MESON Chess Problem Database
Problem Display
PID: 28918 (7b/p1Q2B1b/3p4/n7/3k4/3N2Rp/5Kp1/1n2R1B1 w - - 0 1)
Mari, Alberto
4th HM., White MT (A), 1952-1953
#2
7 + 9
| 3105 | FIDE Album (1945-1955) | 1964 |
| 133 | The Problemist Supplement | 2011 |
| 133 | The Problemist Supplement | 2016 |
SOLUTION
- SOUND
- Sets
- 1...Bxd3
- 2.Kf3#
- 1...Be4
- 2.Ke2#
- 1...Sc3
- 2.Qxa7#
- 1...Sb3
- 2.Qc4#
- 1...Sc4
- 2.Qxc4#
- 1...Sb7
- 2.Qc4#
- 1...d5
- 2.Qc5#
- 1...Bxd3
- Tries
- 1.Sc1?
- threat
- 2.Kf3#
- 2.Qxd6#
- 2.Qxa7#
- 1...Sc6
- 2.Sb3#
- 2.Qxd6#
- 1...Bd3
- 2.Kf3#
- 2.Rxd3#
- 1...Be5
- 2.Kf3#
- 2.Qxa7#
- 1...Sd2
- 2.Qxd6#
- 2.Qc3#
- 2.Qxa7#
- 1...Sc3
- 2.Kf3#
- 2.Qxc3#
- 2.Qxa7#
- 1...Sb3
- 2.Kf3#
- 2.Sxb3#
- 2.Qxd6#
- 2.Qc4#
- 1...Sc4
- 2.Sb3#
- 2.Qxc4#
- 1...Sb7
- 2.Kf3#
- 2.Sb3#
- 2.Qc4#
- 1...h2
- 2.Qxd6#
- 2.Qxa7#
- 1...d5
- 2.Kf3#
- 1...a6
- 2.Kf3#
- 2.Qb6#
- 2.Qxd6#
- 2.Qa7#
- 1...Be4!
- threat
- 1.Sb2?
- threat
- 2.Kf3#
- 2.Qxd6#
- 2.Qxa7#
- 1...Sc6
- 2.Qxd6#
- 1...Bd3
- 2.Kf3#
- 2.Rxd3#
- 1...Be5
- 2.Kf3#
- 2.Qxa7#
- 1...Sd2
- 2.Qxd6#
- 2.Qc3#
- 2.Qxa7#
- 1...Sc3
- 2.Kf3#
- 2.Qxc3#
- 2.Qxa7#
- 1...Sb3
- 2.Kf3#
- 2.Qxd6#
- 2.Qc4#
- 1...Sc4
- 2.Qxc4#
- 1...Sb7
- 2.Kf3#
- 2.Qc4#
- 1...h2
- 2.Qxd6#
- 2.Qxa7#
- 1...d5
- 2.Kf3#
- 2.Qxa7#
- 1...a6
- 2.Kf3#
- 2.Qb6#
- 2.Qxd6#
- 2.Qa7#
- 1...Be4!
- threat
- 1.Sb4?
- threat
- 2.Kf3#
- 2.Qxd6#
- 2.Qxa7#
- 1...Sc6
- 2.Qxd6#
- 1...Bd3
- 2.Kf3#
- 2.Rxd3#
- 1...Be5
- 2.Kf3#
- 2.Qxa7#
- 1...Sd2
- 2.Qxd6#
- 2.Qc3#
- 2.Qxa7#
- 1...Sc3
- 2.Kf3#
- 2.Qxc3#
- 2.Qxa7#
- 1...Sb3
- 2.Kf3#
- 2.Qxd6#
- 2.Qc4#
- 1...Sc4
- 2.Qxc4#
- 1...Sb7
- 2.Kf3#
- 2.Qc4#
- 1...h2
- 2.Qxd6#
- 2.Qxa7#
- 1...d5
- 2.Kf3#
- 1...a6
- 2.Kf3#
- 2.Qb6#
- 2.Qxd6#
- 2.Qa7#
- 1...Be4!
- threat
- 1.Sf4?
- threat
- 2.Kf3#
- 2.Qxd6#
- 2.Qxa7#
- 1...Sc6
- 2.Qxd6#
- 1...Bd3
- 2.Kf3#
- 2.Rxd3#
- 1...Be5
- 2.Kf3#
- 2.Qxa7#
- 1...Sd2
- 2.Qxd6#
- 2.Qc3#
- 2.Qxa7#
- 1...Sc3
- 2.Kf3#
- 2.Qxc3#
- 2.Qxa7#
- 1...Sb3
- 2.Kf3#
- 2.Qxd6#
- 2.Qc4#
- 1...Sc4
- 2.Qxc4#
- 1...Sb7
- 2.Kf3#
- 2.Qc4#
- 1...h2
- 2.Qxd6#
- 2.Qxa7#
- 1...d5
- 2.Kf3#
- 2.Se6#
- 1...a6
- 2.Kf3#
- 2.Qb6#
- 2.Qxd6#
- 2.Qa7#
- 1...Be4!
- threat
- 1.Se5?
- threat
- 2.Kf3#
- 2.Qxd6#
- 2.Qxa7#
- 1...Bxe5
- 2.Qxa7#
- 1...dxe5
- 2.Qd6#
- 2.Qxa7#
- 1...Sc6
- 2.Qxd6#
- 1...Bd3
- 2.Kf3#
- 2.Sf3#
- 2.Rxd3#
- 1...Sd2
- 2.Qxd6#
- 2.Qc3#
- 2.Qxa7#
- 1...Sc3
- 2.Kf3#
- 2.Qxc3#
- 2.Qxa7#
- 1...Sb3
- 2.Kf3#
- 2.Qxd6#
- 2.Qc4#
- 1...Sc4
- 2.Qxc4#
- 1...Sb7
- 2.Kf3#
- 2.Qc4#
- 1...h2
- 2.Qxd6#
- 2.Qxa7#
- 1...d5
- 2.Kf3#
- 2.Qxa7#
- 1...a6
- 2.Kf3#
- 2.Qb6#
- 2.Qxd6#
- 2.Qa7#
- 1...Be4!
- threat
- 1.Re4+?
- 1...Bxe4
- 2.Ke1#
- 2.Ke2#
- 1...Kxe4!
- 1...Bxe4
- 1.Rxh3?
- threat
- 2.Kxg2#
- 1...Sc4
- 2.Qxc4#
- 1...Be4
- 2.Ke2#
- 1...Sc6!
- threat
- 1.Rg4+?
- 1...Be4
- 2.Ke2#
- 1...Kxd3!
- 1...Be4
- 1.Qxa5?
- threat
- 2.Qb4#
- 1...Bxd3
- 2.Kf3#
- 1...Sd2
- 2.Qa1#
- 1...Sa3!
- threat
- 1.Qb6+?
- 1...Kc3
- 2.Qb2#
- 1...axb6!
- 1...Kc3
- 1.Qc2?
- threat
- 2.Kf3#
- 1...Be4
- 2.Ke2#
- 1...Sd2
- 2.Qb2#
- 1...Sc4
- 2.Qxc4#
- 1...h2!
- threat
- 1.Sc1?
- Keys
- 1.Sc5!
- threat
- 2.Qxd6#
- 1...dxc5
- 2.Qd6#
- 2.Qd8#
- 2.Qd7#
- 1...Bd3
- 2.Rxd3#
- 1...Be4
- 2.Rxe4#
- 1...d5
- 2.Se6#
- 1...Be5
- 2.Ke2#
- 1...Sc3
- 2.Kf3#
- 1...Sc4
- 2.Sb3#
- 1...Sb7
- 2.Sb3#
- threat
- 1.Sc5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 6
- ADDED MATES = 1
- REMOVED MATES = 1
- Sets
- B(h);SBLOCK,XS(D)::B(B)+K(C)
- B(h);SBLOCK::B(B)+K(C)
- S(a);SBLOCK::QAB(F),XP(g)
- S(e);N_GUARD::QAR1(F)
- S(e);N_GUARD::QAR1(F),XS(e)
- P(f);N_GUARD::QAB1(F)
- Tries
- Try
- S(D);
- Threat
- DUALS(3)
- Vars
- P(f);::B(B)+K(C)
- Refutation
- B(h);
- Try
- S(D);
- Threat
- DUALS(3)
- Vars
- S(e);::QAR2(F),XP(f)
- S(e);N_GUARD::QAR1(F),XS(e)
- Refutation
- B(h);
- Try
- S(D);
- Threat
- DUALS(3)
- Vars
- S(e);::QAR2(F),XP(f)
- S(e);N_GUARD::QAR1(F),XS(e)
- P(f);::B(B)+K(C)
- Refutation
- B(h);
- Try
- S(D);
- Threat
- DUALS(3)
- Vars
- S(e);::QAR2(F),XP(f)
- S(e);N_GUARD::QAR1(F),XS(e)
- Refutation
- B(h);
- Try
- S(D);
- Threat
- DUALS(3)
- Vars
- B(i);XS(D)::QAB(F),XP(g)
- S(e);::QAR2(F),XP(f)
- S(e);N_GUARD::QAR1(F),XS(e)
- Refutation
- B(h);
- Try
- R(A);CHECK
- Refutation
- K(d);P-FLIGHT,XR(A)
- Try
- R(E);XP(c)
- Threat
- B(B)+K(C),XP(b)
- Vars
- S(e);N_GUARD::QAR1(F),XS(e)
- B(h);SBLOCK::B(B)+K(C)
- Refutation
- S(e);
- Try
- R(E);CHECK
- Vars
- B(h);P_SPINB(h)::B(B)+K(C)
- Refutation
- K(d);P-FLIGHT,XS(D)
- Try
- Q(F);XS(e)
- Threat
- QAR2(F)
- Vars
- B(h);SBLOCK,XS(D)::B(B)+K(C)
- S(a);N_GUARD::QAB(F)
- Refutation
- S(a);
- Try
- Q(F);CHECK
- Vars
- K(d);S_FLIGHT::QAB1(F)
- Refutation
- P(g);XQ(F)
- Try
- Q(F);
- Threat
- B(B)+K(C)
- Vars
- B(h);SBLOCK::B(B)+K(C)
- S(a);N_GUARD::QAB(F)
- S(e);N_GUARD::QAR1(F),XS(e)
- Refutation
- P(c);
- Try
- Actual
- S(D);
- Threat
- QAR2(F),XP(f)
- Vars
- B(h);N_GUARD::R1(E),XB(h)
- B(h);N_GUARD::R1(A),XB(h)
- P(f);SBLOCK::S(D)
- B(i);SBLOCK::B(B)+K(C)
- S(a);SBLOCK::B(B)+K(C)
- S(e);N_GUARD::S(D)
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