MESON Chess Problem Database
Problem Display
PID: 228795 (6n1/pK1N4/4p3/2PkNp1r/1R1p4/r6n/2B4p/1b2Q1b1 w - - 0 1)
Ahues, Herbert Siegfried Oskar
Freie Presse, 2009
#2
7 + 12
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Bb3#
- 1...Ra2
- 2.Bb3#
- 1...Rb3
- 2.Bxb3#
- 1...Ra4
- 2.Bb3#
- 1...Ra5
- 2.Bb3#
- 1...Ra6
- 2.Bb3#
- 1...Be3
- 2.Qh1#
- 1...f4
- 2.Qe4#
- 1...Ra1
- Tries
- 1.Sd3?
- threat
- 2.Qe5#
- 1...Be3
- 2.Qh1#
- 1...e5
- 2.Qxe5#
- 1...f4!
- threat
- 1.Sf3?
- threat
- 2.Qe5#
- 1...e5
- 2.Qxe5#
- 1...Re3
- 2.Rxd4#
- 1...f4
- 2.Qe4#
- 1...Be3!
- threat
- 1.Sc4?
- threat
- 2.Qe5#
- 1...e5
- 2.Qxe5#
- 1...Be3
- 2.Qh1#
- 1...f4
- 2.Qe4#
- 1...Re3!
- threat
- 1.Sg4?
- threat
- 2.Qe5#
- 1...fxg4
- 2.Qe4#
- 1...e5
- 2.Qxe5#
- 1...Be3
- 2.Qh1#
- 1...f4
- 2.Qe4#
- 1...Re3!
- threat
- 1.Sg6?
- threat
- 2.Qe5#
- 1...e5
- 2.Qxe5#
- 1...Be3
- 2.Qh1#
- 1...f4
- 2.Qe4#
- 1...Re3!
- threat
- 1.Sf7?
- threat
- 2.Qe5#
- 1...e5
- 2.Qxe5#
- 1...Be3
- 2.Qh1#
- 1...f4
- 2.Qe4#
- 1...Re3!
- threat
- 1.Rb6?
- threat
- 2.Rd6#
- 1...Rb3
- 2.Bxb3#
- 1...Ra6
- 2.Bb3#
- 1...axb6!
- threat
- 1.Sd3?
- Keys
- 1.Sc6!
- threat
- 2.Qe5#
- 1...e5
- 2.Qxe5#
- 1...Re3
- 2.Rxd4#
- 1...Be3
- 2.Qh1#
- 1...f4
- 2.Qe4#
- threat
- 1.Sc6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 6
- Sets
- R(d);N_GUARD::B(B)
- R(d);N_GUARD,P_PINR(C)::B(B),XR(d)
- B(b);OGATE::QAB(A)
- P(h);N_GUARD::QAB1(A)
- Tries
- Try
- S(E);
- Threat
- QAR1(A)
- Vars
- B(b);OGATE::QAB(A)
- P(j);::QAR1(A),XP(j)
- Refutation
- P(h);
- Try
- S(E);
- Threat
- QAR1(A)
- Vars
- P(j);::QAR1(A),XP(j)
- R(d);S_CUTB(b)::R1(C),XP(f)
- P(h);N_GUARD::QAB1(A)
- Refutation
- B(b);
- Try
- S(E);
- Threat
- QAR1(A)
- Vars
- P(j);::QAR1(A),XP(j)
- B(b);OGATE::QAB(A)
- P(h);N_GUARD::QAB1(A)
- Refutation
- R(d);
- Try
- S(E);
- Threat
- QAR1(A)
- Vars
- P(h);N_GUARD,XS(E)::QAB1(A)
- P(j);::QAR1(A),XP(j)
- B(b);OGATE::QAB(A)
- P(h);N_GUARD::QAB1(A)
- Refutation
- R(d);
- Try
- S(E);
- Threat
- QAR1(A)
- Vars
- P(j);::QAR1(A),XP(j)
- B(b);OGATE::QAB(A)
- P(h);N_GUARD::QAB1(A)
- Refutation
- R(d);
- Try
- S(E);
- Threat
- QAR1(A)
- Vars
- P(j);::QAR1(A),XP(j)
- B(b);OGATE::QAB(A)
- P(h);N_GUARD::QAB1(A)
- Refutation
- R(d);
- Try
- R(C);
- Threat
- R1(C)
- Vars
- R(d);N_GUARD,P_PINR(C)::B(B),XR(d)
- R(d);N_GUARD::B(B)
- Refutation
- P(k);XR(C)
- Try
- Actual
- S(E);
- Threat
- QAR1(A)
- Vars
- P(j);::QAR1(A),XP(j)
- R(d);S_CUTB(b)::R1(C),XP(f)
- B(b);OGATE::QAB(A)
- P(h);N_GUARD::QAB1(A)
Developed and maintained by Brian Stephenson.
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