MESON Chess Problem Database
Problem Display
PID: 41579 (B6B/4pK2/4Q3/2prb1p1/3P1kp1/2NR4/q1N3R1/3b4 w - - 0 1)
Maleika, Gerhard
Die Schwalbe, 2002
#2
9 + 9
SOLUTION
- SOUND
- Sets
- 1...Rxd4
- 2.Bxe5#
- 1...Rd6
- 2.Bxe5#
- 1...Rd7
- 2.Bxe5#
- 1...Rd8
- 2.Bxe5#
- 1...Bxc2
- 2.Rf2#
- 2.Rxg4#
- 2.Qxg4#
- 1...Bxd4
- 2.Qe4#
- 1...Bd6
- 2.Qe4#
- 1...Bf6
- 2.Qe4#
- 1...Bc7
- 2.Qe4#
- 1...Bg7
- 2.Qe4#
- 1...Bb8
- 2.Qe4#
- 1...Bxh8
- 2.Qe4#
- 1...Rxd4
- Tries
- 1.Kg6?
- threat
- 2.Qf5#
- 1...Bxd4
- 2.Qe4#
- 1...Bxh8
- 2.Qe3#
- 2.Qe4#
- 1...Rd6
- 2.Bxe5#
- 1...Bd6
- 2.Qe3#
- 2.Qe4#
- 1...Bf6
- 2.Qe3#
- 2.Qe4#
- 1...Bc7
- 2.Qe3#
- 2.Qe4#
- 1...Bg7
- 2.Qe3#
- 2.Qe4#
- 1...Bb8
- 2.Qe3#
- 2.Qe4#
- 1...Qa6!
- threat
- 1.Se2+?
- 1...Ke4
- 2.Re3#
- 2.Qg6#
- 1...Bxe2!
- 1...Ke4
- 1.Sxd5+?
- 1...Ke4
- 2.Re3#
- 2.Qg6#
- 1...Qxd5!
- 1...Ke4
- 1.Bxd5?
- threat
- 2.Bxe5#
- 2.Qxe5#
- 1...Bxd4
- 2.Qe4#
- 1...Bxh8
- 2.Qe4#
- 1...Bd6
- 2.Qe4#
- 1...Bf6
- 2.Qe4#
- 1...Bc7
- 2.Qe4#
- 1...Bg7
- 2.Qe4#
- 1...Bb8
- 2.Qe4#
- 1...g3
- 2.Bxe5#
- 1...Qxd5!
- threat
- 1.Re2?
- threat
- 2.Re4#
- 1...Rxd4
- 2.Bxe5#
- 1...Bxe2!
- threat
- 1.Rxd1?
- threat
- 2.Rf1#
- 2.Qxg4#
- 1...Kf3
- 2.Qxg4#
- 1...Rxd4
- 2.Se2#
- 2.Bxe5#
- 2.Rf1#
- 2.Rxg4#
- 1...Bxd4
- 2.Qxg4#
- 2.Qe4#
- 1...Qb1
- 2.Qxg4#
- 1...Qc4
- 2.Qxg4#
- 1...Qa1
- 2.Qxg4#
- 1...Qa6
- 2.Qxg4#
- 1...Rd6
- 2.Se2#
- 2.Bxe5#
- 2.Rf1#
- 2.Rxg4#
- 1...Rd7
- 2.Se2#
- 2.Bxe5#
- 2.Rf1#
- 2.Rxg4#
- 1...Rd8
- 2.Se2#
- 2.Bxe5#
- 2.Rf1#
- 2.Rxg4#
- 1...g3
- 2.Rf1#
- 1...Qxc2!
- threat
- 1.Rf3+?
- 1...Kxf3
- 2.Qxg4#
- 1...gxf3
- 2.Rg4#
- 2.Qg4#
- 1...Bxf3!
- 1...Kxf3
- 1.Kg6?
- Keys
- 1.Se3!
- threat
- 2.Qf5#
- 1...Kf3
- 2.Qxg4#
- 1...Qxg2
- 2.Sxg2#
- 1...Rxd4
- 2.Bxe5#
- 1...Bxd4
- 2.Qe4#
- 1...Bxh8
- 2.Qe4#
- 1...Rd6
- 2.Bxe5#
- 1...Rd7
- 2.Bxe5#
- 1...Rd8
- 2.Bxe5#
- 1...Bd6
- 2.Qe4#
- 1...Bf6
- 2.Qe4#
- 1...Bc7
- 2.Qe4#
- 1...Bg7
- 2.Qe4#
- 1...Bb8
- 2.Qe4#
- threat
- 1.Se3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- R(f);N_GUARD,P_PINQ(F),XP(E)::B(I),XB(g)
- R(f);N_GUARD,P_PINQ(F)::B(I),XB(g)
- B(g);OGATE,XP(E)::QAR1(F)
- B(g);OGATE::QAR1(F)
- B(g);OGATE,XB(I)::QAR1(F)
- Tries
- Try
- K(G);S_FLIGHT
- Threat
- QAR1(F)
- Vars
- B(g);OGATE,XP(E)::QAR1(F)
- R(f);N_GUARD,P_PINQ(F)::B(I),XB(g)
- Refutation
- Q(b);P_PINQ(F)
- Try
- S(C);CHECK
- Refutation
- B(a);XS(C)
- Try
- S(C);CHECK,XR(f)
- Refutation
- Q(b);P_PINQ(F),XS(C)
- Try
- B(H);XR(f)
- Threat
- DUALS(2)
- Vars
- B(g);OGATE,XP(E)::QAR1(F)
- B(g);OGATE,XB(I)::QAR1(F)
- B(g);OGATE::QAR1(F)
- P(d);::B(I),XB(g)
- Refutation
- Q(b);P_PINQ(F),XB(H)
- Try
- R(B);
- Threat
- R1(B)
- Vars
- R(f);N_GUARD,P_PINQ(F),XP(E)::B(I),XB(g)
- Refutation
- B(a);XR(B)
- Try
- R(D);XB(a)
- Threat
- DUALS(2)
- Vars
- K(c);P-FLIGHT,P_SPINR(f)::QAB1(F),XP(d)
- Q(b);::QAR1(F),XP(d)
- P(d);::R(D)
- Refutation
- Q(b);XS(A)
- Try
- R(D);CHECK
- Vars
- K(c);P-FLIGHT,P_SPINR(f),XR(D)::QAB1(F),XP(d)
- Refutation
- B(a);XR(D)
- Try
- Actual
- S(A);
- Threat
- QAR1(F)
- Vars
- K(c);P-FLIGHT,P_SPINR(f)::QAB1(F),XP(d)
- Q(b);XR(B)::S(A),XQ(b)
- R(f);N_GUARD,P_PINQ(F),XP(E)::B(I),XB(g)
- B(g);OGATE,XP(E)::QAR1(F)
- B(g);OGATE,XB(I)::QAR1(F)
- R(f);N_GUARD,P_PINQ(F)::B(I),XB(g)
- B(g);OGATE::QAR1(F)
Developed and maintained by Brian Stephenson.
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