MESON Chess Problem Database
Problem Display
PID: 77241 (3Q1R2/r2bRp2/p3B3/2P1k1Pp/2np1p1K/3q1r1p/3NPN2/8 w - - 0 1)
Pape, Edouard
La Settimana Enigmistica, 1935
#2
10 + 12
SOLUTION
- SOUND
- Sets
- 1...Qb1
- 2.Sxf3#
- 2.Sxc4#
- 1...Qc2
- 2.Sxf3#
- 1...Qe4
- 2.Sxc4#
- 1...Qf5
- 2.Sxf3#
- 2.Sxc4#
- 1...Qg6
- 2.Sxf3#
- 2.Sxc4#
- 1...Qh7
- 2.Sxf3#
- 2.Sxc4#
- 1...Qa3
- 2.Sxc4#
- 1...Qe3
- 2.Sxc4#
- 1...Ba4
- 2.Qd5#
- 1...Bb5
- 2.Qd5#
- 1...Bc8
- 2.Qd5#
- 1...Be8
- 2.Qd5#
- 1...Se3
- 2.Sxf3#
- 2.Sxd3#
- 1...Qb1
- Tries
- 1.Bxc4+?
- 1...Be6
- 2.Qd5#
- 1...Kf5!
- 1...Be6
- 1.Bxf7+?
- 1...Kf5
- 2.Bxh5#
- 2.Be8#
- 1...Be6!
- 1...Kf5
- 1.Qc7+?
- 1...Sd6
- 2.Qxd6#
- 1...Rxc7!
- 1...Sd6
- 1.Qxd7?
- threat
- 2.Bxh3#
- 2.Bxc4#
- 2.Bg4#
- 2.Bd5#
- 2.Bf5#
- 2.Bxf7#
- 2.Qd5#
- 1...Sxd2
- 2.Ba2#
- 2.Bb3#
- 2.Bxh3#
- 2.Bc4#
- 2.Bg4#
- 2.Bd5#
- 2.Bf5#
- 2.Bxf7#
- 2.Qd5#
- 2.Qd6#
- 1...fxe6
- 2.Rxe6#
- 2.Qxe6#
- 1...Qe4
- 2.Sxc4#
- 2.Bxh3#
- 2.Bxc4#
- 2.Bg4#
- 2.Bd5#
- 2.Bf5#
- 2.Bxf7#
- 1...Qf5
- 2.Sxf3#
- 2.Sxc4#
- 2.Bxf5#
- 2.Qd5#
- 1...Qg6
- 2.Sxf3#
- 2.Sxc4#
- 2.Qd5#
- 1...Sb2
- 2.Ba2#
- 2.Bb3#
- 2.Bxh3#
- 2.Bc4#
- 2.Bg4#
- 2.Bd5#
- 2.Bf5#
- 2.Bxf7#
- 2.Qd5#
- 2.Qd6#
- 1...Sa3
- 2.Ba2#
- 2.Bb3#
- 2.Bxh3#
- 2.Bc4#
- 2.Bg4#
- 2.Bd5#
- 2.Bf5#
- 2.Bxf7#
- 2.Qd5#
- 2.Qd6#
- 1...Se3
- 2.Sxf3#
- 2.Sxd3#
- 2.Ba2#
- 2.Bb3#
- 2.Bxh3#
- 2.Bc4#
- 2.Bg4#
- 2.Bd5#
- 2.Bf5#
- 2.Bxf7#
- 2.Qd6#
- 1...Sa5
- 2.Ba2#
- 2.Bb3#
- 2.Bxh3#
- 2.Bc4#
- 2.Bg4#
- 2.Bd5#
- 2.Bf5#
- 2.Bxf7#
- 2.Qd5#
- 2.Qd6#
- 1...Sb6
- 2.Ba2#
- 2.Bb3#
- 2.Bxh3#
- 2.Bc4#
- 2.Bg4#
- 2.Bd5#
- 2.Bf5#
- 2.Bxf7#
- 2.Qd6#
- 1...Sd6
- 2.Ba2#
- 2.Bb3#
- 2.Bc4#
- 2.Bxf7#
- 2.Qxd6#
- 1...h2
- 2.Bh3#
- 2.Bxc4#
- 2.Bg4#
- 2.Bd5#
- 2.Bf5#
- 2.Bxf7#
- 2.Qd5#
- 1...f5
- 2.Bxc4#
- 2.Bd5#
- 2.Bxf5#
- 2.Bf7#
- 2.Bg8#
- 2.Qd5#
- 1...f6
- 2.Bxh3#
- 2.Bxc4#
- 2.Bg4#
- 2.Bd5#
- 2.Bf5#
- 2.Bf7#
- 2.Bg8#
- 2.Qd5#
- 1...Rxd7!
- threat
- 1.Qb8+?
- 1...Sd6
- 2.Qxd6#
- 1...Rc7!
- 1...Sd6
- 1.Bxc4+?
- Keys
- 1.e4!
- threat
- 2.Bxd7#
- 1...Qxe4
- 2.Sxc4#
- 1...Bxe6
- 2.Qd5#
- 1...fxe6
- 2.Rf5#
- 1...dxe4 ep
- 2.Sxf3#
- 1...fxe4 ep
- 2.Sxd3#
- 1...Ba4
- 2.Bd7#
- 2.Qd5#
- 1...Bb5
- 2.Bd7#
- 2.Qd5#
- 1...Bc6
- 2.Bd7#
- 1...Bc8
- 2.Bd7#
- 2.Qd5#
- 1...Be8
- 2.Bd7#
- 2.Qd5#
- threat
- 1.e4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 7
- Sets
- Q(a);N_GUARD::S(A),XR(b)
- Q(a);N_GUARD::S(A),XS(d)
- B(k);OGATE::QAR1(I)
- Tries
- Try
- B(G);CHECK,XS(d)
- Vars
- B(k);OGATE,P_SPINB(k)::QAR1(I)
- Refutation
- K(g);P-FLIGHT,P_SPINP(l)
- Try
- B(G);CHECK,XP(l)
- Refutation
- B(k);P_SPINB(k)
- Try
- Q(I);CHECK
- Vars
- S(d);N_GUARD,P_SPINS(d)::QAB1(I),XS(d)
- Refutation
- R(j);XQ(I)
- Try
- Q(I);XB(k)
- Threat
- DUALS(7)
- Refutation
- R(j);XQ(I)
- Try
- Q(I);CHECK
- Vars
- S(d);N_GUARD,P_SPINS(d)::QAB1(I),XS(d)
- Refutation
- R(j);P_SPINR(j)
- Try
- Actual
- P(B);
- Threat
- R(H)+B(G),XB(k)
- Vars
- Q(a);N_GUARD,XP(B)::S(A),XS(d)
- B(k);OGATE,P_SPINB(k),XB(G)::QAR1(I)
- P(l);OGATE,P_SPINP(l),XB(G)::R1(J)
- P(e);EP,S_CUTQ(a),XP(B)::S(A),XR(b)
- P(f);EP,S_CUTR(b),XP(B)::S(C),XQ(a)
- B(k);::R(H)+B(G)
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