MESON Chess Problem Database
Problem Display
PID: 203313 (8/2p1Q3/2b1B3/2K1pr2/p3kP2/7N/3PP1n1/8 w - - 0 1)
Asberg, Erik
HM., Lausanne, 1924
#2
7 + 7
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Rxf4
- 2.Sg5#
- 1...Bb5
- 2.Bd5#
- 1...Bd5
- 2.Bxd5#
- 1...Bd7
- 2.Bd5#
- 1...Be8
- 2.Bd5#
- 1...Se3
- 2.d3#
- 1...Sxf4
- 2.Sf2#
- 1...exf4+
- 2.Bd5#
- 1...Rxf4
- Tries
- 1.Ba2?
- threat
- 2.Bb1#
- 1...Sxf4
- 2.Sf2#
- 1...Bb5
- 2.Bd5#
- 1...Se3
- 2.d3#
- 1...Se1!
- threat
- 1.Bc4?
- threat
- 2.Bd3#
- 1...Sxf4
- 2.Sf2#
- 1...Bb5
- 2.Bd5#
- 1...Se1!
- threat
- 1.Qd7?
- threat
- 2.Bxf5#
- 2.Qxc6#
- 2.Qd3#
- 1...Rxf4
- 2.Sg5#
- 2.Qxc6#
- 2.Qd3#
- 1...Bxd7
- 2.Bd5#
- 1...Sxf4
- 2.Sf2#
- 2.Bxf5#
- 1...Se1
- 2.Bxf5#
- 2.Qxc6#
- 1...Rg5
- 2.Qxc6#
- 2.Qd3#
- 1...Rh5
- 2.Qxc6#
- 2.Qd3#
- 1...Rf6
- 2.Qxc6#
- 2.Qd3#
- 1...Rf7
- 2.Qxc6#
- 2.Qd3#
- 1...Rf8
- 2.Qxc6#
- 2.Qd3#
- 1...Bb5
- 2.Bd5#
- 2.Bxf5#
- 2.Qd5#
- 1...Bd5
- 2.Bxd5#
- 2.Bxf5#
- 2.Qxd5#
- 1...Bb7
- 2.Bxf5#
- 2.Qxa4#
- 2.Qd3#
- 1...Ba8
- 2.Bxf5#
- 2.Qxa4#
- 2.Qd3#
- 1...Se3
- 2.Qd3#
- 2.d3#
- 1...Sh4
- 2.Qxc6#
- 2.Qd3#
- 1...exf4+!
- threat
- 1.Qh7?
- threat
- 2.Bxf5#
- 2.Qxf5#
- 1...exf4+
- 2.Qxf5#
- 1...Bd7
- 2.Bd5#
- 2.Qxf5#
- 1...Se3
- 2.d3#
- 1...Sh4!
- threat
- 1.Ba2?
- Keys
- 1.Qe8!
- threat
- 2.Qxc6#
- 1...exf4+
- 2.Bd5#
- 1...Bxe8
- 2.Bd5#
- 1...Sxf4
- 2.Sf2#
- 1...Bb5
- 2.Bd5#
- 1...Bd5
- 2.Bxd5#
- 1...Bb7
- 2.Qxa4#
- 1...Bd7
- 2.Bd5#
- 1...Ba8
- 2.Qxa4#
- 1...Se3
- 2.d3#
- threat
- 1.Qe8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 1
- Sets
- R(e);N_GUARD,SBLOCK,XP(D)::S(C)
- B(f);N_GUARD::B(F)
- B(f);N_GUARD::B(F),XB(f)
- S(a);SBLOCK::P(A)
- S(a);SBLOCK,XP(D)::S(C)
- P(d);CHECK,XP(D)::QAR(G)+B(F),DCHECK
- Tries
- Try
- B(F);P_PINP(d)
- Threat
- B(F)
- Vars
- S(a);SBLOCK,XP(D)::S(C)
- B(f);N_GUARD::B(F)
- S(a);SBLOCK::P(A)
- Refutation
- S(a);
- Try
- B(F);P_PINP(d)
- Threat
- B(F)
- Vars
- S(a);SBLOCK,XP(D)::S(C)
- B(f);N_GUARD::B(F)
- Refutation
- S(a);
- Try
- Q(G);
- Threat
- DUALS(3)
- Vars
- B(f);N_GUARD,XQ(G)::B(F)
- Refutation
- P(d);CHECK,XP(D)
- Try
- Q(G);P_PINR(e)
- Threat
- DUALS(2)
- Vars
- P(d);CHECK,XP(D)::QAB1(G),XR(e)
- S(a);SBLOCK::P(A)
- Refutation
- S(a);
- Try
- Actual
- Q(G);
- Threat
- QAB(G),XB(f)
- Vars
- P(d);CHECK,XP(D)::QAR(G)+B(F),DCHECK
- B(f);N_GUARD,XQ(G)::B(F)
- S(a);SBLOCK,XP(D)::S(C)
- B(f);N_GUARD::B(F)
- B(f);N_GUARD::B(F),XB(f)
- B(f);OGATE::QAR(G),XP(b)
- S(a);SBLOCK::P(A)
Developed and maintained by Brian Stephenson.
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