MESON Chess Problem Database
Problem Display
PID: 218427 (8/3K4/3B4/1p1k4/2ppp3/8/1pn5/RQ3B2 w - - 0 1)
Chadwick, J
British Chess Magazine, 1921
#2
5 + 7
SOLUTION
- SOUND
- Sets
- 1...bxa1Q
- 2.Qxb5#
- 1...bxa1S
- 2.Qxb5#
- 1...bxa1B
- 2.Qxb5#
- 1...bxa1R
- 2.Qxb5#
- 1...c3
- 2.Qa2#
- 1...e3
- 2.Bg2#
- 1...b4
- 2.Ra5#
- 1...bxa1Q
- Tries
- 1.Bg2?
- 1...Sxa1
- 2.Bxe4#
- 2.Qxe4#
- 1...bxa1Q
- 2.Qxb5#
- 1...bxa1S
- 2.Qxb5#
- 1...bxa1B
- 2.Qxb5#
- 1...bxa1R
- 2.Qxb5#
- 1...c3
- 2.Qa2#
- 1...Se1
- 2.Bxe4#
- 2.Qxe4#
- 1...Sa3
- 2.Bxe4#
- 2.Qxe4#
- 1...Se3
- 2.Bxe4#
- 2.Qxe4#
- 1...Sb4
- 2.Bxe4#
- 2.Qxe4#
- 1...b4
- 2.Ra5#
- 1...d3!
- 1...Sxa1
- 1.Bh3?
- threat
- 2.Be6#
- 1...e3
- 2.Bg2#
- 2.Qh1#
- 1...d3!
- threat
- 1.Bxc4+?
- 1...bxc4
- 2.Ra5#
- 1...Kxc4!
- 1...bxc4
- 1.Bg2?
- Keys
- 1.Bd3!
- 1...Sxa1
- 2.Bxe4#
- 1...bxa1Q
- 2.Qxb5#
- 1...bxa1S
- 2.Qxb5#
- 1...bxa1B
- 2.Qxb5#
- 1...bxa1R
- 2.Qxb5#
- 1...cxd3
- 2.Qa2#
- 1...exd3
- 2.Qh1#
- 1...Se1
- 2.Bxe4#
- 1...Sa3
- 2.Bxe4#
- 1...Se3
- 2.Bxe4#
- 1...Sb4
- 2.Bxe4#
- 1...c3
- 2.Qa2#
- 1...e3
- 2.Qh1#
- 1...b4
- 2.Ra5#
- 1...Sxa1
- 1.Bd3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 7
- REMOVED MATES = 0
- Sets
- P(a);OGATE,XR(A)::QAR2(B),XP(f)
- P(c);OGATEB::QAB(B)
- P(e);OGATEB::B(C)
- P(f);OGATEB::R(A)
- Tries
- Try
- B(C);P_PINP(e)
- Vars
- P(a);OGATE,XR(A)::QAR2(B),XP(f)
- P(c);OGATEB::QAB(B)
- P(f);OGATEB::R(A)
- Refutation
- P(d);
- Try
- B(C);
- Threat
- B(C)
- Refutation
- P(d);
- Try
- B(C);CHECK,XP(c)
- Vars
- P(f);SBLOCK,XB(C)::R(A)
- Refutation
- K(g);S_FLIGHT,XB(C)
- Try
- Actual
- B(C);
- Vars
- S(b);XR(A)::B(C),XP(e)
- P(a);OGATE,XR(A)::QAR2(B),XP(f)
- P(c);OGATEB,XB(C)::QAB(B)
- P(e);OGATEB,XB(C)::QAB(B)
- S(b);::B(C),XP(e)
- P(c);OGATEB::QAB(B)
- P(e);OGATEB::QAB(B)
- P(f);OGATEB::R(A)
Developed and maintained by Brian Stephenson.
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