MESON Chess Problem Database
Problem Display
PID: 18508 (2K1B2n/1NprP3/R7/prNk4/Qb2p3/pP1b4/P2R4/B7 w - - 0 1)
Hartong, Jan
1st Place, Match: Great Britain - Netherlands, 1956
#2
11 + 10
| 3174 | The Two-move Chess Problem Tradition and Development | 1966 |
| 56 | The Problemist | 2006 |
SOLUTION
- SOUND
- Sets
- 1...Rxc5
- 2.Qxd7#
- 1...Rxb7
- 2.Qc6#
- 1...Rxe7
- 2.Bc6#
- 1...Rd8+
- 2.exd8Q#
- 2.exd8R#
- 1...Bxd2
- 2.Qd4#
- 1...Bc3
- 2.Qxe4#
- 1...Bxc5
- 2.Qc4#
- 1...Sg6
- 2.Bf7#
- 1...Sf7
- 2.Bxf7#
- 1...e3
- 2.Rxd3#
- 1...Rxc5
- Tries
- 1.Bxd7?
- threat
- 2.Bc6#
- 2.Be6#
- 1...Rxc5
- 2.Be6#
- 1...Rxb7
- 2.Qc6#
- 1...Bxc5
- 2.Be6#
- 2.Qc4#
- 1...Bc3
- 2.Qxe4#
- 1...c6
- 2.Bxc6#
- 2.Be6#
- 1...Rb6!
- threat
- 1.Rg6?
- 1...Rd8+
- 2.exd8Q#
- 2.exd8R#
- 1...Rxc5
- 2.Qxd7#
- 1...Rxb7
- 2.Qc6#
- 1...Rxe7
- 2.Bc6#
- 1...Bxd2
- 2.Qd4#
- 1...Bxc5
- 2.Qc4#
- 1...Bc3
- 2.Qxe4#
- 1...Rb6
- 2.Rg5#
- 1...Rd6
- 2.Rg5#
- 1...Sf7
- 2.Bxf7#
- 1...e3
- 2.Rxd3#
- 1...c6
- 2.Rg5#
- 1...Sxg6!
- 1...Rd8+
- 1.Rh6?
- 1...Rd8+
- 2.exd8Q#
- 2.exd8R#
- 1...Rxc5
- 2.Qxd7#
- 1...Rxb7
- 2.Qc6#
- 1...Rxe7
- 2.Bc6#
- 1...Bxd2
- 2.Qd4#
- 1...Bxc5
- 2.Qc4#
- 1...Bc3
- 2.Qxe4#
- 1...Rb6
- 2.Rh5#
- 1...Rd6
- 2.Rh5#
- 1...Sf7
- 2.Bxf7#
- 1...e3
- 2.Rxd3#
- 1...c6
- 2.Rh5#
- 1...Sg6!
- 1...Rd8+
- 1.Qxb5?
- threat
- 2.Qc4#
- 2.Qc6#
- 2.Qxd7#
- 1...Rd8+
- 2.exd8Q#
- 2.exd8R#
- 1...Rxe7
- 2.Bc6#
- 2.Qc4#
- 2.Qc6#
- 1...Bxd2
- 2.Qc6#
- 2.Qxd7#
- 1...Bxc5
- 2.Qc4#
- 2.Qc6#
- 2.Qxc5#
- 1...Rd6
- 2.Qc4#
- 1...Sf7
- 2.Bxf7#
- 2.Qc4#
- 2.Qc6#
- 1...c6
- 2.Qc4#
- 2.Qxc6#
- 1...Bc3!
- threat
- 1.Bxd7?
- Keys
- 1.Rf6!
- 1...Rd8+
- 2.exd8Q#
- 2.exd8R#
- 1...Rxc5
- 2.Qxd7#
- 1...Rxb7
- 2.Qc6#
- 1...Rxe7
- 2.Bc6#
- 1...Bxd2
- 2.Qd4#
- 1...Bxc5
- 2.Qc4#
- 1...Bc3
- 2.Qxe4#
- 1...Rb6
- 2.Rf5#
- 1...Rd6
- 2.Rf5#
- 1...Sg6
- 2.Bf7#
- 1...Sf7
- 2.Bxf7#
- 1...e3
- 2.Rxd3#
- 1...c6
- 2.Rf5#
- 1...Rd8+
- 1.Rf6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- R(f);OGATE,XS(F)::QAR2(E),XR(i)
- R(f);OGATE,XS(H)::QAB1(E)
- R(i);OGATE,XP(I)::B(K)
- R(i);CHECK,OGATE::PXR(i)=Q
- B(c);N_SPINB(b),OGATE,XR(C)::QAR1(E)
- B(c);OGATE::QAB1(E),XP(d)
- B(c);OGATE,XS(F)::QAB1(E)
- S(j);N_GUARD::B(K)
- S(j);N_GUARD::B(K),XS(j)
- P(d);N_GUARD::R(C),XB(b)
- Tries
- Try
- B(K);XR(i)
- Threat
- DUALS(2)
- Vars
- R(f);XS(F)::B(K)
- R(f);OGATE,XS(H)::QAB1(E)
- B(c);OGATE::QAB1(E),XP(d)
- Refutation
- R(f);
- Try
- R(G);
- Vars
- R(i);CHECK,OGATE::PXR(i)=Q
- R(f);OGATE,XS(F)::QAR2(E),XR(i)
- R(f);OGATE,XS(H)::QAB1(E)
- R(i);OGATE,XP(I)::B(K)
- B(c);N_SPINB(b),OGATE,XR(C)::QAR1(E)
- B(c);OGATE,XS(F)::QAB1(E)
- B(c);OGATE::QAB1(E),XP(d)
- R(f);::R(G)
- R(i);::R(G)
- S(j);N_GUARD::B(K),XS(j)
- P(d);N_GUARD::R(C),XB(b)
- P(h);SBLOCK::R(G)
- Refutation
- S(j);XR(G)
- Try
- R(G);
- Vars
- R(i);CHECK,OGATE::PXR(i)=Q
- R(f);OGATE,XS(F)::QAR2(E),XR(i)
- R(f);OGATE,XS(H)::QAB1(E)
- R(i);OGATE,XP(I)::B(K)
- B(c);N_SPINB(b),OGATE,XR(C)::QAR1(E)
- B(c);OGATE,XS(F)::QAB1(E)
- B(c);OGATE::QAB1(E),XP(d)
- R(f);::R(G)
- R(i);::R(G)
- S(j);N_GUARD::B(K),XS(j)
- P(d);N_GUARD::R(C),XB(b)
- P(h);SBLOCK::R(G)
- Refutation
- S(j);
- Try
- Q(E);XR(f)
- Threat
- DUALS(3)
- Vars
- R(i);CHECK,OGATE::PXR(i)=Q
- R(i);::QAB1(E)
- Refutation
- B(c);
- Try
- Actual
- R(G);
- Vars
- R(i);CHECK,OGATE::PXR(i)=Q
- R(f);OGATE,XS(F)::QAR2(E),XR(i)
- R(f);OGATE,XS(H)::QAB1(E)
- R(i);OGATE,XP(I)::B(K)
- B(c);N_SPINB(b),OGATE,XR(C)::QAR1(E)
- B(c);OGATE,XS(F)::QAB1(E)
- B(c);OGATE::QAB1(E),XP(d)
- R(f);::R(G)
- R(i);::R(G)
- S(j);N_GUARD::B(K)
- S(j);N_GUARD::B(K),XS(j)
- P(d);N_GUARD::R(C),XB(b)
- P(h);SBLOCK::R(G)
Developed and maintained by Brian Stephenson.
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