MESON Chess Problem Database
Problem Display
PID: 134814 (1K1R4/8/2k1Bp2/P4R2/P2pn3/1p3N2/8/q7 w - - 0 1)
Schatz, Max
Die Schwalbe, 2009
#2
7 + 6
SOLUTION
- SOUND
- Sets
- 1...Qb1
- 2.Sxd4#
- 1...Qc1
- 2.Sxd4#
- 1...Qe1
- 2.Sxd4#
- 1...Qf1
- 2.Sxd4#
- 1...Qh1
- 2.Sxd4#
- 1...Qa2
- 2.Sxd4#
- 1...Qa3
- 2.Sxd4#
- 1...Sc3
- 2.Sxd4#
- 1...Sc5
- 2.Bd5#
- 1...Sd6
- 2.Bd7#
- 1...b2
- 2.Sxd4#
- 1...Qb1
- Tries
- 1.Bc4?
- threat
- 2.Bb5#
- 1...Qxa4
- 2.Sxd4#
- 1...Qf1
- 2.Sxd4#
- 1...Sc3
- 2.Sxd4#
- 1...Sd6!
- threat
- 1.Bf7?
- threat
- 2.Be8#
- 1...Sc5
- 2.Bd5#
- 1...Sd6!
- threat
- 1.Bc8?
- threat
- 2.Bb7#
- 1...Sd6
- 2.Bd7#
- 1...Sc5!
- threat
- 1.Rb5?
- threat
- 2.Bd5#
- 1...Sc3
- 2.Sxd4#
- 1...Qxa4!
- threat
- 1.Rc5+?
- 1...Sxc5
- 2.Bd5#
- 1...Kxc5!
- 1...Sxc5
- 1.Rdd5?
- threat
- 2.Bd7#
- 1...Sd6
- 2.Rc5#
- 1...Sc5!
- threat
- 1.Bc4?
- Keys
- 1.Rfd5!
- threat
- 2.Rc8#
- 1...Sd6
- 2.R8xd6#
- threat
- 1.Rfd5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 0
- REMOVED MATES = 10
- Sets
- Q(a);N_GUARD::S(A),XP(c)
- S(d);S_CUTQ(a)::S(A),XP(c)
- S(d);SBLOCK::B(E)
- P(b);S_CUTQ(a)::S(A),XP(c)
- Tries
- Try
- B(E);
- Threat
- B(E)
- Vars
- Q(a);N_GUARD,XP(B)::S(A),XP(c)
- Q(a);N_GUARD::S(A),XP(c)
- S(d);S_CUTQ(a)::S(A),XP(c)
- Refutation
- S(d);
- Try
- B(E);
- Threat
- B(E)
- Vars
- S(d);SBLOCK::B(E)
- Refutation
- S(d);
- Try
- B(E);
- Threat
- B(E)
- Vars
- S(d);SBLOCK::B(E)
- Refutation
- S(d);
- Try
- R(D);
- Threat
- B(E)
- Vars
- S(d);S_CUTQ(a)::S(A),XP(c)
- Refutation
- Q(a);XP(B)
- Try
- R(D);CHECK
- Vars
- S(d);SBLOCK,XR(D)::B(E)
- Refutation
- K(e);P-FLIGHT,XR(D)
- Try
- R(G);
- Threat
- B(E)
- Vars
- S(d);N_GUARD,SBLOCK::R1(G)
- Refutation
- S(d);
- Try
- Actual
- R(D);
- Threat
- R(G)
- Vars
- S(d);N_GUARD::R1(G),XS(d)
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