MESON Chess Problem Database
Problem Display
PID: 35049 (b7/2p4K/1qn2p2/1R3R1p/2BNkN2/rn2p2Q/8/4r3 w - - 0 1)
Casa, Alex
2nd HM., Tidskrift for Schack, 1953
#2
7 + 11
| 3105 | FIDE Album (1945-1955) | 1964 |
| 133 | The Problemist Supplement | 2005 |
| 5454 | Near Snap | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qxd4
- 2.Qg2#
- 1...Sbxd4
- 2.Bd5#
- 1...Scxd4
- 2.Bd3#
- 1...e2
- 2.Qd3#
- 1...Qxd4
- Tries
- 1.Sfe2?
- threat
- 2.Rf4#
- 2.Qg2#
- 2.Qf3#
- 2.Qh4#
- 1...Qxb5
- 2.Qg2#
- 2.Qf3#
- 2.Qh4#
- 1...Rxe2
- 2.Qh4#
- 1...Sbxd4
- 2.Sg3#
- 2.Rf4#
- 2.Qh4#
- 1...Scxd4
- 2.Sc3#
- 2.Sg3#
- 2.Rf4#
- 2.Qh4#
- 1...Se5
- 2.Rf4#
- 1...Qc5
- 2.Qg2#
- 2.Qf3#
- 2.Qh4#
- 1...Rg1
- 2.Rf4#
- 2.Qf3#
- 1...Rh1
- 2.Rf4#
- 2.Qg2#
- 2.Qxh1#
- 2.Qf3#
- 1...Sd2
- 2.Rf4#
- 2.Qh4#
- 1...Sc5
- 2.Qg2#
- 2.Qf3#
- 2.Qh4#
- 1...h4
- 2.Rf4#
- 2.Qg2#
- 2.Qg4#
- 2.Qf3#
- 2.Qxh4#
- 1...Rf1!
- threat
- 1.Sg2?
- threat
- 2.Rf4#
- 2.Qh4#
- 1...Qxb5
- 2.Qh4#
- 1...Se5
- 2.Rf4#
- 1...Qc5
- 2.Qh4#
- 1...Rf1
- 2.Qxe3#
- 1...Rh1
- 2.Rf4#
- 2.Qxe3#
- 1...Sc5
- 2.Qh4#
- 1...h4
- 2.Rf4#
- 2.Qg4#
- 2.Qxh4#
- 1...Kxd4!
- threat
- 1.Sfe6?
- threat
- 2.Rf4#
- 2.Qg2#
- 2.Qf3#
- 2.Qh4#
- 1...Qxb5
- 2.Qg2#
- 2.Qf3#
- 2.Qh4#
- 1...Sbxd4
- 2.Rf4#
- 2.Qh4#
- 1...Scxd4
- 2.Rf4#
- 2.Qh4#
- 1...Qc5
- 2.Qg2#
- 2.Qf3#
- 2.Qh4#
- 1...Rg1
- 2.Rf4#
- 2.Qf3#
- 1...Rh1
- 2.Rf4#
- 2.Qg2#
- 2.Qxh1#
- 2.Qf3#
- 1...Re2
- 2.Rf4#
- 2.Qf3#
- 2.Qh4#
- 1...Ra2
- 2.Rf4#
- 2.Qf3#
- 2.Qh4#
- 1...Sd2
- 2.Rf4#
- 2.Qh4#
- 1...Sc5
- 2.Qg2#
- 2.Qf3#
- 2.Qh4#
- 1...Se5
- 2.Rf4#
- 1...e2
- 2.Bd3#
- 2.Bd5#
- 2.Rf4#
- 2.Qd3#
- 2.Qf3#
- 1...h4
- 2.Rf4#
- 2.Qg2#
- 2.Qg4#
- 2.Qf3#
- 2.Qxh4#
- 1...Rf1!
- threat
- 1.Sfe2?
- Keys
- 1.Sd5!
- threat
- 2.Qh4#
- 1...Kxd4
- 2.Qh4#
- 1...Qxd4
- 2.Qf3#
- 1...Sbxd4
- 2.Sxf6#
- 1...Scxd4
- 2.Sc3#
- 1...Se5
- 2.Rf4#
- 1...Rf1
- 2.Qxe3#
- 1...Rg1
- 2.Qxe3#
- 1...Rh1
- 2.Qxe3#
- 1...h4
- 2.Qg4#
- 2.Qxh4#
- threat
- 1.Sd5!
This anticipates 115664(1953)
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 3
- ADDED MATES = 5
- REMOVED MATES = 1
- Sets
- Q(g);SBLOCK,XS(C)::QAB(A)
- S(c);SBLOCK,XS(C)::B(B)
- S(h);SBLOCK,XS(C)::B(B)
- P(d);OGATE::QAB1(A)
- Tries
- Try
- S(D);
- Threat
- DUALS(4)
- Vars
- R(a);XS(D)::QAR(A)
- S(h);::R1(F)
- Refutation
- R(a);
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- Q(g);XR(E)::QAR(A)
- S(h);::R1(F)
- Q(g);::QAR(A)
- R(a);N_GUARD::QAR1(A),XP(d)
- S(c);::QAR(A)
- Refutation
- K(e);P-FLIGHT,XS(C)
- Try
- S(D);
- Threat
- DUALS(4)
- Vars
- S(h);::R1(F)
- Refutation
- R(a);
- Try
- Actual
- S(D);
- Threat
- QAR(A)
- Vars
- K(e);P-FLIGHT,XS(C)::QAR(A)
- Q(g);SBLOCK,XS(C)::QAB1(A)
- S(c);SBLOCK,XS(C)::S(D),XP(i)
- S(h);SBLOCK,XS(C)::S(D)
- S(h);SBLOCK::R1(F)
- R(a);N_GUARD::QAR1(A),XP(d)
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