MESON Chess Problem Database
Problem Display
PID: 228019 (b4Q2/3B1p1r/3p2p1/1p1k1pR1/8/qPPNR1Bp/3NP3/2b2K2 w - - 0 1)
Mangalis, Laimons
Deutsche Schachzeitung, 1962
#2
11 + 11
| 15148 | Sadier Collection | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Qb2
- 2.Qxd6#
- 2.Qxa8#
- 1...Qb4
- 2.Qxa8#
- 1...Qc5
- 2.Sf4#
- 1...Qa1
- 2.Qxd6#
- 1...Qa2
- 2.Qxd6#
- 1...Qxb3
- 2.Qxd6#
- 2.Qxa8#
- 1...Qa4
- 2.Qxd6#
- 1...Qa5
- 2.Qxd6#
- 1...Qa7
- 2.Qxd6#
- 1...Rh4
- 2.Qxf7#
- 1...Rh5
- 2.Qxf7#
- 1...Rh6
- 2.Qxf7#
- 1...Rh8
- 2.Qxf7#
- 1...b4
- 2.Qxd6#
- 1...Qb2
- Tries
- 1.Se4?
- threat
- 2.Sf6#
- 1...f6
- 2.Sxf6#
- 1...Qxb3!
- threat
- 1.Sb4+?
- 1...Kc5
- 2.Qxd6#
- 1...Qxb4!
- 1...Kc5
- 1.Bxd6?
- threat
- 2.Sf4#
- 2.Re5#
- 1...Qb4
- 2.Sxb4#
- 2.Re5#
- 1...Qa4
- 2.Re5#
- 1...Rh4
- 2.Re5#
- 1...f6
- 2.Sf4#
- 1...Qxd6!
- threat
- 1.Rf3?
- threat
- 2.e4#
- 1...Qb4
- 2.Qxa8#
- 1...Qa4
- 2.Qxd6#
- 1...Rh4
- 2.Qxf7#
- 1...Bxd2!
- threat
- 1.Re6?
- threat
- 2.e4#
- 1...Qb4
- 2.Qxa8#
- 1...Qa4
- 2.Rxd6#
- 2.Qxd6#
- 1...Rh4!
- threat
- 1.Re7?
- threat
- 2.e4#
- 1...Qb4
- 2.Qxa8#
- 1...Rh4
- 2.Qxf7#
- 1...Qa4!
- threat
- 1.Re8?
- threat
- 2.e4#
- 1...Qa4
- 2.Qxd6#
- 1...Rh4
- 2.Qxf7#
- 1...Qb4!
- threat
- 1.Qe7?
- threat
- 2.Qe4#
- 1...Qa4
- 2.Qxd6#
- 1...Rh4
- 2.Qxf7#
- 1...Qb4!
- threat
- 1.Qe8?
- threat
- 2.Qe4#
- 1...Qb4
- 2.Qxa8#
- 1...Rh4
- 2.Qxf7#
- 1...Qa4!
- threat
- 1.b4?
- threat
- 2.Sf4#
- 2.Qxd6#
- 1...Qxb4
- 2.Qxa8#
- 1...Qxc3
- 2.Qxd6#
- 1...Qa6
- 2.Sf4#
- 1...Rh4
- 2.Qxd6#
- 2.Qxf7#
- 1...Bxd2!
- threat
- 1.Se4?
- Keys
- 1.Re4!
- threat
- 2.Rd4#
- 1...Qb4
- 2.Qxa8#
- 1...Qc5
- 2.Sf4#
- 1...Qa4
- 2.Qxd6#
- 1...Qa7
- 2.Qxd6#
- 1...Rh4
- 2.Qxf7#
- threat
- 1.Re4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 7
- Sets
- Q(b);N_GUARD::QAB(K),XB(k)
- Q(b);SBLOCK::S(F)
- Q(b);N_GUARD::QAR1(K),XP(g)
- R(j);N_GUARD::QAB(K),XP(i)
- P(d);S_CUTQ(b)::QAR1(K),XP(g)
- Tries
- Try
- S(B);
- Threat
- S(B)
- Vars
- P(i);::S(B),XP(i)
- Refutation
- Q(b);XP(D)
- Try
- S(F);CHECK
- Vars
- K(e);P-FLIGHT::QAB1(K),XP(g)
- Refutation
- Q(b);XS(F)
- Try
- B(H);XP(g)
- Threat
- DUALS(2)
- Vars
- Q(b);::R1(G)
- R(j);::R1(G)
- P(i);::S(F)
- Refutation
- Q(b);XB(H)
- Try
- R(G);
- Threat
- P(C)
- Vars
- Q(b);N_GUARD::QAB(K),XB(k)
- Q(b);N_GUARD::QAR1(K),XP(g)
- R(j);N_GUARD::QAB(K),XP(i)
- Refutation
- B(a);XS(B)
- Try
- R(G);
- Threat
- P(C)
- Vars
- Q(b);N_GUARD::QAB(K),XB(k)
- Refutation
- R(j);
- Try
- R(G);
- Threat
- P(C)
- Vars
- Q(b);N_GUARD::QAB(K),XB(k)
- R(j);N_GUARD::QAB(K),XP(i)
- Refutation
- Q(b);
- Try
- R(G);
- Threat
- P(C)
- Vars
- Q(b);N_GUARD::QAR1(K),XP(g)
- R(j);N_GUARD::QAB(K),XP(i)
- Refutation
- Q(b);
- Try
- Q(K);
- Threat
- QAB1(K)
- Vars
- Q(b);N_GUARD::QAR1(K),XP(g)
- R(j);N_GUARD::QAB(K),XP(i)
- Refutation
- Q(b);
- Try
- Q(K);
- Threat
- QAB1(K)
- Vars
- Q(b);N_GUARD::QAB(K),XB(k)
- R(j);N_GUARD::QAB(K),XP(i)
- Refutation
- Q(b);
- Try
- P(D);
- Threat
- DUALS(2)
- Vars
- Q(b);N_GUARD,XP(D)::QAB(K),XB(k)
- Q(b);XP(E)::QAR1(K),XP(g)
- Q(b);::S(F)
- Refutation
- B(a);XS(B)
- Try
- Actual
- R(G);
- Threat
- R1(G)
- Vars
- Q(b);N_GUARD::QAB(K),XB(k)
- Q(b);SBLOCK::S(F)
- Q(b);N_GUARD::QAR1(K),XP(g)
- R(j);N_GUARD::QAB(K),XP(i)
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