MESON Chess Problem Database
Problem Display
PID: 189763 (7B/rp6/bK6/4q1p1/1p1kB3/1P4R1/2P5/6bQ w - - 0 1)
van Dijk, Johannes
Tijdschrift vd NSB, 1912
#2
7 + 8
| 6490 | yacpdb | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Qf6+
- 2.Bxf6#
- 1...Qg7
- 2.Bxg7#
- 1...Bd3
- 2.Rxd3#
- 1...Qf6+
- Tries
- 1.Bd5?
- threat
- 2.Qe4#
- 1...Qf6+
- 2.Bxf6#
- 1...Bd3
- 2.Rxd3#
- 1...Be3!
- threat
- 1.Bf5?
- threat
- 2.Qe4#
- 1...Qf6+
- 2.Bxf6#
- 1...Bd3
- 2.Rxd3#
- 1...Be3!
- threat
- 1.Bc6?
- threat
- 2.Qe4#
- 2.Qd5#
- 2.Qxg1#
- 1...Qxh8
- 2.Qe4#
- 2.Qd5#
- 2.Qxh8#
- 1...Qf6
- 2.Bxf6#
- 2.Qe4#
- 2.Qd5#
- 1...Qg7
- 2.Bxg7#
- 2.Qe4#
- 2.Qd5#
- 1...Be3
- 2.Qa1#
- 1...Bd3
- 2.Rxd3#
- 1...Bf2
- 2.Qe4#
- 2.Qd5#
- 2.Qa1#
- 1...Bh2
- 2.Qe4#
- 2.Qd5#
- 2.Qa1#
- 1...Bc4
- 2.Qe4#
- 2.Qxg1#
- 1...bxc6!
- threat
- 1.Bg6?
- threat
- 2.Qe4#
- 1...Qf6+
- 2.Bxf6#
- 1...Bd3
- 2.Rxd3#
- 1...Be3!
- threat
- 1.Bxb7?
- threat
- 2.Qe4#
- 2.Qd5#
- 2.Qxg1#
- 1...Qf6+
- 2.Bxf6#
- 1...Qxh8
- 2.Qe4#
- 2.Qd5#
- 2.Qxh8#
- 1...Bxb7
- 2.Rd3#
- 1...Qg7
- 2.Bxg7#
- 2.Qe4#
- 2.Qd5#
- 1...Be3
- 2.Qa1#
- 1...Bd3
- 2.Rxd3#
- 1...Bf2
- 2.Qe4#
- 2.Qd5#
- 2.Qa1#
- 1...Bh2
- 2.Qe4#
- 2.Qd5#
- 2.Qa1#
- 1...Bc4
- 2.Qe4#
- 2.Qxg1#
- 1...Rxb7+!
- threat
- 1.Bh7?
- threat
- 2.Qe4#
- 1...Qf6+
- 2.Bxf6#
- 1...Bd3
- 2.Rxd3#
- 1...Be3!
- threat
- 1.Bd5?
- Keys
- 1.Bg2!
- threat
- 2.Qxg1#
- 1...Qf6+
- 2.Bxf6#
- 1...Qxh8
- 2.Qxh8#
- 1...Qg7
- 2.Bxg7#
- 1...Be3
- 2.Qa1#
- 1...Bd3
- 2.Rxd3#
- 1...Bf2
- 2.Qa1#
- 1...Bh2
- 2.Qa1#
- threat
- 1.Bg2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- Q(d);CHECK,OGATEB::B(G),XQ(d)
- Q(d);OGATEB::B(G),XQ(d)
- B(f);N_GUARD::R1(D),XB(f)
- Tries
- Try
- B(E);
- Threat
- QAR1(A)
- Vars
- Q(d);CHECK,OGATEB::B(G),XQ(d)
- B(f);N_GUARD::R1(D),XB(f)
- Refutation
- B(a);
- Try
- B(E);
- Threat
- QAR1(A)
- Vars
- Q(d);CHECK,OGATEB::B(G),XQ(d)
- B(f);N_GUARD::R1(D),XB(f)
- Refutation
- B(a);
- Try
- B(E);
- Threat
- DUALS(3)
- Vars
- B(a);OGATE::QAB(A)
- B(f);N_GUARD::R1(D),XB(f)
- Refutation
- P(h);XB(E)
- Try
- B(E);
- Threat
- QAR1(A)
- Vars
- Q(d);CHECK,OGATEB::B(G),XQ(d)
- B(f);N_GUARD::R1(D),XB(f)
- Refutation
- B(a);
- Try
- B(E);XP(h)
- Threat
- DUALS(3)
- Vars
- Q(d);CHECK,OGATEB::B(G),XQ(d)
- B(f);N_GUARD,XB(E)::R1(D)
- B(a);OGATE::QAB(A)
- B(f);N_GUARD::R1(D),XB(f)
- Refutation
- R(g);CHECK,XB(E)
- Try
- B(E);
- Threat
- QAR1(A)
- Vars
- Q(d);CHECK,OGATEB::B(G),XQ(d)
- B(f);N_GUARD::R1(D),XB(f)
- Refutation
- B(a);
- Try
- Actual
- B(E);
- Threat
- QAB(A),XB(a)
- Vars
- Q(d);CHECK,OGATEB::B(G),XQ(d)
- Q(d);N_SPINQ(d),OGATE,XB(G)::QAB(A),XQ(d)
- Q(d);OGATEB::B(G),XQ(d)
- B(a);OGATE::QAB(A)
- B(f);N_GUARD::R1(D),XB(f)
Developed and maintained by Brian Stephenson.
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