MESON Chess Problem Database
Problem Display
PID: 222634 (r2nbb2/8/5R1p/7p/p3k3/2p1pN2/B1K3Q1/8 w - - 0 1)
Meyer, Heinrich Friedrich Ludwig
English Mechanic and World of Science, 1883
(First published on Fri May 25 1883)
#2
5 + 10
| 6490 | yacpdb | 2020 |
| 15239 | Valois Notebooks | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Bb5
- 2.Qg6#
- 1...Bc6
- 2.Qg6#
- 1...Bg6
- 2.Qxg6#
- 1...Sf7
- 2.Qg6#
- 1...e2
- 2.Qxe2#
- 1...h4
- 2.Qg4#
- 1...Bb5
- Tries
- 1.Kb1?
- threat
- 2.Qc2#
- 1...c2+
- 2.Qxc2#
- 1...Kd3
- 2.Qc2#
- 1...e2
- 2.Qxe2#
- 1...Bb5
- 2.Qg6#
- 1...Rb8+!
- threat
- 1.Kc1?
- threat
- 2.Qc2#
- 1...Kd3
- 2.Qc2#
- 1...e2
- 2.Qxe2#
- 1...Bb5
- 2.Qg6#
- 1...c2
- 2.Qxc2#
- 1...Ba3+!
- threat
- 1.Se1+?
- 1...Kd4
- 2.Qd5#
- 1...Ke5!
- 1...Kd4
- 1.Sg1+?
- 1...Kd4
- 2.Qd5#
- 1...Ke5!
- 1...Kd4
- 1.Sd2+?
- 1...Kd4
- 2.Qd5#
- 1...Ke5!
- 1...Kd4
- 1.Sh2+?
- 1...Kd4
- 2.Qd5#
- 1...Ke5!
- 1...Kd4
- 1.Sd4+?
- 1...Kxd4
- 2.Qd5#
- 1...Ke5!
- 1...Kxd4
- 1.Sh4+?
- 1...Kd4
- 2.Qd5#
- 1...Ke5!
- 1...Kd4
- 1.Se5+?
- 1...Kd4
- 2.Qd5#
- 1...Kxe5!
- 1...Kd4
- 1.Sg5+?
- 1...Kd4
- 2.Qd5#
- 1...Ke5!
- 1...Kd4
- 1.Qf1?
- threat
- 2.Qd3#
- 2.Qc4#
- 1...e2
- 2.Qxe2#
- 1...Rc8
- 2.Qd3#
- 1...Bf7
- 2.Qd3#
- 1...Bc5
- 2.Qd3#
- 1...Sc6
- 2.Qd3#
- 1...Se6
- 2.Qd3#
- 1...Bb5!
- threat
- 1.Qe2?
- threat
- 2.Qd3#
- 2.Qc4#
- 1...Rc8
- 2.Qd3#
- 1...Bf7
- 2.Qd3#
- 1...Bc5
- 2.Qd3#
- 1...Sc6
- 2.Qd3#
- 1...Se6
- 2.Qd3#
- 1...Bb5!
- threat
- 1.Qh2?
- threat
- 2.Rf4#
- 2.Qf4#
- 2.Qe5#
- 2.Qh4#
- 1...e2
- 2.Qf4#
- 2.Qe5#
- 2.Qxe2#
- 1...Ra5
- 2.Rf4#
- 2.Qf4#
- 2.Qh4#
- 1...Bd7
- 2.Rf4#
- 2.Qf4#
- 2.Qe5#
- 1...Sc6
- 2.Rf4#
- 2.Qf4#
- 2.Qh4#
- 1...Se6
- 2.Qe5#
- 1...Sf7
- 2.Rf4#
- 2.Qf4#
- 2.Qh4#
- 1...h4
- 2.Rf4#
- 2.Qf4#
- 2.Qe5#
- 2.Qxh4#
- 1...Bd6!
- threat
- 1.Qg3?
- threat
- 2.Rf4#
- 2.Qf4#
- 2.Qh4#
- 2.Qe5#
- 1...e2
- 2.Qf4#
- 2.Qe5#
- 1...Ra5
- 2.Rf4#
- 2.Qf4#
- 2.Qh4#
- 1...Bd7
- 2.Rf4#
- 2.Qf4#
- 2.Qe5#
- 1...Sc6
- 2.Rf4#
- 2.Qf4#
- 2.Qh4#
- 1...Se6
- 2.Qe5#
- 1...Sf7
- 2.Rf4#
- 2.Qf4#
- 2.Qh4#
- 2.Qg6#
- 1...h4
- 2.Rf4#
- 2.Qf4#
- 2.Qxh4#
- 2.Qe5#
- 2.Qg4#
- 1...Bd6!
- threat
- 1.Qg5?
- threat
- 2.Bd5#
- 2.Rf4#
- 2.Qf4#
- 2.Qh4#
- 2.Qd5#
- 2.Qe5#
- 2.Qf5#
- 1...Ra5
- 2.Rf4#
- 2.Qf4#
- 2.Qh4#
- 1...Bc6
- 2.Rf4#
- 2.Qf4#
- 2.Qh4#
- 2.Qe5#
- 2.Qf5#
- 2.Qg6#
- 1...Bg6
- 2.Bd5#
- 2.Rf4#
- 2.Qf4#
- 2.Qh4#
- 2.Qd5#
- 2.Qe5#
- 2.Qxg6#
- 1...Bd7
- 2.Bd5#
- 2.Rf4#
- 2.Qf4#
- 2.Qd5#
- 2.Qe5#
- 1...Bf7
- 2.Rf4#
- 2.Qf4#
- 2.Qh4#
- 2.Qe5#
- 2.Qf5#
- 1...Bd6
- 2.Bd5#
- 2.Qd5#
- 2.Qf5#
- 1...Sc6
- 2.Bd5#
- 2.Rf4#
- 2.Qf4#
- 2.Qh4#
- 2.Qd5#
- 2.Qf5#
- 1...Se6
- 2.Bd5#
- 2.Qd5#
- 2.Qe5#
- 2.Qf5#
- 1...Sf7
- 2.Bd5#
- 2.Rf4#
- 2.Qf4#
- 2.Qh4#
- 2.Qd5#
- 2.Qf5#
- 2.Qg6#
- 1...e2
- 2.Bd5#
- 2.Qf4#
- 2.Qe5#
- 1...h4
- 2.Bd5#
- 2.Rf4#
- 2.Qf4#
- 2.Qxh4#
- 2.Qg4#
- 2.Qd5#
- 2.Qe5#
- 2.Qf5#
- 1...hxg5!
- threat
- 1.Kb1?
- Keys
- 1.Kd1!
- threat
- 2.Qc2#
- 1...c2+
- 2.Qxc2#
- 1...e2+
- 2.Qxe2#
- 1...Kd3
- 2.Qc2#
- 1...Bb5
- 2.Qg6#
- threat
- 1.Kd1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 4
- Sets
- B(i);N_GUARD::QAB(C)
- B(i);N_GUARD::QAB(C),XB(i)
- S(h);S_CUTB(i)::QAB(C)
- P(b);OGATEB::QAR2(C),XP(b)
- P(e);N_GUARD::QAR2(C)
- Tries
- Try
- K(B);S_FLIGHT
- Threat
- QAB(C)
- Vars
- P(a);CHECK::QAB(C),XP(a)
- K(d);S_FLIGHT::QAB1(C)
- P(b);OGATEB::QAR2(C),XP(b)
- B(i);N_GUARD::QAB(C)
- Refutation
- R(g);CHECK
- Try
- K(B);P-FLIGHT
- Threat
- QAB(C)
- Vars
- K(d);S_FLIGHT::QAB1(C)
- P(b);OGATEB::QAR2(C),XP(b)
- B(i);N_GUARD::QAB(C)
- P(a);::QAB(C),XP(a)
- Refutation
- B(j);CHECK
- Try
- S(D);CHECK
- Vars
- K(d);OGATE,P-FLIGHT::QAR1(C)
- Refutation
- K(d);P-FLIGHT
- Try
- S(D);CHECK
- Vars
- K(d);OGATE,P-FLIGHT::QAR1(C)
- Refutation
- K(d);P-FLIGHT
- Try
- S(D);CHECK
- Vars
- K(d);OGATE,P-FLIGHT::QAR1(C)
- Refutation
- K(d);P-FLIGHT
- Try
- S(D);CHECK
- Vars
- K(d);OGATE,P-FLIGHT::QAR1(C)
- Refutation
- K(d);P-FLIGHT
- Try
- S(D);CHECK
- Vars
- K(d);OGATE,P-FLIGHT,XS(D)::QAR1(C)
- Refutation
- K(d);P-FLIGHT
- Try
- S(D);CHECK
- Vars
- K(d);OGATE,P-FLIGHT::QAR1(C)
- Refutation
- K(d);P-FLIGHT
- Try
- S(D);CHECK
- Vars
- K(d);OGATE,P-FLIGHT::QAR1(C)
- Refutation
- K(d);P-FLIGHT,XS(D)
- Try
- S(D);CHECK
- Vars
- K(d);OGATE,P-FLIGHT::QAR1(C)
- Refutation
- K(d);P-FLIGHT
- Try
- Q(C);
- Threat
- DUALS(2)
- Vars
- P(b);OGATEB::QAR2(C),XP(b)
- R(g);::QAB1(C)
- B(i);::QAB1(C)
- B(j);::QAB1(C)
- S(h);::QAB1(C)
- Refutation
- B(i);
- Try
- Q(C);P_PINP(b)
- Threat
- DUALS(2)
- Vars
- R(g);::QAB1(C)
- B(i);::QAB1(C)
- B(j);::QAB1(C)
- S(h);::QAB1(C)
- Refutation
- B(i);
- Try
- Q(C);
- Threat
- DUALS(4)
- Vars
- S(h);::QAR1(C)
- Refutation
- B(j);
- Try
- Q(C);
- Threat
- DUALS(4)
- Vars
- S(h);::QAR1(C)
- Refutation
- B(j);
- Try
- Q(C);
- Threat
- DUALS(7)
- Refutation
- P(f);XQ(C)
- Try
- Actual
- K(B);S_FLIGHT
- Threat
- QAB(C)
- Vars
- P(a);CHECK::QAB(C),XP(a)
- P(b);CHECK,OGATEB::QAR2(C),XP(b)
- K(d);S_FLIGHT::QAB1(C)
- B(i);N_GUARD::QAB(C)
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