MESON Chess Problem Database
Problem Display
PID: 141770 (8/4K3/4P3/3k2p1/1PR2Pn1/1P1N1nb1/1Q4N1/7R w - - 0 1)
Lamboo, CH
Probleemblad, 1977
#2
10 + 5
SOLUTION
- SOUND
- Sets
- 1...Se1
- 2.Qd4#
- 1...Sg1
- 2.Qd4#
- 1...Sd2
- 2.Qd4#
- 1...Sfh2
- 2.Qd4#
- 1...Sd4
- 2.Qxd4#
- 1...Sh4
- 2.Qd4#
- 1...Sfe5
- 2.Qd4#
- 1...Sf2
- 2.Se3#
- 1...Sgh2
- 2.Se3#
- 1...Se3
- 2.Sxe3#
- 1...Sge5
- 2.Se3#
- 1...Sf6
- 2.Se3#
- 1...Sh6
- 2.Se3#
- 1...Se1
- Tries
- 1.Sf2?
- threat
- 2.Rc5#
- 1...Sxf2
- 2.Se3#
- 1...Bxf2!
- threat
- 1.Ra1?
- threat
- 2.Ra5#
- 1...Sd4
- 2.Qxd4#
- 1...Bf2!
- threat
- 1.Rh8?
- threat
- 2.Rd8#
- 1...Sd4
- 2.Qxd4#
- 1...Sfe5
- 2.Qd4#
- 1...Sge5
- 2.Se3#
- 1...Sf6
- 2.Se3#
- 1...Bxf4!
- threat
- 1.Qa3?
- threat
- 2.Qa5#
- 2.Qa8#
- 1...Bf2
- 2.Qa8#
- 1...Sfe5
- 2.Qa5#
- 1...Sge5
- 2.Se3#
- 2.Qa5#
- 1...Sd4!
- threat
- 1.Qe5+?
- 1...Sgxe5
- 2.Se3#
- 1...Sfxe5!
- 1...Sgxe5
- 1.Qh8?
- threat
- 2.Qa8#
- 2.Qd8#
- 1...Bxf4
- 2.Qa8#
- 1...Sd4
- 2.Qxd4#
- 1...Sge5
- 2.Se3#
- 1...Sf6
- 2.Se3#
- 2.Qa8#
- 1...Sfe5!
- threat
- 1.Qa2?
- threat
- 2.Qa5#
- 2.Qa8#
- 1...Bf2
- 2.Qa8#
- 1...Sfe5
- 2.Qa5#
- 1...Sge5
- 2.Se3#
- 2.Qa5#
- 1...Sd4!
- threat
- 1.Qe2?
- threat
- 2.Qxf3#
- 2.Qe4#
- 1...Se1
- 2.Qe4#
- 1...Sg1
- 2.Qe4#
- 1...Sfh2
- 2.Qe4#
- 1...Sd4
- 2.Rc5#
- 1...Sh4
- 2.Qe4#
- 1...Sfe5
- 2.Qe4#
- 1...Sf2
- 2.Se3#
- 1...Sgh2
- 2.Se3#
- 2.Qe4#
- 1...Se3
- 2.Sxe3#
- 2.Qxf3#
- 1...Sge5
- 2.Se3#
- 2.Qe4#
- 1...Sf6
- 2.Se3#
- 1...Sd2!
- threat
- 1.Qf2?
- threat
- 2.Qc5#
- 2.Qxf3#
- 1...Sxf2
- 2.Se3#
- 1...Sd4
- 2.Qxd4#
- 1...Se1
- 2.Qd4#
- 2.Qc5#
- 1...Sg1
- 2.Qd4#
- 2.Qc5#
- 1...Sd2
- 2.Qd4#
- 2.Qc5#
- 1...Sfh2
- 2.Qd4#
- 2.Qc5#
- 1...Sh4
- 2.Qd4#
- 2.Qc5#
- 1...Sfe5
- 2.Qd4#
- 2.Qc5#
- 1...Sgh2
- 2.Se3#
- 2.Qc5#
- 1...Se3
- 2.Sxe3#
- 2.Qxf3#
- 1...Sge5
- 2.Se3#
- 2.Qc5#
- 1...Sf6
- 2.Se3#
- 2.Qc5#
- 1...Bxf2!
- threat
- 1.b5?
- threat
- 2.Sb4#
- 1...Sd4
- 2.Rxd4#
- 2.Qxd4#
- 1...Be1!
- threat
- 1.Sf2?
- Keys
- 1.Qa1!
- threat
- 2.Qa5#
- 2.Qa8#
- 1...Sd4
- 2.Qxd4#
- 1...Bf2
- 2.Qa8#
- 1...Sfe5
- 2.Qd4#
- 2.Qa5#
- 1...Sge5
- 2.Se3#
- 2.Qa5#
- threat
- 1.Qa1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 12
- Sets
- S(a);N_GUARD::QAR1(B)
- S(a);N_GUARD::QAR1(B),XS(a)
- S(c);N_GUARD::S(C)
- S(c);N_GUARD::S(C),XS(c)
- Tries
- Try
- S(E);
- Threat
- R1(G)
- Vars
- S(c);N_GUARD,XS(E)::S(C)
- Refutation
- B(b);XS(E)
- Try
- R(A);
- Threat
- R(A)
- Vars
- S(a);N_GUARD::QAR1(B),XS(a)
- Refutation
- B(b);
- Try
- R(A);
- Threat
- R(A)
- Vars
- S(a);N_GUARD::QAR1(B),XS(a)
- S(a);N_GUARD::QAR1(B)
- S(c);N_GUARD::S(C)
- Refutation
- B(b);XP(H)
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- B(b);::QAB(B)
- S(a);::QAR(B)
- Refutation
- S(a);
- Try
- Q(B);CHECK
- Vars
- S(c);XQ(B)::S(C)
- Refutation
- S(a);XQ(B)
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- B(b);XP(H)::QAB(B)
- S(a);N_GUARD::QAR1(B),XS(a)
- S(c);N_GUARD::S(C)
- Refutation
- S(a);
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- B(b);::QAB(B)
- S(a);::QAR(B)
- Refutation
- S(a);
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- S(a);::QAB1(B)
- S(a);SBLOCK::R1(G)
- S(c);N_GUARD::S(C)
- Refutation
- S(a);
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- S(c);N_GUARD,XQ(B)::S(C)
- S(a);N_GUARD::QAR1(B),XS(a)
- Refutation
- B(b);XQ(B)
- Try
- P(F);
- Threat
- S(E)
- Refutation
- B(b);
- Try
- Actual
- Q(B);
- Threat
- DUALS(2)
- Vars
- S(a);N_GUARD::QAR1(B),XS(a)
- B(b);::QAB(B)
Developed and maintained by Brian Stephenson.
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