MESON Chess Problem Database
Problem Display
PID: 54384 (8/4N3/5KB1/2p1pnR1/Rbb2k2/4p1p1/2q1pNPn/5Q2 w - - 0 1)
Popovski, Aleksandr
StrateGems, 2004
#2
8 + 11
SOLUTION
- SOUND
- Sets
- 1...Qd1
- 2.Rxf5#
- 1...Qb3
- 2.Rxf5#
- 1...Qxa4
- 2.Rxf5#
- 1...Qe4
- 2.Sd3#
- 2.Sh3#
- 1...Qc1
- 2.Rxf5#
- 1...Qa2
- 2.Rxf5#
- 1...Qb2
- 2.Rxf5#
- 1...Qd2
- 2.Rxf5#
- 1...Qc3
- 2.Rxf5#
- 1...Be1
- 2.Sd5#
- 1...Bd2
- 2.Sd5#
- 1...Ba3
- 2.Sd5#
- 1...Bc3
- 2.Sd5#
- 1...Ba5
- 2.Sd5#
- 1...Bd3
- 2.Sd5#
- 1...Bb5
- 2.Sd5#
- 1...Bd5
- 2.Sxd5#
- 1...Ba6
- 2.Sd5#
- 1...Sxf1
- 2.Rg4#
- 1...Sf3
- 2.Rg4#
- 1...Sg4+
- 2.Rxg4#
- 1...Sd4
- 2.Sd3#
- 2.Sh3#
- 1...Sh4
- 2.Sd3#
- 2.Sh3#
- 1...Sd6
- 2.Sd3#
- 2.Sh3#
- 1...Sh6
- 2.Sd3#
- 2.Sh3#
- 1...Sxe7
- 2.Sd3#
- 2.Sh3#
- 1...Sg7
- 2.Sd3#
- 2.Sh3#
- 1...e4
- 2.Sd3#
- 2.Sh3#
- 2.Rxf5#
- 1...Qd1
- Tries
- 1.Bxf5?
- threat
- 2.Sd3#
- 2.Sh3#
- 2.Sg6#
- 1...Qxf5+
- 2.Rxf5#
- 1...Sg4+
- 2.Rxg4#
- 1...Sxf1
- 2.Sh3#
- 2.Sg6#
- 2.Rg4#
- 1...exf1Q
- 2.Sh3#
- 2.Sg6#
- 1...exf1S
- 2.Sh3#
- 2.Sg6#
- 1...exf1B
- 2.Sh3#
- 2.Sg6#
- 1...exf1R
- 2.Sh3#
- 2.Sg6#
- 1...gxf2
- 2.Sg6#
- 1...Qd3
- 2.Sxd3#
- 2.Sh3#
- 2.Sg6#
- 1...Bd3
- 2.Sxd3#
- 2.Sh3#
- 2.Sd5#
- 2.Sg6#
- 1...Bf7
- 2.Sd3#
- 2.Sh3#
- 1...Sf3
- 2.Sh3#
- 2.Sg6#
- 2.Rg4#
- 1...exf2!
- threat
- 1.Bxf5?
- Keys
- 1.Qa1!
- threat
- 2.Qxe5#
- 1...Sg4+
- 2.Rxg4#
- 1...Qe4
- 2.Sh3#
- 1...Qb2
- 2.Rxf5#
- 1...Qc3
- 2.Rxf5#
- 1...Bc3
- 2.Sd5#
- 1...Sf3
- 2.Rg4#
- 1...Sd4
- 2.Sh3#
- 1...e4
- 2.Sh3#
- 2.Rxf5#
- 2.Qe5#
- threat
- 1.Qa1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 15
- Sets
- Q(a);N_GUARD::R1(E),XS(k)
- Q(a);N_GUARD,XR(D)::R1(E),XS(k)
- B(f);P_SPINB(g)::S(H)
- B(g);N_GUARD,P_SPINB(f)::S(H)
- B(g);N_GUARD,P_SPINB(f)::S(H),XB(g)
- S(c);N_GUARD,XQ(A)::R1(E)
- S(c);N_GUARD::R1(E)
- S(c);CHECK,N_GUARD::R1(E),XS(c)
- Tries
- Try
- B(G);XS(k)
- Threat
- DUALS(3)
- Vars
- Q(a);CHECK,OGATE,XB(G)::R1(E),XQ(a)
- S(c);CHECK,N_GUARD::R1(E),XS(c)
- P(e);P_SPINP(e),XS(B)::S(H)
- Refutation
- P(d);P_SPINP(d),XS(B)
- Try
- Actual
- Q(A);
- Threat
- QAB1(A),XP(j)
- Vars
- S(c);CHECK,N_GUARD::R1(E),XS(c)
- Q(a);SBLOCK::S(B)
- Q(a);N_GUARD::R1(E),XS(k)
- B(f);P_SPINB(g)::S(H)
- S(c);N_GUARD::R1(E)
- S(k);::S(B)
Developed and maintained by Brian Stephenson.
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