MESON Chess Problem Database
Problem Display
PID: 145833 (4Q1Kn/2r1p3/N7/1nb4R/2k2p2/1ppR4/P3N3/1B6 w - - 0 1)
Maleika, Gerhard
Heilbronner Stimme, 2007
#2
8 + 9
| 23 | Die Schwalbe | 2012 |
SOLUTION
- SOUND
- Sets
- 1...Ra7
- 2.Rxc5#
- 1...Rb7
- 2.Rxc5#
- 1...Rd7
- 2.Rxc5#
- 1...Bg1
- 2.Qxb5#
- 1...Bf2
- 2.Qxb5#
- 1...Ba3
- 2.Qxb5#
- 1...Be3
- 2.Qxb5#
- 1...Bb4
- 2.Qxb5#
- 1...Bd4
- 2.Qxb5#
- 1...Bb6
- 2.Qxb5#
- 1...Bd6
- 2.Qxb5#
- 1...Ba7
- 2.Qxb5#
- 1...Sa3
- 2.Rxc3#
- 1...Sd4
- 2.Rxc3#
- 1...Sd6
- 2.Rxc3#
- 1...Sa7
- 2.Rxc3#
- 1...e5
- 2.Qe6#
- 1...e6
- 2.Qxe6#
- 1...Ra7
- Tries
- 1.Sd4?
- threat
- 2.Qxb5#
- 2.axb3#
- 1...Bxd4
- 2.Qxb5#
- 1...bxa2
- 2.Qxb5#
- 1...c2
- 2.Qxb5#
- 1...e5
- 2.Qe6#
- 1...Rc6
- 2.axb3#
- 1...Rb7
- 2.Rxc5#
- 2.axb3#
- 1...Rd7
- 2.Rxc5#
- 2.axb3#
- 1...Rc8
- 2.axb3#
- 1...Sa3
- 2.axb3#
- 1...Sd6
- 2.axb3#
- 1...Sa7
- 2.axb3#
- 1...b2
- 2.Qxb5#
- 1...Sxd4!
- threat
- 1.Rd1?
- threat
- 2.Bd3#
- 1...bxa2
- 2.Bxa2#
- 1...Rd7
- 2.Rxc5#
- 1...e5
- 2.Qe6#
- 1...c2!
- threat
- 1.Re3?
- threat
- 2.Bd3#
- 1...Bxe3
- 2.Qxb5#
- 1...bxa2
- 2.Bxa2#
- 1...e5
- 2.Qe6#
- 1...Rd7
- 2.Rxc5#
- 1...c2
- 2.axb3#
- 1...fxe3!
- threat
- 1.Rdh3?
- threat
- 2.Bd3#
- 1...bxa2
- 2.Bxa2#
- 1...e5
- 2.Qe6#
- 1...Rd7
- 2.Rxc5#
- 1...Be3
- 2.Qxb5#
- 1...c2
- 2.axb3#
- 1...f3!
- threat
- 1.Rd4+?
- 1...Bxd4
- 2.Qxb5#
- 1...Sxd4!
- 1...Bxd4
- 1.Qd7?
- threat
- 2.Qe6#
- 2.Qd5#
- 1...Rxd7
- 2.Rxc5#
- 1...Sd4
- 2.Rxc3#
- 1...Rc6
- 2.Qd5#
- 1...Bd6
- 2.Qxb5#
- 2.Qe6#
- 1...Sa3
- 2.Rxc3#
- 1...Sd6
- 2.Rxc3#
- 1...Sa7
- 2.Rxc3#
- 1...c2
- 2.Qd5#
- 2.axb3#
- 1...e6
- 2.Qxe6#
- 1...Rc8+!
- threat
- 1.Qf7+?
- 1...e6
- 2.Qxe6#
- 1...Sxf7!
- 1...e6
- 1.Sd4?
- Keys
- 1.Rf3!
- threat
- 2.Bd3#
- 1...bxa2
- 2.Bxa2#
- 1...e5
- 2.Qe6#
- 1...Rd7
- 2.Rxc5#
- 1...Be3
- 2.Qxb5#
- 1...c2
- 2.axb3#
- threat
- 1.Rf3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 15
- Sets
- R(g);N_GUARD::R1(E),XB(f)
- B(f);::QAB1(G),XS(e)
- S(e);N_GUARD::R1(D),XP(b)
- P(h);OGATE::QAB(G)
- P(h);OGATE::QAB(G),XP(h)
- Tries
- Try
- S(C);
- Threat
- DUALS(2)
- Vars
- B(f);XS(C)::QAB1(G),XS(e)
- P(a);XP(B)::QAB1(G),XS(e)
- P(b);::QAB1(G),XS(e)
- P(h);OGATE::QAB(G)
- R(g);::P(B),XP(a)
- R(g);P_PINQ(G)::P(B),XP(a)
- S(e);::P(B),XP(a)
- P(a);::QAB1(G),XS(e)
- Refutation
- S(e);XS(C)
- Try
- R(D);
- Threat
- B(A)
- Vars
- P(a);OGATE,XP(B)::B(A),XP(a)
- R(g);N_GUARD::R1(E),XB(f)
- P(h);OGATE::QAB(G)
- Refutation
- P(b);
- Try
- R(D);
- Threat
- B(A)
- Vars
- B(f);XR(D)::QAB1(G),XS(e)
- P(a);OGATE,XP(B)::B(A),XP(a)
- P(h);OGATE::QAB(G)
- R(g);N_GUARD::R1(E),XB(f)
- P(b);::P(B),XP(a)
- Refutation
- P(d);XR(D)
- Try
- R(D);
- Threat
- B(A)
- Vars
- P(a);OGATE,XP(B)::B(A),XP(a)
- P(h);OGATE::QAB(G)
- R(g);N_GUARD::R1(E),XB(f)
- B(f);::QAB1(G),XS(e)
- P(b);::P(B),XP(a)
- Refutation
- P(d);
- Try
- R(D);CHECK
- Vars
- B(f);XR(D)::QAB1(G),XS(e)
- Refutation
- S(e);XR(D)
- Try
- Q(G);
- Threat
- DUALS(2)
- Vars
- R(g);N_GUARD,XQ(G)::R1(E),XB(f)
- S(e);N_GUARD::R1(D),XP(b)
- R(g);::QAB1(G)
- P(h);::QAB(G),XP(h)
- Refutation
- R(g);CHECK
- Try
- Q(G);CHECK
- Vars
- P(h);P_SPINP(h)::QAB(G),XP(h)
- Refutation
- S(i);XQ(G)
- Try
- Actual
- R(D);
- Threat
- B(A)
- Vars
- P(a);OGATE,XP(B)::B(A),XP(a)
- P(h);OGATE::QAB(G)
- R(g);N_GUARD::R1(E),XB(f)
- B(f);::QAB1(G),XS(e)
- P(b);::P(B),XP(a)
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