MESON Chess Problem Database
Problem Display
PID: 15822 (8/2n1R2B/2pp2rp/b1pkB3/K3pQ1r/nR1PPP2/4N1b1/8 w - - 0 1)
Hoffmann, Fritz
Freie Presse, 1988
#2
10 + 12
SOLUTION
- SOUND
- Sets
- 1...Rh1
- 2.Qxe4#
- 1...Rh2
- 2.Qxe4#
- 1...Rh3
- 2.Qxe4#
- 1...Rxf4
- 2.Sxf4#
- 1...Rh5
- 2.Qxe4#
- 1...Rg3
- 2.Bxe4#
- 1...Rg4
- 2.Bxe4#
- 1...Rg5
- 2.Bxe4#
- 1...Re6
- 2.Bxe4#
- 1...Rf6
- 2.Bxe4#
- 1...Rg7
- 2.Bxe4#
- 1...Rg8
- 2.Bxe4#
- 1...Bf1
- 2.fxe4#
- 1...Bh3
- 2.fxe4#
- 1...Bc3
- 2.Sxc3#
- 1...Bb6
- 2.Sc3#
- 1...Sc4
- 2.dxe4#
- 1...exd3
- 2.Rxd3#
- 1...exf3
- 2.e4#
- 1...dxe5
- 2.Qxe5#
- 1...Rh1
- Tries
- 1.Ba1?
- threat
- 2.Qf5#
- 1...Rxf4
- 2.Sxf4#
- 1...exd3
- 2.Rxd3#
- 1...exf3
- 2.e4#
- 1...Rh5
- 2.Qxe4#
- 1...Rg5
- 2.Bxe4#
- 1...Rf6
- 2.Bxe4#
- 1...Bh3
- 2.fxe4#
- 1...Bc3
- 2.Sxc3#
- 1...Sc4
- 2.dxe4#
- 1...Re6!
- threat
- 1.Bb2?
- threat
- 2.Qf5#
- 1...Rxf4
- 2.Sxf4#
- 1...exd3
- 2.Rxd3#
- 1...exf3
- 2.e4#
- 1...Rh5
- 2.Qxe4#
- 1...Rg5
- 2.Bxe4#
- 1...Rf6
- 2.Bxe4#
- 1...Bh3
- 2.fxe4#
- 1...Bc3
- 2.Sxc3#
- 1...Sc4
- 2.dxe4#
- 1...Re6!
- threat
- 1.Bg7?
- threat
- 2.Qf5#
- 1...Rxf4
- 2.Sxf4#
- 1...exd3
- 2.Rxd3#
- 1...exf3
- 2.e4#
- 1...Rh5
- 2.Qxe4#
- 1...Rg5
- 2.Bxe4#
- 1...Rf6
- 2.Bxe4#
- 1...Bh3
- 2.fxe4#
- 1...Bc3
- 2.Sxc3#
- 1...Sc4
- 2.dxe4#
- 1...Re6!
- threat
- 1.Bh8?
- threat
- 2.Qf5#
- 1...Rxf4
- 2.Sxf4#
- 1...exd3
- 2.Rxd3#
- 1...exf3
- 2.e4#
- 1...Rh5
- 2.Qxe4#
- 1...Rg5
- 2.Bxe4#
- 1...Rf6
- 2.Bxe4#
- 1...Bh3
- 2.fxe4#
- 1...Bc3
- 2.Sxc3#
- 1...Sc4
- 2.dxe4#
- 1...Re6!
- threat
- 1.Ba1?
- Keys
- 1.Bf6!
- threat
- 2.Qf5#
- 1...Rxf4
- 2.Sxf4#
- 1...Rxf6
- 2.Bxe4#
- 1...exd3
- 2.Rxd3#
- 1...exf3
- 2.e4#
- 1...Rh5
- 2.Qxe4#
- 1...Rg5
- 2.Bxe4#
- 1...Bh3
- 2.fxe4#
- 1...Bc3
- 2.Sxc3#
- 1...Sc4
- 2.dxe4#
- threat
- 1.Bf6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 11
- Sets
- R(d);N_GUARD::QAB1(G),XP(c)
- R(d);XQ(G)::S(A),XR(d)
- R(j);OGATE::B(J),XP(c)
- B(a);N_GUARD::P(E),XP(c)
- B(e);N_GUARD::S(A),XB(e)
- B(e);N_GUARD::S(A)
- S(b);SBLOCK::P(C),XP(c)
- P(c);OGATE,P_PINQ(G),XP(C)::R(B),XP(c)
- P(c);OGATE,P_PINQ(G),XP(E)::P(D)
- P(i);OGATE,XB(H)::QAR1(G),XP(i)
- Tries
- Try
- B(H);
- Threat
- QAR2(G)
- Vars
- R(d);XQ(G)::S(A),XR(d)
- P(c);OGATE,P_PINQ(G),XP(C)::R(B),XP(c)
- P(c);OGATE,P_PINQ(G),XP(E)::P(D)
- R(d);N_GUARD::QAB1(G),XP(c)
- R(j);OGATE::B(J),XP(c)
- B(a);N_GUARD::P(E),XP(c)
- B(e);N_GUARD::S(A),XB(e)
- S(b);SBLOCK::P(C),XP(c)
- Refutation
- R(j);
- Try
- B(H);
- Threat
- QAR2(G)
- Vars
- R(d);XQ(G)::S(A),XR(d)
- P(c);OGATE,P_PINQ(G),XP(C)::R(B),XP(c)
- P(c);OGATE,P_PINQ(G),XP(E)::P(D)
- R(d);N_GUARD::QAB1(G),XP(c)
- R(j);OGATE::B(J),XP(c)
- B(a);N_GUARD::P(E),XP(c)
- B(e);N_GUARD::S(A),XB(e)
- S(b);SBLOCK::P(C),XP(c)
- Refutation
- R(j);
- Try
- B(H);
- Threat
- QAR2(G)
- Vars
- R(d);XQ(G)::S(A),XR(d)
- P(c);OGATE,P_PINQ(G),XP(C)::R(B),XP(c)
- P(c);OGATE,P_PINQ(G),XP(E)::P(D)
- R(d);N_GUARD::QAB1(G),XP(c)
- R(j);OGATE::B(J),XP(c)
- B(a);N_GUARD::P(E),XP(c)
- B(e);N_GUARD::S(A),XB(e)
- S(b);SBLOCK::P(C),XP(c)
- Refutation
- R(j);
- Try
- B(H);
- Threat
- QAR2(G)
- Vars
- R(d);XQ(G)::S(A),XR(d)
- P(c);OGATE,P_PINQ(G),XP(C)::R(B),XP(c)
- P(c);OGATE,P_PINQ(G),XP(E)::P(D)
- R(d);N_GUARD::QAB1(G),XP(c)
- R(j);OGATE::B(J),XP(c)
- B(a);N_GUARD::P(E),XP(c)
- B(e);N_GUARD::S(A),XB(e)
- S(b);SBLOCK::P(C),XP(c)
- Refutation
- R(j);
- Try
- Actual
- B(H);
- Threat
- QAR2(G)
- Vars
- R(d);XQ(G)::S(A),XR(d)
- R(j);OGATE,XB(H)::B(J),XP(c)
- P(c);OGATE,P_PINQ(G),XP(C)::R(B),XP(c)
- P(c);OGATE,P_PINQ(G),XP(E)::P(D)
- R(d);N_GUARD::QAB1(G),XP(c)
- R(j);OGATE::B(J),XP(c)
- B(a);N_GUARD::P(E),XP(c)
- B(e);N_GUARD::S(A),XB(e)
- S(b);SBLOCK::P(C),XP(c)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
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