MESON Chess Problem Database
Problem Display
PID: 52022 (1Q1nn1N1/2prP3/1P1k4/2R1bP2/1B6/8/K2N2q1/3R2rB w - - 0 1)
Cheylan, Yves
3rd Prize, KNSB-100 JT, 1973
#2
11 + 8
| 102 | Probleemblad | 1974 |
| 274 | diagrammes | 1974 |
| 3771 | FIDE Album (1974-1976) | 1980 |
| 102 | Probleemblad | 2003 |
SOLUTION
- SOUND
- Sets
- 1...Qf1
- 2.Sc4#
- 2.Se4#
- 2.Rcc1#
- 2.Rc2#
- 2.Rc3#
- 2.Rc4#
- 2.Ra5#
- 2.Rb5#
- 2.Rc6#
- 2.Rxc7#
- 1...Qxh1
- 2.Sc4#
- 2.Se4#
- 1...Qf3
- 2.Sc4#
- 2.Se4#
- 1...Qh3
- 2.Sc4#
- 2.Se4#
- 2.Rcc1#
- 2.Rc2#
- 2.Rc3#
- 2.Rc4#
- 2.Ra5#
- 2.Rb5#
- 2.Rc6#
- 2.Rxc7#
- 1...Qe4
- 2.Sc4#
- 2.Sxe4#
- 1...Qd5+
- 2.Sc4#
- 1...Qc6
- 2.Sc4#
- 2.Se4#
- 2.Rd5#
- 2.Rxc6#
- 1...Qb7
- 2.Sc4#
- 2.Se4#
- 2.Rcc1#
- 2.Rc2#
- 2.Rc3#
- 2.Rc4#
- 2.Ra5#
- 2.Rb5#
- 2.Rc6#
- 2.Rxc7#
- 1...Qa8+
- 2.Ra5#
- 1...Qxd2+
- 2.Rc2#
- 1...Qe2
- 2.Rcc1#
- 2.Rc2#
- 2.Rc3#
- 2.Rc4#
- 2.Ra5#
- 2.Rb5#
- 2.Rc6#
- 2.Rxc7#
- 1...Qf2
- 2.Rc6#
- 1...Qh2
- 2.Rcc1#
- 2.Rc2#
- 2.Rc3#
- 2.Rc4#
- 2.Ra5#
- 2.Rb5#
- 2.Rc6#
- 2.Rxc7#
- 1...Qg3
- 2.Sc4#
- 2.Se4#
- 2.Rcc1#
- 2.Rc2#
- 2.Rc3#
- 2.Rc4#
- 2.Ra5#
- 2.Rb5#
- 2.Rc6#
- 2.Rxc7#
- 1...Qg4
- 2.Sc4#
- 2.Se4#
- 2.Rc4#
- 2.Rc6#
- 1...Qg5
- 2.Sc4#
- 2.Se4#
- 2.Rcc1#
- 2.Rc2#
- 2.Rc3#
- 2.Rc4#
- 2.Ra5#
- 2.Rb5#
- 2.Rc6#
- 2.Rxc7#
- 1...Qg6
- 2.Sc4#
- 2.Se4#
- 2.Rcc1#
- 2.Rc2#
- 2.Rc3#
- 2.Rc4#
- 2.Ra5#
- 2.Rb5#
- 2.Rc6#
- 2.Rxc7#
- 1...Qg7
- 2.Sc4#
- 2.Se4#
- 2.Rcc1#
- 2.Rc2#
- 2.Rc3#
- 2.Rc4#
- 2.Ra5#
- 2.Rb5#
- 2.Rc6#
- 2.Rxc7#
- 1...Qxg8+
- 2.Rc4#
- 1...Bb2
- 2.Sc4#
- 2.Se4#
- 1...Qf1
- Tries
- 1.Kb1?
- threat
- 2.Sc4#
- 2.Se4#
- 1...Qe4+
- 2.Sxe4#
- 1...Qxd2
- 2.Rcc1#
- 2.Rc2#
- 2.Rc3#
- 2.Rc4#
- 2.Ra5#
- 2.Rb5#
- 2.Rc6#
- 2.Rxc7#
- 1...Qxg8
- 2.Rcc1#
- 2.Rc2#
- 2.Rc3#
- 2.Rc4#
- 2.Ra5#
- 2.Rb5#
- 2.Rc6#
- 2.Rxc7#
- 1...Bd4
- 2.Sc4#
- 1...Rxd1+!
- threat
- 1.Kb3?
- threat
- 2.Sc4#
- 2.Se4#
- 1...Qh3+
- 2.Rc3#
- 1...Qd5+
- 2.Sc4#
- 1...Qg3+
- 2.Rc3#
- 1...Qxg8+
- 2.Rc4#
- 1...Qxd2
- 2.Rcc1#
- 2.Rc2#
- 2.Rc3#
- 2.Rc4#
- 2.Ra5#
- 2.Rb5#
- 2.Rc6#
- 2.Rxc7#
- 1...Rxd1
- 2.Sc4#
- 1...Qe4
- 2.Sc4#
- 2.Sxe4#
- 1...Bd4
- 2.Sc4#
- 1...Qf3+!
- threat
- 1.Bxg2?
- threat
- 2.Sc4#
- 2.Se4#
- 2.Rcc1#
- 2.Rc2#
- 2.Rc3#
- 2.Rc4#
- 2.Ra5#
- 2.Rb5#
- 2.Rc6#
- 2.Rxc7#
- 1...Rxe7
- 2.Sc4#
- 2.Se4#
- 2.Rxc7#
- 1...Ba1
- 2.Sc4#
- 2.Se4#
- 2.Ra5#
- 2.Rb5#
- 1...Bb2
- 2.Sc4#
- 2.Se4#
- 2.Ra5#
- 2.Rb5#
- 1...Bh2
- 2.Sf1#
- 2.Sc4#
- 2.Se4#
- 2.Ra5#
- 2.Rb5#
- 1...Bc3
- 2.Sc4#
- 2.Se4#
- 1...Bg3
- 2.Sf1#
- 2.Sc4#
- 2.Se4#
- 2.Ra5#
- 2.Rb5#
- 1...Bd4
- 2.Sc4#
- 2.Se4#
- 1...Bf4
- 2.Sc4#
- 2.Se4#
- 2.Ra5#
- 2.Rb5#
- 1...Bf6
- 2.Sc4#
- 2.Se4#
- 2.Ra5#
- 2.Rb5#
- 1...Bg7
- 2.Sc4#
- 2.Se4#
- 2.Ra5#
- 2.Rb5#
- 1...Bh8
- 2.Sc4#
- 2.Se4#
- 2.Ra5#
- 2.Rb5#
- 1...Sc6
- 2.Sc4#
- 2.Se4#
- 2.Rd5#
- 2.Rxc6#
- 1...Se6
- 2.Sc4#
- 2.Se4#
- 2.Rc6#
- 1...Sb7
- 2.Sc4#
- 2.Se4#
- 2.Rc6#
- 1...Rxg2!
- threat
- 1.Kb1?
- Keys
- 1.bxc7!
- threat
- 2.c8S#
- 1...Qd5+
- 2.Sc4#
- 1...Qa8+
- 2.Ra5#
- 1...Qxd2+
- 2.Rc2#
- 1...Qxg8+
- 2.Rc4#
- 1...Rxc7
- 2.exd8Q#
- 2.exd8R#
- 1...Rxe7
- 2.cxd8Q#
- 2.cxd8R#
- 1...Sxc7
- 2.e8S#
- threat
- 1.bxc7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 1
- Sets
- Q(b);CHECK,N_PINS(D)::S(D)
- Q(b);CHECK,N_PINS(D)::B(E)+R(F)
- Q(b);CHECK,P_SPINQ(b),XS(D)::B(E)+R(F)
- Q(b);::B(E)+R(F),DCHECK
- Q(b);CHECK,N_PINS(D),XS(K)::B(E)+R(F)
- Tries
- Try
- K(C);N_SPINS(D),P_SPINR(A),S_FLIGHT
- Threat
- DUALS(2)
- Vars
- Q(b);CHECK::R(A)+S(D),DCHECK,XQ(b)
- B(c);::S(D)
- Refutation
- R(a);CHECK,XR(A)
- Try
- K(C);N_SPINS(D),S_FLIGHT
- Threat
- DUALS(2)
- Vars
- Q(b);CHECK::B(E)+R(F)
- Q(b);CHECK::S(D)
- Q(b);CHECK,XS(K)::B(E)+R(F)
- R(a);XR(A)::S(D)
- B(c);::S(D)
- Refutation
- Q(b);CHECK
- Try
- B(B);N_SPINS(D),XQ(b)
- Threat
- DUALS(10)
- Refutation
- R(a);P_PINS(D),XB(B)
- Try
- Actual
- P(H);XP(e)
- Threat
- P=S
- Vars
- Q(b);CHECK,N_PINS(D)::S(D)
- Q(b);CHECK,N_PINS(D)::B(E)+R(F)
- Q(b);CHECK,P_SPINQ(b),XS(D)::B(E)+R(F)
- Q(b);CHECK,N_PINS(D),XS(K)::B(E)+R(F)
- R(f);P_SPINR(f),XP(H)::PXS(g)=Q
- R(f);XP(I)::PXS(g)=Q
- S(h);OGATE,P_SPINS(h),XP(H)::P=S
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).