MESON Chess Problem Database
Problem Display
PID: 154039 (4N3/3p1rp1/1Kp1npP1/1B1kBN2/5P2/1b1Pp3/2n1PP2/3Q2b1 w - - 0 1)
Forster, Fritz
Chess Amateur (The), 1911
#2
11 + 11
SOLUTION
- SOUND
- Sets
- 1...Re7
- 2.Sxe7#
- 1...Rf8
- 2.Se7#
- 1...Bxf2
- 2.Qh1#
- 1...Bh2
- 2.Qh1#
- 1...Ba4
- 2.Bc4#
- 1...Bc4
- 2.Bxc4#
- 1...Sa1
- 2.Sxe3#
- 1...Se1
- 2.Sxe3#
- 2.Qxb3#
- 1...Sa3
- 2.Sxe3#
- 1...Sb4
- 2.Sxe3#
- 2.Qxb3#
- 1...Scd4
- 2.Sxe3#
- 1...Sed4
- 2.Sc7#
- 1...Sc5
- 2.Sc7#
- 1...Sg5
- 2.Sc7#
- 1...Sc7
- 2.Sxc7#
- 1...Sd8
- 2.Sc7#
- 1...Sf8
- 2.Sc7#
- 1...exf2
- 2.e4#
- 1...d6
- 2.Bxc6#
- 1...Re7
- Tries
- 1.Sxf6+?
- 1...Rxf6
- 2.Se7#
- 1...gxf6!
- 1...Rxf6
- 1.Qxc2?
- threat
- 2.Sxe3#
- 2.Qxb3#
- 1...Bxf2
- 2.Qxb3#
- 1...Bxc2
- 2.Sxe3#
- 2.Bc4#
- 1...exf2
- 2.Se3#
- 2.Qxb3#
- 2.e4#
- 1...fxe5
- 2.Qxb3#
- 1...Sd4
- 2.Sc7#
- 1...Sc5
- 2.Sc7#
- 1...Sg5
- 2.Sc7#
- 2.Qxb3#
- 1...Sc7
- 2.Sxc7#
- 2.Qxb3#
- 1...Sd8
- 2.Sc7#
- 2.Qxb3#
- 1...Sf8
- 2.Sc7#
- 2.Qxb3#
- 1...Ba2
- 2.Sxe3#
- 2.Qxa2#
- 1...Ba4
- 2.Sxe3#
- 2.Bc4#
- 2.Qc4#
- 1...Bc4
- 2.Sxe3#
- 2.Bxc4#
- 2.Qxc4#
- 2.dxc4#
- 1...c5
- 2.Sxe3#
- 1...Sxf4!
- threat
- 1.Sxf6+?
- Keys
- 1.Qa1!
- 1...Bxf2
- 2.Qh1#
- 1...Sxa1
- 2.Sxe3#
- 1...Sxf4
- 2.Sc7#
- 1...exf2
- 2.e4#
- 1...cxb5
- 2.Qa8#
- 1...fxe5
- 2.Qxe5#
- 1...Sed4
- 2.Sc7#
- 1...Sc5
- 2.Sc7#
- 1...Sg5
- 2.Sc7#
- 1...Sc7
- 2.Sxc7#
- 1...Sd8
- 2.Sc7#
- 1...Sf8
- 2.Sc7#
- 1...Ba2
- 2.Qxa2#
- 1...Re7
- 2.Sxe7#
- 1...Rf8
- 2.Se7#
- 1...Bh2
- 2.Qh1#
- 1...Ba4
- 2.Bc4#
- 1...Bc4
- 2.Bxc4#
- 1...Se1
- 2.Sxe3#
- 1...Sa3
- 2.Sxe3#
- 1...Sb4
- 2.Sxe3#
- 1...Scd4
- 2.Sxe3#
- 1...c5
- 2.Qa8#
- 1...d6
- 2.Bxc6#
- 1...Bxf2
- 1.Qa1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 7
- REMOVED MATES = 0
- Sets
- R(j);N_GUARD::S(H),XR(j)
- R(j);N_GUARD::S(H)
- B(a);OGATE,XP(C)::QAB(A)
- B(a);OGATE::QAB(A)
- B(c);N_GUARD::B(F)
- B(c);N_GUARD::B(F),XB(c)
- S(b);N_GUARD::S(H),XP(d)
- S(g);N_GUARD::S(K)
- S(g);N_GUARD::S(K),XS(g)
- P(d);OGATE,XP(C)::P(B)
- P(i);N_GUARD::B(F),XP(f)
- Tries
- Try
- S(K);CHECK,XP(h)
- Vars
- R(j);XS(K)::S(H)
- Refutation
- P(k);XS(K)
- Try
- Q(A);XS(b)
- Threat
- DUALS(2)
- Vars
- B(a);XP(C)::QAB(A),XB(c)
- P(h);XB(G)::QAB(A),XB(c)
- S(g);N_GUARD::S(K)
- P(f);::S(H),XP(d)
- Refutation
- S(g);XP(E)
- Try
- Actual
- Q(A);
- Vars
- B(a);OGATE,XP(C)::QAB(A)
- S(b);N_GUARD,XQ(A)::S(H),XP(d)
- S(g);N_GUARD,XP(E)::S(K)
- P(d);OGATE,XP(C)::P(B)
- P(f);OGATEB,XB(F)::QAB(A)
- P(h);OGATE,XB(G)::QAR1(A),XP(h)
- S(g);N_GUARD::S(K)
- S(g);N_GUARD::S(K),XS(g)
- B(c);OGATEB::QAB(A),XB(c)
- R(j);N_GUARD::S(H),XR(j)
- R(j);N_GUARD::S(H)
- B(a);OGATE::QAB(A)
- B(c);N_GUARD::B(F)
- B(c);N_GUARD::B(F),XB(c)
- S(b);N_GUARD::S(H),XP(d)
- P(f);OGATEB::QAB(A)
- P(i);N_GUARD::B(F),XP(f)
Developed and maintained by Brian Stephenson.
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