2.Qe5#
- 1...Sxc2
- 2.Qxc3#
- 2.Qe5#
- 1...Sxf3
- 2.Qxc3#
- 1...Sxc6
- 2.Qxc3#
- 1...Rb3
- 2.Qd4#
- 1...Rc4
- 2.Qe5#
- 1...Re3
- 2.Qd4#
- 1...Sd3
- 2.Qxc3#
- 2.Qd4#
- 1...Se6
- 2.Qxc3#
- 2.Qe5#
- 1...Sf7
- 2.Qxc3#
- 2.Qd4#
- 1...Rd3!
- threat
- 1.Rg4?
- threat
- 2.Qxc3#
- 2.Qd4#
- 2.Qe5#
- 1...Rxc2
- 2.Qd4#
- 2.Qe5#
- 1...Rxa3
- 2.Qd4#
- 2.Qe5#
- 1...Rxf3
- 2.Qd4#
- 2.Qe5#
- 1...Sxc2
- 2.Qxc3#
- 2.Qe5#
- 1...Sxf3
- 2.Qxc3#
- 1...Sxc6
- 2.Qxc3#
- 1...Rb3
- 2.Qd4#
- 2.Qe5#
- 1...Rc4
- 2.Qe5#
- 1...Re3
- 2.Qd4#
- 1...Sd3
- 2.Qxc3#
- 2.Qd4#
- 1...Se6
- 2.Qxc3#
- 2.Qe5#
- 1...Sf7
- 2.Qxc3#
- 2.Qd4#
- 1...Rd3!
- threat
- 1.Rg5?
- threat
- 2.Qxc3#
- 2.Qd4#
- 2.Qe5#
- 2.f6#
- 1...Rxc2
- 2.Qd4#
- 2.Qe5#
- 2.f6#
- 1...Rxa3
- 2.Qd4#
- 2.Qe5#
- 2.f6#
- 1...Rxf3
- 2.Qe5#
- 1...Sxc2
- 2.Qxc3#
- 2.Qe5#
- 2.f6#
- 1...Sxf3
- 2.Qxc3#
- 1...Sxc6
- 2.Qxc3#
- 1...Rb3
- 2.Qd4#
- 1...Rc4
- 2.Qe5#
- 2.f6#
- 1...Re3
- 2.Qd4#
- 1...Sd3
- 2.Qxc3#
- 2.Qd4#
- 1...Se6
- 2.Qxc3#
- 2.Qe5#
- 2.fxe6#
- 1...Sf7
- 2.Qxc3#
- 2.Qd4#
- 1...Rd3!
- threat
- 1.Rg6?
- threat
- 2.Qxc3#
- 2.Qd4#
- 2.Qe5#
- 1...Rxc2
- 2.Qd4#
- 2.Qe5#
- 1...Rxa3
- 2.Qd4#
- 2.Qe5#
- 1...Rxf3
- 2.Qe5#
- 1...Sxc2
- 2.Qxc3#
- 2.Qe5#
- 1...Sxf3
- 2.Qxc3#
- 1...Sxc6
- 2.Rxc6#
- 2.Qxc3#
- 1...Rb3
- 2.Qd4#
- 1...Rc4
- 2.Qe5#
- 1...Re3
- 2.Qd4#
- 1...Sd3
- 2.Qxc3#
- 2.Qd4#
- 1...Se6
- 2.Qxc3#
- 2.Qe5#
- 1...Sf7
- 2.Qxc3#
- 2.Qd4#
- 1...Rd3!
- threat
- 1.Ra7?
- threat
- 2.Qxc3#
- 2.Qd4#
- 2.Qe5#
- 1...Rxc2
- 2.Qd4#
- 2.Qe5#
- 1...Rxa3
- 2.Qd4#
- 2.Qe5#
- 1...Rxf3
- 2.Qe5#
- 1...Sxc2
- 2.Qxc3#
- 2.Qe5#
- 1...Sxf3
- 2.Qxc3#
- 1...Sxc6
- 2.Qxc3#
- 1...Rb3
- 2.Qd4#
- 1...Rc4
- 2.Qe5#
- 1...Re3
- 2.Qd4#
- 1...Sd3
- 2.Qxc3#
- 2.Qd4#
- 1...Se6
- 2.Qxc3#
- 2.Qe5#
- 1...Sf7
- 2.Qxc3#
- 2.Qd4#
- 1...Rd3!
- threat
- 1.Rc7?
- threat
- 2.Qxc3#
- 2.Qd4#
- 2.Qe5#
- 1...Rxc2
- 2.Qd4#
- 2.Qe5#
- 1...Rxa3
- 2.Qd4#
- 2.Qe5#
- 1...Rxf3
- 2.Qe5#
- 1...Sxc2
- 2.Qxc3#
- 2.Qe5#
- 1...Sxf3
- 2.Qxc3#
- 1...Rb3
- 2.Qd4#
- 1...Rc4
- 2.Qe5#
- 1...Re3
- 2.Qd4#
- 1...Sd3
- 2.Qxc3#
- 2.Qd4#
- 1...Se6
- 2.Qxc3#
- 2.Qe5#
- 1...Sf7
- 2.Qxc3#
- 2.Qd4#
- 1...Rd3!
- threat
- 1.Rd7?
- threat
- 2.Rd5#
- 2.Qxc3#
- 2.Qd4#
- 2.Qe5#
- 1...Rxc2
- 2.Rd5#
- 2.Qd4#
- 2.Qe5#
- 1...Rxa3
- 2.Rd5#
- 2.Qd4#
- 2.Qe5#
- 1...Rxf3
- 2.Rd5#
- 2.Qd4#
- 2.Qe5#
- 1...Sxc2
- 2.Rd5#
- 2.Qxc3#
- 2.Qe5#
- 1...Sxf3
- 2.Rd5#
- 2.Qxc3#
- 1...Sxc6
- 2.Rd5#
- 2.Qxc3#
- 1...Rb3
- 2.Qd4#
- 1...Re3
- 2.Rd5#
- 2.Qd4#
- 1...Rc4
- 2.Qe5#
- 1...Sd3
- 2.Rd5#
- 2.Qxc3#
- 2.Qd4#
- 1...Se6
- 2.Rd5#
- 2.Qxc3#
- 2.Qe5#
- 1...Sf7
- 2.Rd5#
- 2.Qxc3#
- 2.Qd4#
- 1...Rd3!
- threat
- 1.Re7?
- threat
- 2.Re5#
- 2.Qxc3#
- 2.Qd4#
- 2.Qe5#
- 1...Rxc2
- 2.Re5#
- 2.Qd4#
- 2.Qe5#
- 1...Rxa3
- 2.Re5#
- 2.Qd4#
- 2.Qe5#
- 1...Rxf3
- 2.Qe5#
- 1...Sxc2
- 2.Re5#
- 2.Qxc3#
- 2.Qe5#
- 1...Sxf3
- 2.Qxc3#
- 1...Sxc6
- 2.Qxc3#
- 1...Rb3
- 2.Qd4#
- 1...Rc4
- 2.Re5#
- 2.Qe5#
- 1...Re3
- 2.Qd4#
- 1...Sd3
- 2.Qxc3#
- 2.Qd4#
- 1...Se6
- 2.Qxc3#
- 2.Qe5#
- 1...Sf7
- 2.Qxc3#
- 2.Qd4#
- 1...Rd3!
- threat
- 1.Rf7?
- threat
- 2.Qxc3#
- 2.Qd4#
- 2.Qe5#
- 1...Rxc2
- 2.Qd4#
- 2.Qe5#
- 1...Rxa3
- 2.Qd4#
- 2.Qe5#
- 1...Rxf3
- 2.Qe5#
- 1...Sxc2
- 2.Qxc3#
- 2.Qe5#
- 1...Sxf3
- 2.Qxc3#
- 1...Sxc6
- 2.Qxc3#
- 1...Sxf7
- 2.Qxc3#
- 2.Qd4#
- 1...Rb3
- 2.Qd4#
- 1...Rc4
- 2.Qe5#
- 1...Re3
- 2.Qd4#
- 1...Sd3
- 2.Qxc3#
- 2.Qd4#
- 1...Se6
- 2.Qxc3#
- 2.Qe5#
- 1...Rd3!
- threat
- 1.Rh7?
- threat
- 2.Qxc3#
- 2.Qd4#
- 2.Qe5#
- 1...Rxc2
- 2.Qd4#
- 2.Qe5#
- 1...Rxa3
- 2.Qd4#
- 2.Qe5#
- 1...Rxf3
- 2.Qe5#
- 1...Sxc2
- 2.Qxc3#
- 2.Qe5#
- 1...Sxf3
- 2.Qxc3#
- 1...Sxc6
- 2.Qxc3#
- 1...Rb3
- 2.Qd4#
- 1...Rc4
- 2.Qe5#
- 1...Re3
- 2.Qd4#
- 1...Sd3
- 2.Qxc3#
- 2.Qd4#
- 1...Se6
- 2.Qxc3#
- 2.Qe5#
- 1...Sf7
- 2.Qxc3#
- 2.Qd4#
- 1...Rd3!
- threat
- 1.Qh4?
- threat
- 2.Qe7#
- 2.Qb4#
- 2.Qd4#
- 1...Rxf3
- 2.Qb4#
- 2.Qc4#
- 1...Sxc2
- 2.Qe7#
- 1...Sxf3
- 2.Qb4#
- 1...Rb3
- 2.Qd4#
- 1...Rc4
- 2.Qxc4#
- 1...Rd3
- 2.Qb4#
- 2.Qc4#
- 1...Re3
- 2.Qb4#
- 2.Qc4#
- 2.Qd4#
- 1...Sd3
- 2.Qe7#
- 2.Qd4#
- 1...Se6
- 2.Qe7#
- 2.Qb4#
- 1...Sb7
- 2.Qb4#
- 2.Qd4#
- 1...Sf7
- 2.Qb4#
- 2.Qd4#
- 1...Sxc6!
- threat
- 1.Rg1?
- Keys
- 1.Rb7!
- threat
- 2.Bb4#
- 2.Qxc3#
- 2.Qd4#
- 2.Qe5#
- 1...Rxc2
- 2.Bb4#
- 2.Qd4#
- 2.Qe5#
- 1...Rxa3
- 2.Qd4#
- 2.Qe5#
- 1...Rxf3
- 2.Bb4#
- 2.Qe5#
- 1...Sxc2
- 2.Qxc3#
- 2.Qe5#
- 1...Sxf3
- 2.Bb4#
- 2.Qxc3#
- 1...Sxc6
- 2.Qxc3#
- 1...Sxb7
- 2.Qxc3#
- 2.Qd4#
- 2.Qe5#
- 1...Rb3
- 2.Qd4#
- 1...Rc4
- 2.Qe5#
- 1...Rd3
- 2.Bb4#
- 1...Re3
- 2.Bb4#
- 2.Qd4#
- 1...Sd3
- 2.Qxc3#
- 2.Qd4#
- 1...Se6
- 2.Bb4#
- 2.Qxc3#
- 2.Qe5#
- 1...Sf7
- 2.Bb4#
- 2.Qxc3#
- 2.Qd4#
- threat
- 1.Rb7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- Tries
- Try
- R(K);
- Threat
- DUALS(3)
- Vars
- R(b);XS(D)::QAR2(N)
- S(a);XS(D)::QAR2(N),XR(b)
- S(d);XP(J)::QAR2(N),XR(b)
- R(b);::QAB1(N)
- R(b);::QAR2(N)
- Refutation
- R(b);
- Try
- R(K);
- Threat
- DUALS(3)
- Vars
- R(b);XS(D)::QAR2(N)
- S(a);XS(D)::QAR2(N),XR(b)
- S(d);XP(J)::QAR2(N),XR(b)
- R(b);::QAB1(N)
- R(b);::QAR2(N)
- Refutation
- R(b);
- Try
- R(K);
- Threat
- DUALS(3)
- Vars
- R(b);XS(D)::QAR2(N)
- S(a);XS(D)::QAR2(N),XR(b)
- S(d);XP(J)::QAR2(N),XR(b)
- R(b);::QAB1(N)
- R(b);::QAR2(N)
- Refutation
- R(b);
- Try
- R(K);
- Threat
- DUALS(3)
- Vars
- S(a);XS(D)::QAR2(N),XR(b)
- S(d);XP(J)::QAR2(N),XR(b)
- R(b);::QAR2(N)
- R(b);::QAB1(N)
- Refutation
- R(b);
- Try
- R(K);
- Threat
- DUALS(4)
- Vars
- R(b);XS(D)::QAR2(N)
- S(a);XS(D)::QAR2(N),XR(b)
- S(d);XP(J)::QAR2(N),XR(b)
- R(b);::QAB1(N)
- Refutation
- R(b);
- Try
- R(K);
- Threat
- DUALS(3)
- Vars
- R(b);XS(D)::QAR2(N)
- S(a);XS(D)::QAR2(N),XR(b)
- R(b);::QAB1(N)
- R(b);::QAR2(N)
- Refutation
- R(b);
- Try
- R(K);
- Threat
- DUALS(3)
- Vars
- R(b);XS(D)::QAR2(N)
- S(a);XS(D)::QAR2(N),XR(b)
- S(d);XP(J)::QAR2(N),XR(b)
- R(b);::QAB1(N)
- R(b);::QAR2(N)
- Refutation
- R(b);
- Try
- R(K);
- Threat
- DUALS(3)
- Vars
- R(b);XS(D)::QAR2(N)
- S(a);XS(D)::QAR2(N),XR(b)
- R(b);::QAB1(N)
- R(b);::QAR2(N)
- Refutation
- R(b);
- Try
- R(K);
- Threat
- DUALS(4)
- Vars
- R(b);::QAB1(N)
- R(b);::QAR2(N)
- Refutation
- R(b);
- Try
- R(K);
- Threat
- DUALS(4)
- Vars
- R(b);XS(D)::QAR2(N)
- S(a);XS(D)::QAR2(N),XR(b)
- S(d);XP(J)::QAR2(N),XR(b)
- R(b);::QAB1(N)
- Refutation
- R(b);
- Try
- R(K);
- Threat
- DUALS(3)
- Vars
- R(b);XS(D)::QAR2(N)
- S(a);XS(D)::QAR2(N),XR(b)
- S(d);XP(J)::QAR2(N),XR(b)
- R(b);::QAB1(N)
- R(b);::QAR2(N)
- Refutation
- R(b);
- Try
- R(K);
- Threat
- DUALS(3)
- Vars
- R(b);XS(D)::QAR2(N)
- S(a);XS(D)::QAR2(N),XR(b)
- S(d);XP(J)::QAR2(N),XR(b)
- R(b);::QAB1(N)
- R(b);::QAR2(N)
- Refutation
- R(b);
- Try
- Q(N);
- Threat
- DUALS(3)
- Vars
- S(a);XP(B)::QAB(N)
- S(a);XS(D)::QAB1(N)
- R(b);::QAB1(N)
- R(b);N_GUARD::QAR1(N),XR(b)
- Refutation
- S(d);XP(J)
- Try
- Actual
- R(K);
- Threat
- DUALS(4)
- Vars
- S(d);XP(J)::QAR2(N),XR(b)
- R(b);::QAB1(N)
- R(b);::QAR2(N)
- R(b);::B(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).