MESON Chess Problem Database
Problem Display
PID: 21733 (2N5/r1p1R1pq/5r2/p1Pk3N/Q4p1b/B6B/2p5/2K5 w - - 0 1)
Briais, Alexis-Adrien
Western Daily Mercury, 1920
(First published on Fri Nov 12 1920)
#2
8 + 10
| 3360 | Simple Two-move Themes | 1924 |
| 15239 | Valois Notebooks | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Qe4
- 2.Qxe4#
- 1...Qg8
- 2.Qe4#
- 1...Qxh5
- 2.Qe4#
- 1...Qh6
- 2.Qe4#
- 1...Qh8
- 2.Qe4#
- 1...Rf5
- 2.Qe4#
- 1...Rfa6
- 2.Sxf4#
- 1...Rb6
- 2.Sxf4#
- 1...Rc6
- 2.Sxf4#
- 1...Rd6
- 2.Sxf4#
- 1...Rg6
- 2.Sxf4#
- 2.Qe4#
- 1...Rh6
- 2.Sxf4#
- 1...c6
- 2.Sb6#
- 1...g5
- 2.Sxf6#
- 1...g6
- 2.Qe4#
- 1...Qe4
- Tries
- 1.Sb6+?
- 1...Rxb6
- 2.Sxf4#
- 1...cxb6!
- 1...Rxb6
- 1.Bg2+?
- 1...Qe4
- 2.Bxe4#
- 2.Qxe4#
- 1...f3!
- 1...Qe4
- 1.Be6+?
- 1...Ke5
- 2.Bb2#
- 1...Rxe6!
- 1...Ke5
- 1.Re1?
- threat
- 2.Se7#
- 1...Qe4
- 2.Qxe4#
- 1...Rf5
- 2.Qe4#
- 1...Rfa6
- 2.Sxf4#
- 1...Rb6
- 2.Sxf4#
- 1...Rc6
- 2.Sxf4#
- 1...Rd6
- 2.Sxf4#
- 1...Re6
- 2.Sxf4#
- 2.Bxe6#
- 1...Rg6
- 2.Sxf4#
- 2.Qe4#
- 1...Rh6
- 2.Sxf4#
- 1...Rf7
- 2.Be6#
- 1...Rf8
- 2.Be6#
- 1...c6
- 2.Sb6#
- 1...g5
- 2.Sxf6#
- 1...g6
- 2.Qe4#
- 1...Bxe1!
- threat
- 1.Re3?
- threat
- 2.Se7#
- 1...Qe4
- 2.Qxe4#
- 1...Rf5
- 2.Qe4#
- 1...Rfa6
- 2.Sxf4#
- 1...Rb6
- 2.Sxf4#
- 1...Rc6
- 2.Sxf4#
- 1...Rd6
- 2.Sxf4#
- 1...Re6
- 2.Sxf4#
- 2.Bxe6#
- 1...Rg6
- 2.Sxf4#
- 2.Qe4#
- 1...Rh6
- 2.Sxf4#
- 1...Rf7
- 2.Be6#
- 1...Rf8
- 2.Be6#
- 1...c6
- 2.Sb6#
- 1...g5
- 2.Sxf6#
- 1...g6
- 2.Qe4#
- 1...fxe3!
- threat
- 1.Rd7+?
- 1...Ke5
- 2.Bb2#
- 2.Qd4#
- 1...Rd6!
- 1...Ke5
- 1.Qb3+?
- 1...Kc6
- 2.Sxa7#
- 2.Bd7#
- 1...Kd4!
- 1...Kc6
- 1.Sb6+?
- Keys
- 1.Re2!
- threat
- 2.Se7#
- 1...Qe4
- 2.Qxe4#
- 1...Rf5
- 2.Qe4#
- 1...Rfa6
- 2.Sxf4#
- 1...Rb6
- 2.Sxf4#
- 1...Rc6
- 2.Sxf4#
- 1...Rd6
- 2.Sxf4#
- 1...Re6
- 2.Sxf4#
- 2.Bxe6#
- 1...Rg6
- 2.Sxf4#
- 2.Qe4#
- 1...Rh6
- 2.Sxf4#
- 1...Rf7
- 2.Be6#
- 1...Rf8
- 2.Be6#
- 1...c6
- 2.Sb6#
- 1...g5
- 2.Sxf6#
- 1...g6
- 2.Qe4#
- threat
- 1.Re2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 4
- Sets
- Q(j);N_GUARD::QAB1(D),XQ(j)
- Q(j);N_GUARD::QAB1(D)
- Q(j);N_GUARD,XS(F)::QAB1(D)
- R(f);S_CUTQ(j)::QAB1(D)
- R(f);N_GUARD::S(F),XP(b)
- P(h);N_GUARD,S_CUTR(f)::S(H)
- P(i);N_GUARD,S_CUTB(c)::S(F),XR(f)
- P(i);S_CUTQ(j)::QAB1(D)
- Tries
- Try
- S(H);CHECK
- Vars
- R(f);XS(H)::S(F),XP(b)
- Refutation
- P(h);XS(H)
- Try
- B(C);CHECK
- Refutation
- P(b);P_SPINP(b)
- Try
- B(C);CHECK
- Vars
- K(e);P-FLIGHT::B(B)
- Refutation
- R(f);XB(C)
- Try
- R(G);
- Threat
- S(H)
- Vars
- Q(j);N_GUARD::QAB1(D),XQ(j)
- R(f);S_CUTQ(j)::QAB1(D)
- R(f);N_GUARD::S(F),XP(b)
- R(f);N_GUARD::B(C)
- P(h);N_GUARD,S_CUTR(f)::S(H)
- P(i);N_GUARD,S_CUTB(c)::S(F),XR(f)
- P(i);S_CUTQ(j)::QAB1(D)
- Refutation
- B(c);XR(G)
- Try
- R(G);
- Threat
- S(H)
- Vars
- Q(j);N_GUARD::QAB1(D),XQ(j)
- R(f);S_CUTQ(j)::QAB1(D)
- R(f);N_GUARD::S(F),XP(b)
- R(f);N_GUARD::B(C)
- P(h);N_GUARD,S_CUTR(f)::S(H)
- P(i);N_GUARD,S_CUTB(c)::S(F),XR(f)
- P(i);S_CUTQ(j)::QAB1(D)
- Refutation
- P(b);XR(G)
- Try
- R(G);CHECK
- Refutation
- R(f);P_SPINR(f)
- Try
- Q(D);CHECK
- Refutation
- K(e);P-FLIGHT
- Try
- Actual
- R(G);
- Threat
- S(H)
- Vars
- Q(j);N_GUARD::QAB1(D),XQ(j)
- R(f);S_CUTQ(j)::QAB1(D)
- R(f);N_GUARD::S(F),XP(b)
- R(f);N_GUARD::B(C)
- P(h);N_GUARD,S_CUTR(f)::S(H)
- P(i);N_GUARD,S_CUTB(c)::S(F),XR(f)
- P(i);S_CUTQ(j)::QAB1(D)
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