MESON Chess Problem Database
Problem Display
PID: 89756 (2R5/5p2/3p1B1p/2bk1B1K/r3pQ2/3n4/1N1R2N1/8 w - - 0 1)
Brennan, Gerard
Shire, David J
Die Schwalbe, 1998
#2
8 + 8
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Qxe4#
- 1...Ra2
- 2.Qxe4#
- 1...Ra3
- 2.Qxe4#
- 1...Rd4
- 2.Se3#
- 1...Ra5
- 2.Qxe4#
- 1...Ra6
- 2.Qxe4#
- 1...Ra7
- 2.Qxe4#
- 1...Ra8
- 2.Qxe4#
- 1...Ba3
- 2.Se3#
- 1...Be3
- 2.Sxe3#
- 1...Bb4
- 2.Se3#
- 2.Qxe4#
- 1...Bd4
- 2.Qxe4#
- 1...Ra1
- Tries
- 1.Sxa4?
- threat
- 2.Qxe4#
- 1...e3
- 2.Sc3#
- 2.Qe4#
- 1...Kc4!
- threat
- 1.Bh3?
- threat
- 2.Qf5#
- 1...Rd4
- 2.Se3#
- 1...Bd4!
- threat
- 1.Bxe4+?
- 1...Ke6
- 2.Qf5#
- 1...Rxe4!
- 1...Ke6
- 1.Bg4?
- threat
- 2.Qf5#
- 1...Rd4
- 2.Se3#
- 1...Bd4!
- threat
- 1.Bg6?
- threat
- 2.Bxf7#
- 2.Qf5#
- 1...Ke6
- 2.Qf5#
- 1...Rd4
- 2.Bxf7#
- 1...Ra7
- 2.Qxe4#
- 2.Qf5#
- 1...Bd4
- 2.Bxf7#
- 2.Qxe4#
- 1...fxg6+!
- threat
- 1.Bd7?
- threat
- 2.Qf5#
- 1...Rd4
- 2.Se3#
- 1...Bd4!
- threat
- 1.Bh7?
- threat
- 2.Qf5#
- 1...Ke6
- 2.Qf5#
- 1...Bd4
- 2.Qxe4#
- 1...Rd4!
- threat
- 1.Rxd3+?
- 1...Rd4
- 2.Se3#
- 2.Qxe4#
- 1...Bd4
- 2.Se3#
- 2.Qxe4#
- 1...exd3!
- 1...Rd4
- 1.Qe3?
- threat
- 2.Sf4#
- 1...Bxe3
- 2.Sxe3#
- 1...Bd4
- 2.Qxe4#
- 1...Rd4!
- threat
- 1.Qxd6+?
- 1...Bxd6
- 2.Se3#
- 1...Kxd6!
- 1...Bxd6
- 1.Qf3?
- threat
- 2.Sf4#
- 1...Rd4
- 2.Se3#
- 1...Be3
- 2.Sxe3#
- 1...Bd4
- 2.Qxe4#
- 1...exf3!
- threat
- 1.Qg4?
- threat
- 2.Sf4#
- 1...Rd4
- 2.Se3#
- 1...Be3
- 2.Sxe3#
- 1...Bd4
- 2.Bxe4#
- 2.Qxe4#
- 1...e3!
- threat
- 1.Qh4?
- threat
- 2.Sf4#
- 1...Rd4
- 2.Se3#
- 1...Be3
- 2.Sxe3#
- 1...Bd4
- 2.Qxe4#
- 1...e3!
- threat
- 1.Sxa4?
- Keys
- 1.Bd4!
- threat
- 2.Qxe4#
- 1...Sxf4+
- 2.Sxf4#
- 1...Kxd4
- 2.Rxd3#
- 1...Rxd4
- 2.Se3#
- 1...Sxb2
- 2.Se3#
- 1...Sf2
- 2.Se3#
- 1...e3
- 2.Sxe3#
- 2.Qe4#
- threat
- 1.Bd4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 10
- Sets
- R(b);N_GUARD::QAB1(D),XP(c)
- R(b);N_SPINS(a),S_CUTB(d)::S(C)
- B(d);N_GUARD::S(C)
- B(d);N_GUARD::S(C),XB(d)
- B(d);N_SPINS(a),S_CUTR(b)::QAB1(D),XP(c)
- Tries
- Try
- S(A);XR(b)
- Threat
- QAB1(D),XP(c)
- Refutation
- K(e);N_SPINS(a),P_SPINB(d),P_SPINP(c),S_FLIGHT
- Try
- B(E);
- Threat
- QAR2(D)
- Vars
- R(b);N_SPINS(a),S_CUTB(d)::S(C)
- Refutation
- B(d);N_SPINS(a)
- Try
- B(E);CHECK,XP(c)
- Vars
- K(e);N_SPINS(a),S_FLIGHT::QAB1(D)
- Refutation
- R(b);XB(E)
- Try
- B(E);
- Threat
- QAR2(D)
- Vars
- R(b);N_SPINS(a),S_CUTB(d)::S(C)
- Refutation
- B(d);N_SPINS(a)
- Try
- B(E);
- Threat
- DUALS(2)
- Vars
- K(e);N_SPINS(a),S_FLIGHT::QAB1(D)
- R(b);N_SPINS(a)::B(E),XP(h)
- Refutation
- P(h);CHECK,XB(E)
- Try
- B(E);
- Threat
- QAR2(D)
- Vars
- R(b);N_SPINS(a),S_CUTB(d)::S(C)
- Refutation
- B(d);N_SPINS(a)
- Try
- B(E);
- Threat
- QAR2(D)
- Vars
- K(e);N_SPINS(a),S_FLIGHT::QAB1(D)
- B(d);N_SPINS(a),S_CUTR(b)::QAB1(D),XP(c)
- Refutation
- R(b);N_SPINS(a)
- Try
- R(B);CHECK,XS(a)
- Refutation
- P(c);XR(B)
- Try
- Q(D);
- Threat
- S(C)
- Vars
- B(d);XQ(D)::S(C),XB(d)
- B(d);N_SPINS(a),S_CUTR(b)::QAB1(D),XP(c)
- Refutation
- R(b);N_SPINS(a)
- Try
- Q(D);CHECK,XP(f)
- Vars
- B(d);SBLOCK,XQ(D)::S(C)
- Refutation
- K(e);P-FLIGHT,XQ(D)
- Try
- Q(D);P_PINP(c)
- Threat
- S(C)
- Vars
- R(b);N_SPINS(a),S_CUTB(d)::S(C)
- B(d);N_GUARD::S(C),XB(d)
- B(d);N_SPINS(a),S_CUTR(b)::QAB1(D),XP(c)
- Refutation
- P(c);N_SPINP(c),XQ(D)
- Try
- Q(D);
- Threat
- S(C)
- Vars
- R(b);N_SPINS(a),S_CUTB(d)::S(C)
- B(d);N_GUARD::S(C),XB(d)
- Refutation
- P(c);
- Try
- Q(D);
- Threat
- S(C)
- Vars
- R(b);N_SPINS(a),S_CUTB(d)::S(C)
- B(d);N_GUARD::S(C),XB(d)
- B(d);N_SPINS(a),S_CUTR(b)::QAB1(D),XP(c)
- Refutation
- P(c);
- Try
- Actual
- B(G);N_PINS(a)
- Threat
- QAB1(D),XP(c)
- Vars
- S(a);CHECK,XQ(D)::S(C),XS(a)
- K(e);OGATEB,P-FLIGHT,P_SPINP(c),P_SPINS(a),XB(G)::R1(B),XS(a)
- R(b);SBLOCK,XB(G)::S(C)
- S(a);XS(A)::S(C)
- S(a);::S(C)
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