MESON Chess Problem Database
Problem Display
PID: 44668 (4R2K/5b2/Q2pnN2/5N2/3P1k1B/b1P1pp1B/5p1P/2n5 w - - 0 1)
Brehmer, Siegfried
Schach-Express, 1949
#2
10 + 9
SOLUTION
- SOUND
- Sets
- 1...Bb2
- 2.Qxd6#
- 1...Sxd4
- 2.Re4#
- 1...Sc5
- 2.Qxd6#
- 1...Sg5
- 2.Bg3#
- 1...Sc7
- 2.Re4#
- 1...Sg7
- 2.Re4#
- 1...Sd8
- 2.Re4#
- 1...Sf8
- 2.Re4#
- 1...Bb2
- Tries
- 1.Sg3?
- threat
- 2.Sd5#
- 1...Sxd4
- 2.Re4#
- 1...Sc5
- 2.Qxd6#
- 1...Sc7
- 2.Re4#
- 1...Sg7
- 2.Re4#
- 1...Sd8
- 2.Re4#
- 1...Sf8
- 2.Re4#
- 1...d5
- 2.Sxd5#
- 1...Sg5!
- threat
- 1.Sxd6?
- threat
- 2.Sd5#
- 1...Bxd6
- 2.Qxd6#
- 1...Sxd4
- 2.Re4#
- 1...Sg5
- 2.Bg3#
- 1...Sc7
- 2.Re4#
- 1...Sg7
- 2.Re4#
- 1...Sd8
- 2.Re4#
- 1...Sf8
- 2.Re4#
- 1...Sc5!
- threat
- 1.Rxe6?
- threat
- 2.Sd5#
- 2.Re4#
- 1...d5
- 2.Sxd5#
- 1...Bxe6!
- threat
- 1.Qd3?
- threat
- 2.Sd5#
- 2.Qe4#
- 2.Qxe3#
- 1...Sxd4
- 2.Re4#
- 2.Qe4#
- 2.Qxe3#
- 2.Qxd4#
- 1...f1S
- 2.Sd5#
- 2.Qe4#
- 1...Sc5
- 2.Qxe3#
- 1...Sg5
- 2.Bg3#
- 2.Qxe3#
- 1...Sc7
- 2.Re4#
- 2.Qe4#
- 2.Qxe3#
- 1...Sg7
- 2.Re4#
- 2.Qe4#
- 2.Qxe3#
- 1...Sd8
- 2.Re4#
- 2.Qe4#
- 2.Qxe3#
- 1...Sf8
- 2.Re4#
- 2.Qe4#
- 2.Qxe3#
- 1...e2
- 2.Sd5#
- 2.Qe4#
- 2.Qd2#
- 2.Qe3#
- 1...d5
- 2.Sxd5#
- 2.Qxe3#
- 1...Sxd3!
- threat
- 1.Qc6?
- threat
- 2.Qe4#
- 1...Sc5
- 2.Qxd6#
- 1...Sg5
- 2.Bg3#
- 1...d5!
- threat
- 1.Sg3?
- Keys
- 1.Sxe3!
- threat
- 2.Sed5#
- 1...Kxe3
- 2.Bg5#
- 1...Sxd4
- 2.Re4#
- 1...Sc5
- 2.Qxd6#
- 1...Sg5
- 2.Bg3#
- 1...Sc7
- 2.Re4#
- 1...Sg7
- 2.Re4#
- 1...Sd8
- 2.Re4#
- 1...Sf8
- 2.Re4#
- 1...d5
- 2.Sexd5#
- threat
- 1.Sxe3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 1
- Sets
- B(c);N_GUARD::QAB(G),XP(g)
- S(h);OGATE,XP(D)::R1(I)
- S(h);S_CUTB(c)::QAB(G),XP(g)
- S(h);SBLOCK::B(E)
- S(h);OGATE::R1(I)
- Tries
- Try
- S(F);
- Threat
- S(H)
- Vars
- S(h);OGATE,XP(D)::R1(I)
- S(h);S_CUTB(c)::QAB(G),XP(g)
- S(h);OGATE::R1(I)
- P(g);::S(H),XP(g)
- Refutation
- S(h);
- Try
- S(F);XP(g)
- Threat
- S(H)
- Vars
- B(c);OGATE,XS(F)::QAB(G),XB(c)
- S(h);OGATE,XP(D)::R1(I)
- S(h);SBLOCK::B(E)
- S(h);OGATE::R1(I)
- Refutation
- S(h);
- Try
- R(I);XS(h)
- Threat
- DUALS(2)
- Vars
- P(g);::S(H),XP(g)
- Refutation
- B(i);XR(I)
- Try
- Q(G);
- Threat
- DUALS(3)
- Vars
- S(h);::QAB1(G),XP(d)
- Refutation
- S(a);XQ(G)
- Try
- Q(G);
- Threat
- QAR1(G)
- Vars
- S(h);S_CUTB(c)::QAB(G),XP(g)
- S(h);SBLOCK::B(E)
- Refutation
- P(g);
- Try
- Actual
- S(F);XP(d)
- Threat
- S(F)
- Vars
- K(f);P_SPINS(h),S_FLIGHT,XS(F)::B(E)
- S(h);OGATE,XP(D)::R1(I)
- S(h);S_CUTB(c)::QAB(G),XP(g)
- S(h);SBLOCK::B(E)
- S(h);OGATE::R1(I)
- P(g);::S(F),XP(g)
Developed and maintained by Brian Stephenson.
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