MESON Chess Problem Database
Problem Display
PID: 243924 (4b1B1/3p1q2/1Rn5/2Nk1P2/K1N2n1r/BPP2P2/1r1b3Q/3R4 w - - 0 1)
Fleck, Ferenc
Sachove umeni (Ceskoslovensky sach), 1961
#2
12 + 9
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Se2
- 2.Qd6#
- 1...Sg2
- 2.Qd6#
- 1...Sd3
- 2.Qd6#
- 1...Sh3
- 2.Qd6#
- 1...Sh5
- 2.Qd6#
- 1...Se6
- 2.Qd6#
- 1...Sg6
- 2.Qd6#
- 1...Sd4
- 2.Rd6#
- 1...Sa5
- 2.Rd6#
- 1...Se5
- 2.Se3#
- 2.Rd6#
- 1...Sa7
- 2.Rd6#
- 1...Se7
- 2.Rd6#
- 1...Sb8
- 2.Rd6#
- 1...Sd8
- 2.Rd6#
- 1...Se2
- Tries
- 1.Sd3?
- threat
- 2.Rb5#
- 1...Bxc3
- 2.Sxf4#
- 1...Sxd3
- 2.Qd6#
- 1...Be3
- 2.Sxf4#
- 2.Sxe3#
- 1...Se6
- 2.Qd6#
- 1...Sb4
- 2.Rd6#
- 1...Sd4
- 2.Rd6#
- 1...Sa5
- 2.Rd6#
- 1...Se5
- 2.Rd6#
- 1...Sa7
- 2.Rd6#
- 1...Se7
- 2.Rd6#
- 1...Sb8
- 2.Rd6#
- 1...Sd8
- 2.Rd6#
- 1...Rxb3!
- threat
- 1.Se4?
- threat
- 2.Sf6#
- 2.Rb5#
- 1...Rh6
- 2.Rb5#
- 1...Sd3
- 2.Sf6#
- 2.Qd6#
- 1...Sh5
- 2.Se3#
- 2.Rb5#
- 2.Qd6#
- 1...Se6
- 2.Se3#
- 2.Qd6#
- 1...Sb4
- 2.Rd6#
- 1...Sd4
- 2.Sf6#
- 2.Rd6#
- 1...Sa5
- 2.Sf6#
- 2.Rd6#
- 1...Se5
- 2.Se3#
- 2.Sf6#
- 2.Rd6#
- 1...Sa7
- 2.Sf6#
- 2.Rd6#
- 1...Se7
- 2.Sf6#
- 2.Rd6#
- 1...Sb8
- 2.Sf6#
- 2.Rd6#
- 1...Sd8
- 2.Sf6#
- 2.Rd6#
- 1...Rxb3!
- threat
- 1.Sa6?
- threat
- 2.Sc7#
- 2.Rb5#
- 1...Sd3
- 2.Sc7#
- 2.Qd6#
- 1...Se6
- 2.Qd6#
- 1...Sb4
- 2.Rd6#
- 1...Sd4
- 2.Sc7#
- 2.Rd6#
- 1...Sa5
- 2.Sc7#
- 2.Rd6#
- 1...Se5
- 2.Se3#
- 2.Sc7#
- 2.Rd6#
- 1...Sa7
- 2.Sc7#
- 2.Rd6#
- 1...Se7
- 2.Sc7#
- 2.Rd6#
- 1...Sb8
- 2.Sc7#
- 2.Rd6#
- 1...Sd8
- 2.Sc7#
- 2.Rd6#
- 1...Rxb3!
- threat
- 1.Se6?
- threat
- 2.Sc7#
- 2.Rb5#
- 1...Qxe6
- 2.Rb5#
- 1...Sxe6
- 2.Qd6#
- 1...dxe6
- 2.Rb5#
- 1...Qe7
- 2.Sxf4#
- 2.Sc7#
- 1...Qf8
- 2.Sxf4#
- 2.Sc7#
- 1...Sd3
- 2.Sc7#
- 2.Qd6#
- 1...Sb4
- 2.Rd6#
- 1...Sd4
- 2.Sc7#
- 2.Rd6#
- 1...Sa5
- 2.Sc7#
- 2.Rd6#
- 1...Se5
- 2.Se3#
- 2.Sc7#
- 2.Rd6#
- 1...Sa7
- 2.Sc7#
- 2.Rd6#
- 1...Se7
- 2.Sc7#
- 2.Rd6#
- 1...Sb8
- 2.Sc7#
- 2.Rd6#
- 1...Sd8
- 2.Sc7#
- 2.Rd6#
- 1...Rxb3!
- threat
- 1.Sb7?
- threat
- 2.Rb5#
- 1...Sd3
- 2.Qd6#
- 1...Se6
- 2.Qd6#
- 1...Sb4
- 2.Rd6#
- 1...Sd4
- 2.Rd6#
- 1...Sa5
- 2.Rd6#
- 1...Se5
- 2.Se3#
- 2.Rd6#
- 1...Sa7
- 2.Rd6#
- 1...Se7
- 2.Rd6#
- 1...Sb8
- 2.Rd6#
- 1...Sd8
- 2.Rd6#
- 1...Rxb3!
- threat
- 1.Bxf7+?
- 1...Se6
- 2.Qd6#
- 1...Bxf7!
- 1...Se6
- 1.Rxd2+?
- 1...Sd3
- 2.Qd6#
- 1...Sd4
- 2.Rxd4#
- 2.Rd6#
- 1...Rxd2!
- 1...Sd3
- 1.Qxf4?
- threat
- 2.Se3#
- 2.Qd6#
- 1...Rxb3
- 2.Se3#
- 1...Sb4
- 2.Qe5#
- 2.Qd6#
- 1...Rh6
- 2.Se3#
- 2.Qe4#
- 1...Sd4
- 2.Rd6#
- 2.Qe5#
- 2.Qd6#
- 1...Se5
- 2.Se3#
- 2.Rd6#
- 2.Qxe5#
- 1...d6
- 2.Se3#
- 2.Qxd6#
- 1...Rxf4!
- threat
- 1.Sd3?
- Keys
- 1.Sxd7!
- threat
- 2.Se3#
- 2.Sf6#
- 2.Rb5#
- 1...Rxb3
- 2.Se3#
- 1...Bxd7
- 2.Rb5#
- 1...Rh6
- 2.Se3#
- 2.Rb5#
- 1...Se2
- 2.Sf6#
- 2.Rb5#
- 2.Qd6#
- 1...Sg2
- 2.Sf6#
- 2.Rb5#
- 2.Qd6#
- 1...Sd3
- 2.Sf6#
- 2.Qd6#
- 1...Sh3
- 2.Sf6#
- 2.Rb5#
- 2.Qd6#
- 1...Sh5
- 2.Rb5#
- 2.Qd6#
- 1...Se6
- 2.Qd6#
- 1...Sg6
- 2.Sf6#
- 2.Rb5#
- 2.Qd6#
- 1...Sb4
- 2.Se3#
- 2.Rd6#
- 1...Sd4
- 2.Rd6#
- 1...Sa5
- 2.Se3#
- 2.Rd6#
- 1...Se5
- 2.Se3#
- 2.Rd6#
- 1...Sa7
- 2.Se3#
- 2.Rd6#
- 1...Se7
- 2.Se3#
- 2.Rd6#
- 1...Sb8
- 2.Se3#
- 2.Rd6#
- 1...Sd8
- 2.Se3#
- 2.Rd6#
- threat
- 1.Sxd7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 11
- Sets
- S(c);OGATE,P_PINS(H)::QAR1(B)
- S(c);N_SPINB(b),OGATE,P_PINS(H)::QAR1(B)
- S(c);N_SPINQ(h),OGATE,P_PINS(H)::QAR1(B)
- S(f);N_SPINB(b),OGATE::R1(K)
- S(f);OGATE::R1(K)
- Tries
- Try
- S(I);N_PINB(b)
- Threat
- R(K)
- Vars
- B(b);XP(E)::R(A)+S(I),DCHECK,XS(c)
- S(c);OGATE,P_PINS(H),XS(I)::QAR1(B)
- S(c);N_SPINQ(h),OGATE,P_PINS(H)::QAR1(B)
- S(f);OGATE::R1(K)
- Refutation
- R(a);XP(D)
- Try
- S(I);
- Threat
- DUALS(2)
- Vars
- R(d);::R(K)
- S(f);OGATE::R1(K)
- Refutation
- R(a);XP(D)
- Try
- S(I);
- Threat
- DUALS(2)
- Vars
- S(c);N_SPINQ(h),OGATE,P_PINS(H)::QAR1(B)
- S(f);OGATE::R1(K)
- Refutation
- R(a);XP(D)
- Try
- S(I);N_PINQ(h)
- Threat
- DUALS(2)
- Vars
- Q(h);P_SPINQ(h),XS(I)::R(K)
- S(c);OGATE,P_PINS(H),XS(I)::QAR1(B)
- P(g);XS(I)::R(K)
- S(f);OGATE::R1(K)
- Refutation
- R(a);XP(D)
- Try
- S(I);
- Threat
- R(K)
- Vars
- S(c);N_SPINB(b),OGATE,P_PINS(H)::QAR1(B)
- S(c);N_SPINQ(h),OGATE,P_PINS(H)::QAR1(B)
- S(f);OGATE::R1(K)
- S(f);N_SPINB(b),OGATE::R1(K)
- Refutation
- R(a);XP(D)
- Try
- B(L);CHECK,XQ(h)
- Vars
- S(c);OGATE,P_PINS(H),P_SPINS(c)::QAR1(B)
- Refutation
- B(i);XB(L)
- Try
- R(A);CHECK,XB(b)
- Vars
- S(c);OGATE,P_PINS(H),P_SPINS(c)::QAR1(B)
- Refutation
- R(a);XR(A)
- Try
- Q(B);XS(c)
- Threat
- DUALS(2)
- Vars
- R(a);XP(D)::S(H)
- Refutation
- R(d);P_PINS(H),XQ(B)
- Try
- Actual
- S(I);XP(g)
- Threat
- DUALS(3)
- Vars
- R(a);XP(D)::S(H)
- B(i);XS(I)::R(K)
- S(c);N_SPINQ(h),OGATE,P_PINS(H)::QAR1(B)
- S(f);N_SPINB(b),OGATE,P_PINS(I)::R1(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).