MESON Chess Problem Database
Problem Display
PID: 283201 (6r1/K2N1N2/3P3r/2B2Pp1/2P1k1B1/3n2P1/2P1n3/Q4R2 w - - 0 1)
Dimitrov, Ognian
The Problemist Supplement, 2025
#2
12 + 6
| 3713 | Snap | 2026 |
SOLUTION
- SOUND
- Sets
- 1...Rh1
- 2.Sf6#
- 1...Rh2
- 2.Sf6#
- 1...Rh3
- 2.Sf6#
- 1...Rh4
- 2.Sf6#
- 1...Rh5
- 2.Sf6#
- 1...Rxd6
- 2.Sxd6#
- 1...Rf6
- 2.Sxf6#
- 1...Rh7
- 2.Sf6#
- 1...Rhh8
- 2.Sf6#
- 1...Rb8
- 2.Sxg5#
- 1...Rc8
- 2.Sxg5#
- 1...Rd8
- 2.Sxg5#
- 1...Re8
- 2.Sxg5#
- 1...Rf8
- 2.Sxg5#
- 1...Rgh8
- 2.Sxg5#
- 1...Sec1
- 2.Qd4#
- 1...Sg1
- 2.Qd4#
- 1...Sxg3
- 2.Qd4#
- 1...Sd4
- 2.Qxd4#
- 1...Sef4
- 2.Qd4#
- 1...Sdc1
- 2.Qe5#
- 1...Se1
- 2.Qe5#
- 1...Sf2
- 2.Qe5#
- 1...Sb4
- 2.Qe5#
- 1...Sdf4
- 2.Qe5#
- 1...Sxc5
- 2.Qe5#
- 1...Se5
- 2.Qxe5#
- 1...Rh1
- Tries
- 1.Sxh6?
- threat
- 2.Sf6#
- 2.Bf3#
- 1...Sxg3
- 2.Sf6#
- 2.Qd4#
- 1...Sxc5
- 2.Qe5#
- 1...Sd4
- 2.Qxd4#
- 1...Rg6
- 2.Bf3#
- 1...Rg7
- 2.Bf3#
- 1...Rf8
- 2.Bf3#
- 1...Sg1
- 2.Sf6#
- 2.Qd4#
- 1...Sc3
- 2.Bf3#
- 1...Se1
- 2.Sf6#
- 2.Qe5#
- 1...Sb2
- 2.Bf3#
- 1...Sf2
- 2.Sf6#
- 2.Qe5#
- 1...Se5
- 2.Sf6#
- 2.Qxe5#
- 1...Ra8+!
- threat
- 1.Re1?
- threat
- 2.Rxe2#
- 2.Qd4#
- 1...Rxd6
- 2.Sxd6#
- 2.Rxe2#
- 1...Sxe1
- 2.Qe5#
- 1...Sxc5
- 2.Rxe2#
- 2.Qe5#
- 1...Rh2
- 2.Sf6#
- 2.Qd4#
- 1...Sc1
- 2.Qd4#
- 2.Qe5#
- 1...Sb2
- 2.Rxe2#
- 1...Sf4
- 2.Qd4#
- 2.Qe5#
- 1...Ra8+!
- threat
- 1.Rf3?
- threat
- 2.Re3#
- 2.cxd3#
- 1...Rxd6
- 2.Sxd6#
- 2.Re3#
- 1...Sxg3
- 2.Qd4#
- 2.cxd3#
- 1...Sxc5
- 2.Sxc5#
- 2.Qe5#
- 1...Sec1
- 2.Re3#
- 2.Qd4#
- 1...Sd4
- 2.Qxd4#
- 2.cxd3#
- 1...Sef4
- 2.Re3#
- 2.Qd4#
- 1...Sdc1
- 2.Re3#
- 2.Qe5#
- 1...Se1
- 2.Re3#
- 2.Qe5#
- 1...Sb2
- 2.Re3#
- 1...Sf2
- 2.Re3#
- 2.Qe5#
- 1...Sb4
- 2.Re3#
- 2.Qe5#
- 1...Sdf4
- 2.Re3#
- 2.Qe5#
- 1...Se5
- 2.Re3#
- 2.Qxe5#
- 1...Ra8+!
- threat
- 1.Rf4+?
- 1...Sexf4
- 2.Qd4#
- 1...Sdxf4
- 2.Qe5#
- 1...gxf4!
- 1...Sexf4
- 1.Qf6?
- threat
- 2.Bf3#
- 1...Rxf6
- 2.Sxf6#
- 1...Sxg3
- 2.Qd4#
- 1...Sxc5
- 2.Qe5#
- 1...Sd4
- 2.Qxd4#
- 1...Sg1
- 2.Qd4#
- 1...Se1
- 2.Qe5#
- 1...Sf2
- 2.Qe5#
- 1...Se5
- 2.Qxe5#
- 1...Ra8+!
- threat
- 1.f6?
- threat
- 2.Bf5#
- 1...Rxf6
- 2.Sxf6#
- 1...Sxg3
- 2.Qd4#
- 1...Sxc5
- 2.Qe5#
- 1...Sd4
- 2.Qxd4#
- 1...Sef4
- 2.Qd4#
- 1...Sf2
- 2.Qe5#
- 1...Sdf4
- 2.Qe5#
- 1...Ra8+!
- threat
- 1.Sxh6?
- Keys
- 1.Qh8!
- 1...Ra8+
- 2.Qxa8#
- 1...Rxd6
- 2.Sxd6#
- 2.Qh1#
- 1...Rhxh8
- 2.Sf6#
- 1...Rgxh8
- 2.Sxg5#
- 1...Sxg3
- 2.Qd4#
- 1...Sxc5
- 2.Qe5#
- 1...Sd4
- 2.Qxd4#
- 1...Re6
- 2.Qh1#
- 1...Rh1
- 2.Sf6#
- 2.Qxh1#
- 1...Rh2
- 2.Sf6#
- 1...Rh3
- 2.Sf6#
- 1...Rh4
- 2.Sf6#
- 1...Rh5
- 2.Sf6#
- 1...Rf6
- 2.Sxf6#
- 2.Qh1#
- 1...Rhg6
- 2.Qh1#
- 1...Rh7
- 2.Sf6#
- 1...Rgg6
- 2.Qa8#
- 1...Rg7
- 2.Qa8#
- 1...Rb8
- 2.Sxg5#
- 1...Rc8
- 2.Sxg5#
- 1...Rd8
- 2.Sxg5#
- 1...Re8
- 2.Sxg5#
- 1...Rf8
- 2.Sxg5#
- 1...Sec1
- 2.Qd4#
- 1...Sg1
- 2.Qd4#
- 1...Sc3
- 2.Qd4#
- 1...Sef4
- 2.Qd4#
- 1...Sdc1
- 2.Qe5#
- 1...Se1
- 2.Qe5#
- 1...Sb2
- 2.Qe5#
- 1...Sf2
- 2.Qe5#
- 1...Sb4
- 2.Qe5#
- 1...Sdf4
- 2.Qe5#
- 1...Se5
- 2.Qxe5#
- 1...Ra8+
- 1.Qh8!
This anticipates 283881(2025)
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 7
- REMOVED MATES = 3
- Sets
- R(e);N_GUARD::S(K)
- R(e);XP(I)::S(L),XR(e)
- R(e);N_GUARD::S(K),XR(e)
- R(f);N_GUARD::S(L),XP(d)
- S(a);N_GUARD::QAR1(A)
- S(a);N_GUARD,XP(D)::QAR1(A)
- S(a);N_GUARD::QAR1(A),XS(a)
- S(b);N_GUARD::QAR1(A)
- S(b);N_GUARD,XB(G)::QAR1(A)
- S(b);N_GUARD::QAR1(A),XS(b)
- Tries
- Try
- S(L);XR(e)
- Threat
- DUALS(2)
- Vars
- S(b);N_GUARD,XB(G)::QAR1(A)
- S(a);N_GUARD::QAR1(A),XS(a)
- R(f);::B(F)
- R(f);P_PINS(K)::B(F)
- S(a);::B(F)
- S(b);::B(F)
- Refutation
- R(f);CHECK
- Try
- R(B);P_PINS(a)
- Threat
- DUALS(2)
- Vars
- S(b);N_GUARD,N_SPINS(a),XR(B)::QAR1(A)
- S(b);::R(B),XS(a)
- Refutation
- R(f);CHECK
- Try
- R(B);
- Threat
- DUALS(2)
- Vars
- S(b);::R1(B)
- Refutation
- R(f);CHECK
- Try
- R(B);CHECK
- Vars
- S(a);XR(B)::QAR1(A)
- S(b);XR(B)::QAR1(A)
- Refutation
- P(d);XR(B)
- Try
- Q(A);
- Threat
- B(F)
- Vars
- R(e);XQ(A)::S(K),XR(e)
- S(a);N_GUARD,XP(D)::QAR1(A)
- S(b);N_GUARD,XB(G)::QAR1(A)
- S(a);N_GUARD::QAR1(A),XS(a)
- S(a);N_GUARD::QAR1(A)
- S(b);N_GUARD::QAR1(A)
- S(b);N_GUARD::QAR1(A),XS(b)
- Refutation
- R(f);CHECK
- Try
- P(H);
- Threat
- B(F)
- Vars
- R(e);XP(H)::S(K),XR(e)
- S(a);N_GUARD,XP(D)::QAR1(A)
- S(b);N_GUARD,XB(G)::QAR1(A)
- S(a);N_GUARD::QAR1(A),XS(a)
- S(a);N_GUARD::QAR1(A)
- S(b);N_GUARD::QAR1(A)
- Refutation
- R(f);CHECK
- Try
- Actual
- Q(A);
- Vars
- R(f);CHECK,OGATE::QAB(A),XR(f)
- R(e);N_GUARD,XQ(A)::S(K)
- R(f);N_GUARD,XQ(A)::S(L),XP(d)
- S(a);N_GUARD,XP(D)::QAR1(A)
- S(b);N_GUARD,XB(G)::QAR1(A)
- S(a);N_GUARD::QAR1(A),XS(a)
- R(e);OGATE::QAB(A)
- R(e);N_GUARD::S(K)
- R(f);OGATE::QAB(A)
- R(f);N_GUARD::S(L),XP(d)
- S(a);N_GUARD::QAR1(A)
- S(b);N_GUARD::QAR1(A)
- S(b);N_GUARD::QAR1(A),XS(b)
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).