MESON Chess Problem Database
Problem Display
PID: 206772 (8/8/8/3R1n1Q/2kbN2R/3N4/P2P1P2/1K5B w - - 0 1)
Demasure, Armand
L'Illustration, 1870
#2
10 + 3
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Ba1
- 2.Sd6#
- 1...Bb2
- 2.Sd6#
- 1...Bxf2
- 2.Sd6#
- 1...Bc3
- 2.Sd6#
- 1...Be3
- 2.Sd6#
- 1...Bc5
- 2.Sd6#
- 1...Be5
- 2.Sd6#
- 1...Bb6
- 2.Sd6#
- 1...Bf6
- 2.Sd6#
- 1...Ba7
- 2.Sd6#
- 1...Bg7
- 2.Sd6#
- 1...Bh8
- 2.Sd6#
- 1...Ba1
- Tries
- 1.Sc3?
- 1...Kxd3
- 2.Qe2#
- 1...Se3
- 2.Rhxd4#
- 2.Rdxd4#
- 1...Sg3
- 2.Rhxd4#
- 2.Rdxd4#
- 1...Sd6
- 2.Rhxd4#
- 2.Rdxd4#
- 1...Sh6
- 2.Rhxd4#
- 2.Rdxd4#
- 1...Se7
- 2.Rhxd4#
- 2.Rdxd4#
- 1...Sg7
- 2.Rhxd4#
- 2.Rdxd4#
- 1...Sxh4!
- 1...Kxd3
- 1.Sg3?
- 1...Kxd3
- 2.Qe2#
- 1...Sxg3
- 2.Rhxd4#
- 2.Rdxd4#
- 1...Se3
- 2.Rhxd4#
- 2.Rdxd4#
- 1...Sd6
- 2.Rhxd4#
- 2.Rdxd4#
- 1...Sh6
- 2.Rhxd4#
- 2.Rdxd4#
- 1...Se7
- 2.Rhxd4#
- 2.Rdxd4#
- 1...Sg7
- 2.Rhxd4#
- 2.Rdxd4#
- 1...Sxh4!
- 1...Kxd3
- 1.Sd6+?
- 1...Sxd6
- 2.Rhxd4#
- 2.Rdxd4#
- 1...Kxd3!
- 1...Sxd6
- 1.Qd1?
- threat
- 2.Qb3#
- 1...Kxd3
- 2.Qf1#
- 1...Kxd5!
- threat
- 1.Qe2?
- 1...Bxf2
- 2.Sd6#
- 1...Sxh4
- 2.Sd6#
- 1...Bc5
- 2.Sd6#
- 1...Ba1
- 2.Sd6#
- 1...Bb2
- 2.Sd6#
- 1...Bc3
- 2.Sd6#
- 1...Be3
- 2.Sd6#
- 1...Be5
- 2.Sd6#
- 1...Bb6
- 2.Sd6#
- 1...Bf6
- 2.Sd6#
- 1...Ba7
- 2.Sd6#
- 1...Bg7
- 2.Sd6#
- 1...Bh8
- 2.Sd6#
- 1...Se3
- 2.Sd6#
- 1...Sg3
- 2.Sd6#
- 1...Sd6
- 2.Sxd6#
- 1...Sh6
- 2.Sd6#
- 1...Se7
- 2.Sd6#
- 1...Sg7
- 2.Sd6#
- 1...Kxd5!
- 1...Bxf2
- 1.Sc3?
- Keys
- 1.Qg6!
- 1...Kxd3
- 2.Qa6#
- 1...Kxd5
- 2.Sd6#
- 1...Bxf2
- 2.Sd6#
- 1...Sxh4
- 2.Sd6#
- 1...Ba1
- 2.Sd6#
- 2.Qc6#
- 1...Bb2
- 2.Sd6#
- 2.Qc6#
- 1...Bc3
- 2.Sd6#
- 2.Qc6#
- 1...Be3
- 2.Sd6#
- 1...Bc5
- 2.Sd6#
- 1...Be5
- 2.Sd6#
- 2.Qc6#
- 1...Bb6
- 2.Sd6#
- 1...Bf6
- 2.Sd6#
- 1...Ba7
- 2.Sd6#
- 1...Bg7
- 2.Sd6#
- 2.Qc6#
- 1...Bh8
- 2.Sd6#
- 2.Qc6#
- 1...Se3
- 2.Sd6#
- 1...Sg3
- 2.Sd6#
- 1...Sd6
- 2.Sxd6#
- 1...Sh6
- 2.Sd6#
- 1...Se7
- 2.Sd6#
- 1...Sg7
- 2.Sd6#
- 1...Kxd3
- 1.Qg6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 9
- REMOVED MATES = 6
- Sets
- B(b);::R(H)+S(G),DCHECK
- B(b);XP(E)::R(H)+S(G),DCHECK
- Tries
- Try
- S(G);P_PINB(b)
- Vars
- K(a);OGATEB,S_FLIGHT,XS(F)::QAB1(J)
- Refutation
- S(c);N_SPINB(b),XR(H)
- Try
- S(G);P_PINB(b)
- Vars
- K(a);OGATEB,S_FLIGHT,XS(F)::QAB1(J)
- Refutation
- S(c);N_SPINB(b),XR(H)
- Try
- S(G);CHECK,P_PINB(b)
- Refutation
- K(a);S_FLIGHT,XS(F)
- Try
- Q(J);
- Threat
- QAB1(J)
- Vars
- K(a);OGATEB,P_SPINB(b),S_FLIGHT,XS(F)::QAB(J)
- Refutation
- K(a);S_FLIGHT,XR(I)
- Try
- Q(J);
- Vars
- B(b);XP(E)::R(H)+S(G),DCHECK
- S(c);N_GUARD,XR(H)::S(G)
- B(b);::R(H)+S(G),DCHECK
- S(c);N_GUARD::S(G)
- S(c);N_GUARD::S(G),XS(c)
- Refutation
- K(a);S_FLIGHT,XR(I)
- Try
- Actual
- Q(J);
- Vars
- K(a);P_SPINB(b),S_FLIGHT,XS(F)::QAB(J)
- K(a);S_FLIGHT,XR(I)::B(B)+S(G)
- B(b);XP(E)::R(H)+S(G),DCHECK
- S(c);N_GUARD,XR(H)::S(G)
- B(b);::R(H)+S(G),DCHECK
- S(c);N_GUARD::S(G)
- S(c);N_GUARD::S(G),XS(c)
Developed and maintained by Brian Stephenson.
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CSS/Javascript (jQuery, Bootstrap & DataTables).