MESON Chess Problem Database
Problem Display
PID: 253687 (K7/1p6/8/B3Rp2/2k3b1/2P2r2/1rn1RbQ1/1NN2n2 w - - 0 1)
Briais, Alexis-Adrien
Western Morning News, 1921
(First published on Sat May 28 1921)
#2
8 + 9
| 15239 | Valois Notebooks | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Rxc3
- 2.Qd5#
- 1...Re3
- 2.Qd5#
- 1...Rg3
- 2.Qd5#
- 1...Rh3
- 2.Qd5#
- 1...Rf4
- 2.Qd5#
- 1...Bh3
- 2.Qg8#
- 1...Sd2
- 2.Sxd2#
- 1...Sh2
- 2.Sd2#
- 1...Sfe3
- 2.Sd2#
- 1...Sg3
- 2.Sd2#
- 1...Sa1
- 2.Sa3#
- 1...Se1
- 2.Sa3#
- 1...Sa3
- 2.Sxa3#
- 1...Sce3
- 2.Sa3#
- 1...Sd4
- 2.Sa3#
- 1...Rxc3
- Tries
- 1.Qxf1?
- threat
- 2.Sd2#
- 2.R2e3#
- 2.R2e4#
- 1...Rxb1
- 2.R2e3#
- 2.R2e4#
- 1...Rxc3
- 2.R2e4#
- 1...Bc5
- 2.R2e4#
- 1...Rb4
- 2.R2e3#
- 2.R2e4#
- 1...Re3
- 2.Sd2#
- 1...Rg3
- 2.Sd2#
- 2.R2e4#
- 1...Rh3
- 2.Sd2#
- 2.R2e4#
- 1...Rf4
- 2.Sd2#
- 2.R2e4#
- 1...Be1
- 2.R2e4#
- 1...Bg1
- 2.Sd2#
- 2.R2e4#
- 1...Be3
- 2.Rf2#
- 1...Bg3
- 2.Sd2#
- 2.R2e4#
- 1...Bd4
- 2.Sd2#
- 1...Bh4
- 2.Sd2#
- 2.R2e4#
- 1...Bb6
- 2.Sd2#
- 2.R2e4#
- 1...Ba7
- 2.Sd2#
- 2.R2e4#
- 1...Bh3
- 2.Sd2#
- 2.R2e4#
- 1...Sa1
- 2.Sa3#
- 2.R2e4#
- 1...Se1
- 2.Sa3#
- 2.R2e4#
- 1...Sa3
- 2.Sxa3#
- 2.R2e4#
- 1...Se3
- 2.Sa3#
- 1...Sb4
- 2.R2e4#
- 1...Sd4
- 2.Sa3#
- 1...Rd3!
- threat
- 1.Qxf3?
- threat
- 2.Qd5#
- 2.Qd3#
- 1...Bc5
- 2.Qd3#
- 1...Rb5
- 2.Qd3#
- 1...Be3
- 2.Qd5#
- 1...Sfe3
- 2.Sd2#
- 1...Se1
- 2.Sa3#
- 2.Qd5#
- 1...Sce3
- 2.Sa3#
- 2.Qf4#
- 1...Sb4
- 2.Sa3#
- 1...Bxf3!
- threat
- 1.Qxg4+?
- 1...Rf4
- 2.Qg8#
- 1...Bd4
- 2.Qg8#
- 1...Sd4
- 2.Sa3#
- 1...f4
- 2.Qe6#
- 2.Qg8#
- 1...fxg4!
- 1...Rf4
- 1.Qxf1?
- Keys
- 1.R2e3!
- threat
- 2.Qxf1#
- 1...Rxe3
- 2.Qd5#
- 1...Bxe3
- 2.Qe2#
- 1...Sfxe3
- 2.Sd2#
- 1...Scxe3
- 2.Sa3#
- 1...Rg3
- 2.Qd5#
- 1...Rh3
- 2.Qd5#
- 1...Rf4
- 2.Qd5#
- 1...Be1
- 2.Qe2#
- 1...Bg1
- 2.Qe2#
- 1...Bg3
- 2.Qe2#
- 1...Bh4
- 2.Qe2#
- 1...Bh3
- 2.Qg8#
- 1...Sd2
- 2.Sxd2#
- 1...Sh2
- 2.Sd2#
- 1...Sg3
- 2.Sd2#
- 1...Sa1
- 2.Sa3#
- 1...Se1
- 2.Sa3#
- 1...Sa3
- 2.Sxa3#
- 1...Sb4
- 2.Sa3#
- 1...Sd4
- 2.Sa3#
- threat
- 1.R2e3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 1
- Sets
- R(e);OGATE,XP(E)::QAB1(D)
- R(e);OGATE::QAB1(D)
- B(g);OGATE::QAB(D)
- S(a);N_GUARD::S(A),XS(a)
- S(a);N_GUARD::S(A)
- S(c);N_GUARD::S(A)
- S(c);N_GUARD::S(A),XS(c)
- Tries
- Try
- Q(D);XS(a)
- Threat
- DUALS(3)
- Vars
- R(e);XP(E)::QAB(D)+R(C),DCHECK
- B(d);::QAB(D)+R(C),DCHECK
- R(e);::S(A)
- B(d);S_CUTR(e)::QAB(D)+R(C)
- B(d);::S(A)
- S(c);N_GUARD::S(A)
- S(c);::QAB(D)+R(C),DCHECK
- Refutation
- R(e);
- Try
- Q(D);XR(e)
- Threat
- DUALS(2)
- Vars
- B(d);::QAB1(D)
- R(b);::QAB1(D)
- S(a);N_GUARD::S(A)
- S(c);N_GUARD::S(A)
- Refutation
- B(g);XQ(D)
- Try
- Q(D);CHECK,XB(g)
- Vars
- R(e);P_SPINR(e)::QAB(D)
- B(d);P_SPINB(d)::QAB(D)
- S(c);P_SPINS(c)::S(A)
- Refutation
- P(h);XQ(D)
- Try
- Actual
- R(C);
- Threat
- QAB(D),XS(a)
- Vars
- R(e);OGATE,XR(C)::QAB1(D)
- B(d);OGATE,XR(C)::QAB(D)
- S(a);N_GUARD,XR(C)::S(A)
- S(c);N_GUARD,XR(C)::S(A)
- R(e);OGATE::QAB1(D)
- B(d);OGATE::QAB(D)
- B(g);OGATE::QAB(D)
- S(a);N_GUARD::S(A),XS(a)
- S(a);N_GUARD::S(A)
- S(c);N_GUARD::S(A)
- S(c);N_GUARD::S(A),XS(c)
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