MESON Chess Problem Database
Problem Display
PID: 154084 (2N3K1/3BB1Q1/2R1p3/3k4/Pq2pbN1/3b1P2/8/4R3 w - - 0 1)
Flant, G
diagrammes, 1974
#2
10 + 6
SOLUTION
- SOUND
- Sets
- 1...Qxe1
- 2.Sb6#
- 2.Rc5#
- 1...Qd2
- 2.Sb6#
- 2.Rc5#
- 1...Qa3
- 2.Sb6#
- 1...Qc3
- 2.Sb6#
- 1...Qc5
- 2.Rxc5#
- 1...Qd6
- 2.Sb6#
- 1...Qxe7
- 2.Sb6#
- 2.Sxe7#
- 1...Qb1
- 2.Rc5#
- 1...Qb2
- 2.Rc5#
- 1...Qb3
- 2.Rc5#
- 1...Qxa4
- 2.Sb6#
- 2.Rc5#
- 1...Qc4
- 2.Sb6#
- 1...Qb6
- 2.Sxb6#
- 1...Qb7
- 2.Rc5#
- 1...Qb8
- 2.Rc5#
- 1...Bc4
- 2.fxe4#
- 1...Bb5
- 2.Sb6#
- 1...Bc1
- 2.Qe5#
- 1...Bd2
- 2.Qe5#
- 1...Bh2
- 2.Se3#
- 1...Be3
- 2.Sxe3#
- 2.Qe5#
- 1...Bg3
- 2.Se3#
- 1...Be5
- 2.Qxe5#
- 1...Bg5
- 2.Qe5#
- 1...Bd6
- 2.Se3#
- 1...Bh6
- 2.Qe5#
- 1...Bc7
- 2.Se3#
- 1...Bb8
- 2.Se3#
- 1...Qxe1
- Tries
- 1.Bxb4?
- threat
- 2.Sb6#
- 2.Se7#
- 2.Rc5#
- 1...Be5
- 2.Qxe5#
- 1...Be3
- 2.Sxe3#
- 2.Se7#
- 2.Qe5#
- 1...Bg5
- 2.Sb6#
- 2.Rc5#
- 2.Qe5#
- 1...Bd6
- 2.Se3#
- 2.Sb6#
- 1...Bc7
- 2.Se3#
- 2.Se7#
- 2.Rc5#
- 1...e5!
- threat
- 1.Bd6?
- threat
- 2.Se7#
- 1...Qxd6
- 2.Sb6#
- 1...Bxd6
- 2.Se3#
- 1...Qc5
- 2.Rxc5#
- 1...Be5
- 2.Qxe5#
- 1...Qb8
- 2.Rc5#
- 1...Bg5
- 2.Qe5#
- 1...e5!
- threat
- 1.Rxe4?
- threat
- 2.Sf6#
- 1...Qxe7
- 2.Sb6#
- 2.Sxe7#
- 2.Rd4#
- 2.Qd4#
- 1...Qxe4
- 2.Sb6#
- 2.Rc5#
- 1...Qc3
- 2.Sb6#
- 1...Qb2
- 2.Rc5#
- 1...Qd4
- 2.Rxd4#
- 2.Qxd4#
- 1...Be5
- 2.Se3#
- 2.Qxe5#
- 1...Bg5
- 2.Qe5#
- 1...Bxe4!
- threat
- 1.Qc3?
- threat
- 2.Sf6#
- 2.Bxe6#
- 1...Qxe7
- 2.Sb6#
- 2.Sxe7#
- 1...Qc5
- 2.Sf6#
- 2.Rxc5#
- 2.Qxc5#
- 1...Qd6
- 2.Sf6#
- 2.Sb6#
- 1...Qc4
- 2.Sf6#
- 2.Sb6#
- 1...Qd4
- 2.Bxe6#
- 1...Bc4
- 2.Sf6#
- 2.fxe4#
- 1...Be5
- 2.Se3#
- 2.Bxe6#
- 2.Qxe5#
- 1...Bg5
- 2.Bxe6#
- 2.Qe5#
- 1...Bd6
- 2.Se3#
- 2.Sf6#
- 1...e5
- 2.Sf6#
- 2.Be6#
- 1...Qxc3!
- threat
- 1.fxe4+?
- 1...Qxe4
- 2.Sb6#
- 2.Rc5#
- 1...Bxe4!
- 1...Qxe4
- 1.Bxb4?
- Keys
- 1.Rc4!
- threat
- 2.Qd4#
- 1...Kxc4
- 2.Bxe6#
- 1...Qxc4
- 2.Sb6#
- 1...Bxc4
- 2.fxe4#
- 1...Qc3
- 2.Sb6#
- 1...Qc5
- 2.Rxc5#
- 1...Qb2
- 2.Rc5#
- 1...Qb6
- 2.Sxb6#
- 1...Be3
- 2.Sxe3#
- 1...Be5
- 2.Se3#
- 1...e5
- 2.Qf7#
- threat
- 1.Rc4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 3
- REMOVED MATES = 16
- Sets
- Q(b);N_GUARD::S(I)
- Q(b);N_GUARD::R1(E),XQ(b)
- Q(b);N_GUARD::R1(E)
- Q(b);N_GUARD::S(I),XQ(b)
- Q(b);N_GUARD,P_PINS(I)::R1(E)
- B(a);N_GUARD,S_CUTQ(b)::P(B),XP(c)
- B(a);S_CUTQ(b)::S(I)
- B(d);N_GUARD::QAR1(H)
- B(d);N_GUARD::S(D)
- B(d);N_GUARD::QAR1(H),XB(d)
- Tries
- Try
- B(G);XQ(b)
- Threat
- DUALS(3)
- Vars
- B(d);N_GUARD::QAR1(H),XB(d)
- Refutation
- P(f);
- Try
- B(G);
- Threat
- S(I)
- Vars
- Q(b);N_GUARD,XB(G)::S(I)
- B(d);N_GUARD,XB(G)::S(D)
- Q(b);N_GUARD::R1(E),XQ(b)
- B(d);N_GUARD::QAR1(H),XB(d)
- Q(b);N_GUARD,P_PINS(I)::R1(E)
- B(d);N_GUARD::QAR1(H)
- Refutation
- P(f);
- Try
- R(A);XP(c)
- Threat
- S(D)
- Vars
- Q(b);N_GUARD::S(I)
- Q(b);N_GUARD::R1(E)
- B(d);N_GUARD::QAR1(H)
- Refutation
- B(a);XR(A)
- Try
- Q(H);
- Threat
- DUALS(2)
- Vars
- Q(b);::B(F),XP(f)
- Refutation
- Q(b);XQ(H)
- Try
- P(B);CHECK,XP(c)
- Refutation
- B(a);XP(B)
- Try
- Actual
- R(E);
- Threat
- QAR1(H)
- Vars
- K(e);S_FLIGHT,XR(E)::B(F),XP(f)
- Q(b);N_GUARD,XR(E)::S(I)
- B(a);N_GUARD,SBLOCK,XR(E)::P(B),XP(c)
- Q(b);N_GUARD::S(I)
- Q(b);N_GUARD::R1(E),XQ(b)
- Q(b);N_GUARD::R1(E)
- Q(b);N_GUARD::S(I),XQ(b)
- B(d);N_GUARD::S(D),XB(d)
- B(d);N_GUARD::S(D)
- P(f);OGATEB::QAB(H)
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