MESON Chess Problem Database
Problem Display
PID: 71904 (3K4/2Rp3P/pn6/3P1Qp1/r1NkN1rp/1p3p2/bP3P1n/4B3 w - - 0 1)
Hirschenson, Aaron
Comm., The Problemist, 2007
#2
10 + 12
| 56 | The Problemist | 2008 |
SOLUTION
- SOUND
- Tries
- 1.Sc3?
- threat
- 2.h8Q#
- 2.h8B#
- 1...Rxc4
- 2.h8Q#
- 2.h8B#
- 1...Sxd5
- 2.Qxd5#
- 1...Re4
- 2.Qxe4#
- 1...Ra3
- 2.h8Q#
- 2.h8B#
- 1...Rb4
- 2.h8Q#
- 2.h8B#
- 1...Ra5
- 2.h8Q#
- 2.h8B#
- 1...Rg1
- 2.Qe4#
- 2.h8Q#
- 2.h8B#
- 1...Rg2
- 2.Qe4#
- 2.h8Q#
- 2.h8B#
- 1...Rg3
- 2.Qe4#
- 2.h8Q#
- 2.h8B#
- 1...Rf4
- 2.h8Q#
- 2.h8B#
- 1...Bb1
- 2.h8Q#
- 2.h8B#
- 1...Sf1
- 2.h8Q#
- 2.h8B#
- 1...Sa8
- 2.h8Q#
- 2.h8B#
- 1...Sc8
- 2.h8Q#
- 2.h8B#
- 1...h3
- 2.h8Q#
- 2.h8B#
- 1...a5
- 2.Sb5#
- 2.h8Q#
- 2.h8B#
- 1...d6
- 2.h8Q#
- 2.h8B#
- 1...Sxc4!
- threat
- 1.Sg3?
- threat
- 2.Bc3#
- 2.h8Q#
- 2.h8B#
- 1...Rxc4
- 2.h8Q#
- 2.h8B#
- 1...Rxg3
- 2.Bc3#
- 2.h8Q#
- 2.h8B#
- 1...Sxc4
- 2.Bc3#
- 1...hxg3
- 2.Bc3#
- 2.h8Q#
- 2.h8B#
- 1...Re4
- 2.Qxe4#
- 1...Ra3
- 2.Bc3#
- 2.h8Q#
- 2.h8B#
- 1...Rb4
- 2.Bc3#
- 2.h8Q#
- 2.h8B#
- 1...Ra5
- 2.Bc3#
- 2.h8Q#
- 2.h8B#
- 1...Rf4
- 2.Bc3#
- 2.h8Q#
- 2.h8B#
- 1...Bb1
- 2.Bc3#
- 2.h8Q#
- 2.h8B#
- 1...Sf1
- 2.Bc3#
- 2.h8Q#
- 2.h8B#
- 1...Sa8
- 2.Bc3#
- 2.h8Q#
- 2.h8B#
- 1...Sc8
- 2.Bc3#
- 2.h8Q#
- 2.h8B#
- 1...h3
- 2.Bc3#
- 2.h8Q#
- 2.h8B#
- 1...a5
- 2.Bc3#
- 2.h8Q#
- 2.h8B#
- 1...d6
- 2.Bc3#
- 2.h8Q#
- 2.h8B#
- 1...Sxd5!
- threat
- 1.Sxg5?
- threat
- 2.Bc3#
- 2.h8Q#
- 2.h8B#
- 1...Rxc4
- 2.h8Q#
- 2.h8B#
- 1...Rxg5
- 2.Bc3#
- 1...Sxc4
- 2.Bc3#
- 1...Re4
- 2.Qxe4#
- 1...Ra3
- 2.Bc3#
- 2.h8Q#
- 2.h8B#
- 1...Rb4
- 2.Bc3#
- 2.h8Q#
- 2.h8B#
- 1...Ra5
- 2.Bc3#
- 2.h8Q#
- 2.h8B#
- 1...Rg1
- 2.Bc3#
- 2.Qe4#
- 2.h8Q#
- 2.h8B#
- 1...Rg2
- 2.Bc3#
- 2.Qe4#
- 2.h8Q#
- 2.h8B#
- 1...Rg3
- 2.Bc3#
- 2.Qe4#
- 2.h8Q#
- 2.h8B#
- 1...Rf4
- 2.Bc3#
- 2.h8Q#
- 2.h8B#
- 1...Bb1
- 2.Bc3#
- 2.h8Q#
- 2.h8B#
- 1...Sf1
- 2.Sxf3#
- 2.Bc3#
- 2.h8Q#
- 2.h8B#
- 1...Sa8
- 2.Bc3#
- 2.h8Q#
- 2.h8B#
- 1...Sc8
- 2.Bc3#
- 2.h8Q#
- 2.h8B#
- 1...h3
- 2.Bc3#
- 2.h8Q#
- 2.h8B#
- 1...a5
- 2.Bc3#
- 2.h8Q#
- 2.h8B#
- 1...d6
- 2.Se6#
- 2.Bc3#
- 2.h8Q#
- 2.h8B#
- 1...Sxd5!
- threat
- 1.Sed6?
- threat
- 2.Bc3#
- 2.h8Q#
- 2.h8B#
- 1...Rxc4
- 2.h8Q#
- 2.h8B#
- 1...Sxc4
- 2.Bc3#
- 1...Re4
- 2.Qxe4#
- 1...Ra3
- 2.Bc3#
- 2.h8Q#
- 2.h8B#
- 1...Rb4
- 2.Bc3#
- 2.h8Q#
- 2.h8B#
- 1...Ra5
- 2.Bc3#
- 2.h8Q#
- 2.h8B#
- 1...Rg1
- 2.Bc3#
- 2.Qe4#
- 2.h8Q#
- 2.h8B#
- 1...Rg2
- 2.Bc3#
- 2.Qe4#
- 2.h8Q#
- 2.h8B#
- 1...Rg3
- 2.Bc3#
- 2.Qe4#
- 2.h8Q#
- 2.h8B#
- 1...Rf4
- 2.Bc3#
- 2.h8Q#
- 2.h8B#
- 1...Bb1
- 2.Bc3#
- 2.h8Q#
- 2.h8B#
- 1...Sf1
- 2.Bc3#
- 2.h8Q#
- 2.h8B#
- 1...Sa8
- 2.Bc3#
- 2.h8Q#
- 2.h8B#
- 1...Sc8
- 2.Bc3#
- 2.h8Q#
- 2.h8B#
- 1...h3
- 2.Bc3#
- 2.h8Q#
- 2.h8B#
- 1...a5
- 2.Sb5#
- 2.Bc3#
- 2.h8Q#
- 2.h8B#
- 1...Sxd5!
- threat
- 1.Sf6?
- threat
- 2.Bc3#
- 1...Sxd5
- 2.Qxd5#
- 1...Re4
- 2.Qxe4#
- 1...Rxc4!
- threat
- 1.Sc3?
- Keys
- 1.Sc5!
- threat
- 2.Qd3#
- 1...Kxc4
- 2.Qd3#
- 1...Rxc4
- 2.h8Q#
- 2.h8B#
- 1...Sxc4
- 2.Bc3#
- 1...Re4
- 2.Qxe4#
- 1...Bb1
- 2.Sxb3#
- threat
- 1.Sc5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- Tries
- Try
- S(E);
- Threat
- P=Q
- Vars
- R(e);XS(D)::P=Q
- S(k);OGATE,XP(F)::QAR1(G),XS(k)
- R(g);N_GUARD::QAR1(G),XR(g)
- R(e);::P=Q
- R(g);::P=Q
- B(a);::P=Q
- S(b);::P=Q
- S(k);::P=Q
- P(h);::P=Q
- P(l);::P=Q
- Refutation
- S(k);XS(D)
- Try
- S(E);
- Threat
- DUALS(3)
- Vars
- R(e);XS(D)::P=Q
- S(k);XS(D)::B(A)
- R(g);N_GUARD::QAR1(G),XR(g)
- Refutation
- S(k);XP(F)
- Try
- S(E);XP(i)
- Threat
- DUALS(3)
- Vars
- R(e);XS(D)::P=Q
- R(g);XS(E)::B(A)
- S(k);XS(D)::B(A)
- R(g);N_GUARD::QAR1(G),XR(g)
- Refutation
- S(k);XP(F)
- Try
- S(E);
- Threat
- DUALS(3)
- Vars
- R(e);XS(D)::P=Q
- S(k);XS(D)::B(A)
- R(g);N_GUARD::QAR1(G),XR(g)
- Refutation
- S(k);XP(F)
- Try
- S(E);
- Threat
- B(A)
- Vars
- S(k);OGATE,XP(F)::QAR1(G),XS(k)
- R(g);N_GUARD::QAR1(G),XR(g)
- Refutation
- R(e);XS(D)
- Try
- Actual
- S(E);
- Threat
- QAR1(G)
- Vars
- K(f);P-FLIGHT,XS(D)::QAB1(G)
- R(e);SBLOCK,XS(D)::P=Q
- S(k);SBLOCK,XS(D)::B(A)
- R(g);N_GUARD::QAR1(G),XR(g)
- B(a);N_GUARD::S(E),XP(c)
Developed and maintained by Brian Stephenson.
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