MESON Chess Problem Database
Problem Display
PID: 102175 (3N1K2/1p1p2p1/1P3pP1/2k2n2/2p5/8/B2Q4/BR6 w - - 0 1)
Olson, Anders Elis Waldemar
Svenska Dagbladet, 1927
(First published on Sun Jun 19 1927)
#2
8 + 7
| 1577 | Jaarboek | 1933 |
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Se3
- 2.Qd4#
- 1...Sg3
- 2.Qd4#
- 1...Sd4
- 2.Qxd4#
- 1...Sh4
- 2.Qd4#
- 1...Sd6
- 2.Qd4#
- 1...Sh6
- 2.Qd4#
- 1...Se7
- 2.Qd4#
- 1...c3
- 2.Qd5#
- 1...d5
- 2.Qb4#
- 1...d6
- 2.Qa5#
- 1...Se3
- Tries
- 1.Ke8?
- 1...Sd4
- 2.Qxd4#
- 1...d5
- 2.Qb4#
- 1...Se3
- 2.Qd4#
- 1...Sg3
- 2.Qd4#
- 1...Sh4
- 2.Qd4#
- 1...Sh6
- 2.Qd4#
- 1...Se7
- 2.Qd4#
- 1...c3
- 2.Qd5#
- 1...d6
- 2.Qa5#
- 1...Sd6+!
- 1...Sd4
- 1.Be5?
- threat
- 2.Qa5#
- 1...Sd4
- 2.Qxd4#
- 1...Sd6
- 2.Bxd6#
- 2.Qd4#
- 2.Qxd6#
- 1...c3
- 2.Qxc3#
- 2.Qd5#
- 1...fxe5!
- threat
- 1.Bxf6?
- 1...Sd4
- 2.Qxd4#
- 1...d5
- 2.Qb4#
- 1...Se3
- 2.Qd4#
- 1...Sg3
- 2.Qd4#
- 1...Sh4
- 2.Qd4#
- 1...Sd6
- 2.Qd4#
- 1...Sh6
- 2.Qd4#
- 1...Se7
- 2.Qd4#
- 1...c3
- 2.Qd5#
- 1...d6
- 2.Qa5#
- 1...gxf6!
- 1...Sd4
- 1.Bxc4?
- threat
- 2.Qb4#
- 2.Qd5#
- 1...Sd4
- 2.Qb4#
- 2.Qxd4#
- 1...d5
- 2.Qb4#
- 2.Qxd5#
- 1...Se3
- 2.Qb4#
- 2.Qd4#
- 1...Se7
- 2.Qb4#
- 2.Qd4#
- 1...Kxc4!
- threat
- 1.Qd3?
- 1...Sd4
- 2.Qxd4#
- 1...d5
- 2.Qa3#
- 1...d6
- 2.Qxc4#
- 1...Se3
- 2.Qd4#
- 1...Sg3
- 2.Qd4#
- 1...Sh4
- 2.Qd4#
- 1...Sd6
- 2.Qd4#
- 1...Sh6
- 2.Qd4#
- 1...Se7
- 2.Qd4#
- 1...c3
- 2.Rb5#
- 2.Qd5#
- 1...cxd3!
- 1...Sd4
- 1.Qxd7?
- threat
- 2.Se6#
- 2.Sxb7#
- 2.Rb5#
- 1...Sd4
- 2.Sxb7#
- 2.Bxd4#
- 2.Qxd4#
- 1...Sd6!
- threat
- 1.Ke8?
- Keys
- 1.Qf4!
- 1...Kd5
- 2.Rb5#
- 1...Se3
- 2.Qd4#
- 1...Sg3
- 2.Qd4#
- 1...Sd4
- 2.Qxd4#
- 1...Sh4
- 2.Qd4#
- 1...Sd6
- 2.Qd4#
- 1...Sh6
- 2.Qd4#
- 1...Se7
- 2.Qd4#
- 1...c3
- 2.Qb4#
- 1...d5
- 2.Qc7#
- 1...d6
- 2.Qxc4#
- 1...Kd5
- 1.Qf4!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 3
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- S(c);N_GUARD::QAB1(D)
- S(c);N_GUARD::QAB1(D),XS(c)
- P(a);::QAR1(D)
- P(f);SBLOCK::QAB1(D)
- P(f);SBLOCK::QAR2(D)
- Tries
- Try
- K(H);P-FLIGHT
- Vars
- S(c);N_GUARD::QAB1(D),XS(c)
- P(f);SBLOCK::QAB1(D)
- S(c);N_GUARD::QAB1(D)
- P(a);::QAR1(D)
- P(f);SBLOCK::QAR2(D)
- Refutation
- S(c);CHECK
- Try
- B(A);
- Threat
- QAR2(D)
- Vars
- S(c);N_GUARD::QAB1(D),XS(c)
- Refutation
- P(d);XB(A)
- Try
- B(A);XP(d)
- Vars
- S(c);N_GUARD::QAB1(D),XS(c)
- P(f);SBLOCK::QAB1(D)
- S(c);N_GUARD::QAB1(D)
- P(a);::QAR1(D)
- P(f);SBLOCK::QAR2(D)
- Refutation
- P(g);XB(A)
- Try
- B(C);XP(a)
- Threat
- DUALS(2)
- Refutation
- K(b);P-FLIGHT,XB(C)
- Try
- Q(D);
- Vars
- S(c);N_GUARD::QAB1(D),XS(c)
- P(f);SBLOCK::QAB(D)
- P(f);SBLOCK::QAR1(D),XP(a)
- S(c);N_GUARD::QAB1(D)
- Refutation
- P(a);XQ(D)
- Try
- Q(D);XP(f)
- Threat
- DUALS(3)
- Refutation
- S(c);
- Try
- Actual
- Q(D);
- Vars
- K(b);P-FLIGHT,P_SPINP(a)::R(B)
- S(c);N_GUARD::QAB1(D)
- S(c);N_GUARD::QAB1(D),XS(c)
- P(a);OGATE::QAB1(D)
- P(f);SBLOCK::QAR2(D)
- P(f);SBLOCK::QAR1(D),XP(a)
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