MESON Chess Problem Database
Problem Display
PID: 21738 (2n3K1/3QbR1N/r1r3p1/2pP3B/4kN2/8/qB2PP2/3Rn2b w - - 0 1)
Hartong, Jan
Niemeijer, Meindert
1st Prize, Western Daily Mercury, 1920/II
(First published on Fri Oct 15 1920)
#2
11 + 10
| 15239 | Valois Notebooks | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Qxd5
- 2.Qxd5#
- 1...Bg5
- 2.Sxg5#
- 1...Bd6
- 2.Sg5#
- 2.Bxg6#
- 1...Bf8
- 2.Sg5#
- 1...Sg2
- 2.Bf3#
- 1...Sd3
- 2.exd3#
- 1...Sd6
- 2.Qe6#
- 2.Qxe7#
- 1...gxh5
- 2.Qf5#
- 1...g5
- 2.Qf5#
- 1...Qxd5
- Tries
- 1.Sg2?
- threat
- 2.Rf4#
- 2.Qg4#
- 1...Qxd5
- 2.Qg4#
- 2.Qxd5#
- 1...Bxg2
- 2.Qg4#
- 1...Sxg2
- 2.Bf3#
- 1...gxh5
- 2.Rf4#
- 2.Qf5#
- 1...Re6
- 2.Rf4#
- 1...Rf6
- 2.Sg5#
- 1...Bg5
- 2.Sxg5#
- 1...Bd6
- 2.Sg5#
- 2.Sf6#
- 2.Bxg6#
- 1...Bf6
- 2.Bxg6#
- 2.Qg4#
- 1...Sd3
- 2.Bf3#
- 2.exd3#
- 2.f3#
- 1...g5
- 2.Qg4#
- 2.Qf5#
- 1...Qxb2!
- threat
- 1.Sh3?
- threat
- 2.Rf4#
- 2.Qg4#
- 1...Qxd5
- 2.Qg4#
- 2.Qxd5#
- 1...gxh5
- 2.Rf4#
- 2.Qf5#
- 1...Re6
- 2.Rf4#
- 1...Rf6
- 2.S7g5#
- 1...Bf3
- 2.Rf4#
- 1...Bg5
- 2.S3xg5#
- 2.S7xg5#
- 1...Bd6
- 2.S3g5#
- 2.S7g5#
- 2.Sf6#
- 2.Bxg6#
- 1...Bf6
- 2.Bxg6#
- 2.Qg4#
- 1...Sg2
- 2.Bf3#
- 1...Sd3
- 2.exd3#
- 1...g5
- 2.Qg4#
- 2.Qf5#
- 1...Qxb2!
- threat
- 1.Sxg6?
- threat
- 2.Rf4#
- 2.Qg4#
- 2.Qf5#
- 1...Qxd5
- 2.Qg4#
- 2.Qxd5#
- 1...Re6
- 2.Rf4#
- 1...Rf6
- 2.Sg5#
- 1...Bf3
- 2.Rf4#
- 2.Qf5#
- 1...Bg5
- 2.Sxg5#
- 2.Qf5#
- 1...Bd6
- 2.Sg5#
- 2.Sf6#
- 2.Qf5#
- 1...Bf6
- 2.Qg4#
- 1...Sg2
- 2.Bf3#
- 2.Qf5#
- 1...Sd3
- 2.Qf5#
- 2.exd3#
- 1...Sd6
- 2.Rf4#
- 2.Rxe7#
- 2.Qg4#
- 2.Qe6#
- 2.Qxe7#
- 1...Rxg6+!
- threat
- 1.Qg4?
- threat
- 2.Sg2#
- 2.Sh3#
- 2.Se6#
- 2.Sxg6#
- 1...Qxb2
- 2.Sxg6#
- 1...gxh5
- 2.Sxh5#
- 2.Qf5#
- 1...Re6
- 2.Sg2#
- 2.Sh3#
- 2.Sxe6#
- 2.Sxg6#
- 1...Rf6
- 2.Sg5#
- 1...Bg2
- 2.Sxg2#
- 2.Sh3#
- 2.Se6#
- 2.Sxg6#
- 1...Bg5
- 2.Sxg5#
- 1...Bd6
- 2.Sg5#
- 2.Sf6#
- 2.Bxg6#
- 2.Qxg6#
- 1...Sg2
- 2.Sxg2#
- 2.Qf3#
- 1...Sd3
- 2.exd3#
- 1...g5
- 2.Sg2#
- 2.Sh3#
- 2.Se6#
- 2.Sg6#
- 2.Qf5#
- 1...Bf3!
- threat
- 1.Qxe7+?
- 1...Re6
- 2.Sg5#
- 2.Bxg6#
- 1...Sxe7+!
- 1...Re6
- 1.Sg2?
- Keys
- 1.Sd3!
- threat
- 2.Rf4#
- 1...Qxd5
- 2.Qg4#
- 1...Sxd3
- 2.exd3#
- 1...Rd6
- 2.Sxc5#
- 1...Bd6
- 2.Sf6#
- 1...Sd6
- 2.Qe6#
- 1...Rf6
- 2.Sg5#
- 1...Bg5
- 2.Sxg5#
- 1...Bf6
- 2.Bxg6#
- 1...Sg2
- 2.Bf3#
- 1...g5
- 2.Qf5#
- threat
- 1.Sd3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 5
- REMOVED MATES = 2
- Sets
- Q(c);OGATE,P_PINR(I),XP(F)::QAB1(H),XQ(c)
- B(i);N_GUARD::S(J),XB(i)
- B(i);N_GUARD::S(J)
- S(a);N_GUARD,S_CUTB(b)::B(G)
- S(a);OGATE::P(C),XS(a)
- P(h);N_GUARD,XB(G)::QAB1(H)
- P(h);N_GUARD::QAB1(H)
- Tries
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- B(b);XS(E)::QAR2(H)
- S(a);N_GUARD,XS(E)::B(G)
- R(g);::R1(I)
- R(g);S_CUTB(i)::S(J)
- B(i);N_GUARD::S(J),XB(i)
- Refutation
- Q(c);XB(B)
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- R(g);::R1(I)
- R(g);S_CUTB(i)::S(J)
- B(b);::R1(I)
- S(a);N_GUARD,S_CUTB(b)::B(G)
- S(a);OGATE::P(C),XS(a)
- Refutation
- Q(c);XB(B)
- Try
- S(E);XP(h)
- Threat
- DUALS(3)
- Vars
- R(g);::R1(I)
- R(g);S_CUTB(i)::S(J)
- B(i);::QAR2(H)
- Refutation
- R(g);CHECK,XS(E)
- Try
- Q(H);
- Threat
- DUALS(4)
- Vars
- Q(c);XB(B)::QAR(H)+S(E),XP(h)
- R(g);S_CUTB(i)::S(J)
- B(i);N_GUARD::S(J),XB(i)
- S(a);OGATE::P(C),XS(a)
- Refutation
- B(b);
- Try
- Q(H);CHECK,XB(i)
- Refutation
- S(j);CHECK,XQ(H)
- Try
- Actual
- S(E);
- Threat
- R1(I)
- Vars
- Q(c);P_PINR(I),SBLOCK,XP(F)::QAR2(H)
- S(a);OGATE,XS(E)::P(C),XS(a)
- R(g);N_GUARD,S_CUTB(i)::S(E),XP(e)
- B(i);N_GUARD,S_CUTR(g)::S(J)
- S(j);S_CUTR(g)::QAR2(H)
- R(g);S_CUTB(i)::S(J)
- B(i);N_GUARD::S(J),XB(i)
- B(i);S_CUTR(g)::B(G),XP(h)
- S(a);N_GUARD,S_CUTB(b)::B(G)
- P(h);N_GUARD::QAB1(H)
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CSS/Javascript (jQuery, Bootstrap & DataTables).