MESON Chess Problem Database
Problem Display
PID: 66747 (1q1nR3/rp6/2Rp2N1/3k1Pp1/Q7/6K1/2N5/4rb2 w - - 0 1)
Vollenweider, Odette (aka Baumgartner, Gabriel)
Sakkelet, 1986
#2
7 + 9
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Se3#
- 2.Qe4#
- 1...Rb1
- 2.Se3#
- 2.Qe4#
- 1...Rc1
- 2.Se3#
- 2.Qe4#
- 1...Rd1
- 2.Se3#
- 2.Qe4#
- 1...Re2
- 2.Qb5#
- 2.Qc4#
- 1...Re3+
- 2.Sxe3#
- 1...Re4
- 2.Qxe4#
- 1...Be2
- 2.Se3#
- 2.Qe4#
- 1...Bg2
- 2.Qb5#
- 2.Qc4#
- 1...Bh3
- 2.Qb5#
- 2.Qc4#
- 1...Bc4
- 2.Qxc4#
- 1...Bb5
- 2.Qxb5#
- 1...g4
- 2.Sf4#
- 1...bxc6
- 2.Qd4#
- 1...Ra1
- Tries
- 1.Se7+?
- 1...Ke5
- 2.Qd4#
- 1...Rxe7!
- 1...Ke5
- 1.Rxe1?
- threat
- 2.Se3#
- 2.Se7#
- 2.Qe4#
- 1...Rxa4
- 2.Se7#
- 1...bxc6
- 2.Qd4#
- 1...Bb5
- 2.Se7#
- 2.Qxb5#
- 2.Qe4#
- 1...b5
- 2.Qe4#
- 1...Qc7
- 2.Se3#
- 2.Qe4#
- 1...Be2
- 2.Se3#
- 1...Bg2
- 2.Se3#
- 2.Se7#
- 2.Rd1#
- 2.Qb5#
- 2.Qc4#
- 1...Bd3
- 2.Se3#
- 2.Se7#
- 1...Bc4
- 2.Se7#
- 2.Qxc4#
- 1...b6
- 2.Se3#
- 2.Qe4#
- 1...Sxc6!
- threat
- 1.Re3?
- threat
- 2.Se7#
- 2.Qe4#
- 1...Rxe3+
- 2.Sxe3#
- 1...Rxa4
- 2.Se7#
- 1...bxc6
- 2.Qd4#
- 1...b5
- 2.Qe4#
- 1...Qc7
- 2.Qe4#
- 1...Bg2
- 2.Se7#
- 2.Rd3#
- 2.Qb5#
- 2.Qc4#
- 1...Bd3
- 2.Se7#
- 2.Rxd3#
- 1...Bc4
- 2.Se7#
- 2.Qxc4#
- 1...b6
- 2.Qe4#
- 1...Sxc6!
- threat
- 1.Re5+?
- 1...dxe5
- 2.Se7#
- 1...Rxe5!
- 1...dxe5
- 1.Qb3+?
- 1...Bc4
- 2.Qxc4#
- 1...Kxc6!
- 1...Bc4
- 1.Se7+?
- Keys
- 1.Re2!
- threat
- 2.Se3#
- 2.Se7#
- 2.Qb5#
- 2.Qc4#
- 2.Qe4#
- 1...Rxe2
- 2.Qc4#
- 1...Rxa4
- 2.Se7#
- 1...Bxe2
- 2.Se3#
- 1...Sxc6
- 2.Qb5#
- 1...bxc6
- 2.Qd4#
- 1...b5
- 2.Qe4#
- 1...Qc7
- 2.Se3#
- 2.Qb5#
- 2.Qc4#
- 2.Qe4#
- 1...Rb1
- 2.Se3#
- 2.Se7#
- 2.Qc4#
- 2.Qe4#
- 1...Ra5
- 2.Se3#
- 2.Se7#
- 2.Qc4#
- 2.Qe4#
- 1...Bg2
- 2.Se3#
- 2.Se7#
- 2.Rd2#
- 2.Qb5#
- 2.Qc4#
- 1...Se6
- 2.Se3#
- 2.Se7#
- 2.Qc4#
- 2.Qe4#
- 1...b6
- 2.Se3#
- 2.Qb5#
- 2.Qc4#
- 2.Qe4#
- threat
- 1.Re2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 5
- Sets
- R(a);CHECK,N_GUARD::S(A),XR(a)
- R(a);N_GUARD::QAB1(C),XR(a)
- B(b);N_GUARD::QAB1(C),XB(b)
- B(b);N_GUARD::QAR2(C),XB(b)
- P(d);N_GUARD::S(F)
- P(g);SBLOCK,XR(E)::QAR1(C)
- Tries
- Try
- S(F);CHECK
- Vars
- K(c);P-FLIGHT::QAB1(C)
- Refutation
- R(a);XS(F)
- Try
- R(G);XR(a)
- Threat
- DUALS(3)
- Vars
- R(f);XQ(C)::S(F)
- P(g);SBLOCK,XR(E)::QAR1(C)
- P(g);::QAB1(C)
- B(b);::S(A)
- Refutation
- S(i);XR(E)
- Try
- R(G);
- Threat
- DUALS(2)
- Vars
- R(a);CHECK,XR(G)::S(A),XR(a)
- R(f);XQ(C)::S(F)
- P(g);SBLOCK,XR(E)::QAR1(C)
- P(g);::QAB1(C)
- Q(h);::QAB1(C)
- Refutation
- S(i);XR(E)
- Try
- R(G);CHECK
- Vars
- P(e);SBLOCK,XR(G)::S(F)
- Refutation
- R(a);XR(G)
- Try
- Q(C);CHECK
- Vars
- B(b);N_GUARD,P_SPINB(b)::QAB1(C),XB(b)
- Refutation
- K(c);S_FLIGHT,XR(E)
- Try
- Actual
- R(G);
- Threat
- DUALS(5)
- Vars
- R(a);XR(G)::QAB1(C)
- R(f);XQ(C)::S(F)
- B(b);XR(G)::S(A)
- S(i);XR(E)::QAR2(C)
- P(g);SBLOCK,XR(E)::QAR1(C)
- P(g);::QAB1(C)
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