MESON Chess Problem Database
Problem Display
PID: 120062 (3K4/B2P1N2/5p2/3k1P2/6p1/N5P1/1nQ2P2/2b5 w - - 0 1)
van Eelde, Antonie Clarus Johannes
Shakhmatnoe obozrenie, 1903
#2
9 + 5
| 6490 | yacpdb | 2009 |
| 5454 | Near Snap | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Sd1
- 2.Qc4#
- 1...Sd3
- 2.Qc4#
- 1...Sa4
- 2.Qc4#
- 1...Sc4
- 2.Qxc4#
- 1...Sd1
- Tries
- 1.Kc7?
- threat
- 2.Qc6#
- 2.d8Q#
- 2.d8R#
- 1...Sd3
- 2.Qxd3#
- 2.Qc4#
- 2.Qc6#
- 1...Bd2
- 2.Qc6#
- 2.d8Q#
- 2.d8R#
- 1...Be3
- 2.Qc6#
- 2.d8Q#
- 2.d8R#
- 1...Bg5
- 2.Qc6#
- 2.d8Q#
- 2.d8R#
- 1...Bh6
- 2.Qc6#
- 2.d8Q#
- 2.d8R#
- 1...Sd1
- 2.Qd3#
- 2.Qc4#
- 2.Qc6#
- 2.d8Q#
- 2.d8R#
- 1...Sa4
- 2.Qd3#
- 2.Qc4#
- 2.Qc6#
- 2.d8Q#
- 2.d8R#
- 1...Sc4
- 2.Qd3#
- 2.Qxc4#
- 1...Bf4+!
- threat
- 1.Ke7?
- threat
- 2.d8Q#
- 2.d8R#
- 1...Sd3
- 2.Qc4#
- 1...Sc4
- 2.Qxc4#
- 1...Bd2
- 2.d8Q#
- 2.d8R#
- 1...Be3
- 2.d8Q#
- 2.d8R#
- 1...Bg5
- 2.d8Q#
- 2.d8R#
- 1...Bh6
- 2.d8Q#
- 2.d8R#
- 1...Sd1
- 2.Qc4#
- 2.d8Q#
- 2.d8R#
- 1...Sa4
- 2.Qc4#
- 2.d8Q#
- 2.d8R#
- 1...Bf4!
- threat
- 1.Kc8?
- threat
- 2.d8Q#
- 2.d8R#
- 1...Sd3
- 2.Qc4#
- 1...Sc4
- 2.Qxc4#
- 1...Bd2
- 2.d8Q#
- 2.d8R#
- 1...Be3
- 2.d8Q#
- 2.d8R#
- 1...Bg5
- 2.d8Q#
- 2.d8R#
- 1...Bh6
- 2.d8Q#
- 2.d8R#
- 1...Sd1
- 2.Qc4#
- 2.d8Q#
- 2.d8R#
- 1...Sa4
- 2.Qc4#
- 2.d8Q#
- 2.d8R#
- 1...Bf4!
- threat
- 1.Ke8?
- threat
- 2.d8Q#
- 2.d8R#
- 1...Sd3
- 2.Qc4#
- 1...Sc4
- 2.Qxc4#
- 1...Bd2
- 2.d8Q#
- 2.d8R#
- 1...Be3
- 2.d8Q#
- 2.d8R#
- 1...Bg5
- 2.d8Q#
- 2.d8R#
- 1...Bh6
- 2.d8Q#
- 2.d8R#
- 1...Sd1
- 2.Qc4#
- 2.d8Q#
- 2.d8R#
- 1...Sa4
- 2.Qc4#
- 2.d8Q#
- 2.d8R#
- 1...Bf4!
- threat
- 1.Qb3+?
- 1...Kc6
- 2.Qb5#
- 1...Sc4
- 2.Qxc4#
- 2.Qb7#
- 1...Ke4!
- 1...Kc6
- 1.Qd3+?
- 1...Kc6
- 2.Qe4#
- 2.Qb5#
- 1...Sxd3!
- 1...Kc6
- 1.Qxc1?
- threat
- 2.Qh1#
- 1...Sd1
- 2.Qc4#
- 1...Ke4!
- threat
- 1.Qe2?
- threat
- 2.Qe6#
- 1...Kc6
- 2.Qb5#
- 2.Qe4#
- 1...Be3!
- threat
- 1.f3?
- threat
- 2.Qe4#
- 2.Qc5#
- 1...Sc4
- 2.Qe4#
- 2.Qxc4#
- 1...Be3
- 2.Qe4#
- 1...Sd3
- 2.Qc4#
- 1...Sa4
- 2.Qe4#
- 2.Qc4#
- 1...gxf3!
- threat
- 1.Kc7?
- Keys
- 1.Qb1!
- 1...Kc6
- 2.Qe4#
- 1...Sd3
- 2.Qb7#
- 1...Bf4
- 2.Qh1#
- 1...Bd2
- 2.Qh1#
- 1...Be3
- 2.Qh1#
- 1...Bg5
- 2.Qh1#
- 1...Bh6
- 2.Qh1#
- 1...Sd1
- 2.Qb7#
- 1...Sa4
- 2.Qb7#
- 1...Sc4
- 2.Qb7#
- 1...Kc6
- 1.Qb1!
This anticipates 124489(1987)
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 4
- ADDED MATES = 6
- REMOVED MATES = 0
- Sets
- S(b);N_GUARD::QAB1(A)
- S(b);N_GUARD::QAB1(A),XS(b)
- Tries
- Try
- K(I);S_FLIGHT
- Threat
- DUALS(3)
- Refutation
- B(a);CHECK
- Try
- K(I);S_FLIGHT
- Threat
- P=Q
- Vars
- S(b);N_GUARD::QAB1(A)
- S(b);N_GUARD::QAB1(A),XS(b)
- B(a);::P=Q
- Refutation
- B(a);
- Try
- K(I);P-FLIGHT
- Threat
- P=Q
- Vars
- S(b);N_GUARD::QAB1(A)
- S(b);N_GUARD::QAB1(A),XS(b)
- B(a);::P=Q
- Refutation
- B(a);
- Try
- K(I);P-FLIGHT
- Threat
- P=Q
- Vars
- S(b);N_GUARD::QAB1(A)
- S(b);N_GUARD::QAB1(A),XS(b)
- B(a);::P=Q
- Refutation
- B(a);
- Try
- Q(A);CHECK
- Vars
- K(d);S_FLIGHT::QAB1(A)
- Refutation
- K(d);S_FLIGHT
- Try
- Q(A);CHECK
- Refutation
- S(b);XQ(A)
- Try
- Q(A);XB(a)
- Threat
- QAB(A)
- Vars
- S(b);N_GUARD::QAB1(A)
- Refutation
- K(d);S_FLIGHT
- Try
- Q(A);
- Threat
- QAB1(A)
- Refutation
- B(a);
- Try
- P(B);
- Threat
- DUALS(2)
- Vars
- B(a);::QAB1(A)
- S(b);N_GUARD::QAB1(A)
- Refutation
- P(c);XP(B)
- Try
- Actual
- Q(A);
- Vars
- K(d);S_FLIGHT::QAB(A)
- S(b);OGATE::QAB(A)
- B(a);OGATE::QAB(A)
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