MESON Chess Problem Database
Problem Display
PID: 180980 (7K/1PPPP1R1/2Npknp1/1Q1b4/3B1b1P/2N4P/2r5/1B3R2 w - - 0 1)
van Engelen, Adrianus Cornelis
Probleemblad, 1979
#2
14 + 7
SOLUTION
- SOUND
- Sets
- 1...Kxd7
- 2.c8Q#
- 1...Rc1
- 2.Sd8#
- 1...Ra2
- 2.Sd8#
- 1...Rb2
- 2.Sd8#
- 1...Rd2
- 2.Sd8#
- 1...Re2
- 2.Sd8#
- 1...Rf2
- 2.Sd8#
- 1...Rg2
- 2.Sd8#
- 1...Rh2
- 2.Sd8#
- 1...Rxc3
- 2.Sd8#
- 1...Bc1
- 2.Sd8#
- 1...Bd2
- 2.Sd8#
- 1...Bh2
- 2.Sd8#
- 1...Be3
- 2.Sd8#
- 1...Bg3
- 2.Sd8#
- 1...Be5
- 2.Sd8#
- 1...Bg5
- 2.Sd8#
- 1...Bh6
- 2.Sd8#
- 1...Bh1
- 2.Sd8#
- 1...Ba2
- 2.Sd8#
- 1...Bg2
- 2.Sd8#
- 1...Bb3
- 2.Sd8#
- 1...Bf3
- 2.Sd8#
- 1...Bc4
- 2.Sd8#
- 1...Be4
- 2.Sd8#
- 1...Sxd7
- 2.Qxd5#
- 1...Kxd7
- Tries
- 1.Rxf4?
- threat
- 2.Sd8#
- 1...Kxd7
- 2.c8Q#
- 1...Bxc6!
- threat
- 1.Qxd5+?
- 1...Kxd7
- 2.c8Q#
- 1...Sxd5!
- 1...Kxd7
- 1.c8Q?
- threat
- 2.d8S#
- 1...Sxd7
- 2.Qxd5#
- 1...Se4
- 2.Qxd5#
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...Sg4
- 2.Qxd5#
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...Sh5
- 2.Qxd5#
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...Sh7
- 2.Qxd5#
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...Se8
- 2.Qxd5#
- 2.dxe8Q#
- 2.dxe8S#
- 2.dxe8B#
- 2.dxe8R#
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...Sg8
- 2.Qxd5#
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...Kf5!
- threat
- 1.c8B?
- threat
- 2.d8S#
- 1...Sxd7
- 2.Qxd5#
- 1...Se4
- 2.Qxd5#
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...Sg4
- 2.Qxd5#
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...Sh5
- 2.Qxd5#
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...Sh7
- 2.Qxd5#
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...Se8
- 2.Qxd5#
- 2.dxe8Q#
- 2.dxe8S#
- 2.dxe8B#
- 2.dxe8R#
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...Sg8
- 2.Qxd5#
- 2.d8Q#
- 2.d8S#
- 2.d8B#
- 2.d8R#
- 1...Kf5!
- threat
- 1.e8Q+?
- 1...Sxe8
- 2.Qxd5#
- 1...Kf5!
- 1...Sxe8
- 1.e8R+?
- 1...Sxe8
- 2.Qxd5#
- 1...Kf5!
- 1...Sxe8
- 1.Rxf4?
- Keys
- 1.Rxg6!
- 1...Kf5
- 2.Rxf6#
- 1...Kxd7
- 2.c8Q#
- 1...Kf7
- 2.Rxf6#
- 1...Rxc3
- 2.e8Q#
- 1...Bxc6
- 2.e8Q#
- 1...Rc1
- 2.e8Q#
- 1...Ra2
- 2.e8Q#
- 1...Rb2
- 2.e8Q#
- 1...Rd2
- 2.e8Q#
- 1...Re2
- 2.e8Q#
- 1...Rf2
- 2.e8Q#
- 1...Rg2
- 2.e8Q#
- 1...Rh2
- 2.e8Q#
- 1...Bc1
- 2.e8Q#
- 1...Bd2
- 2.e8Q#
- 1...Bh2
- 2.e8Q#
- 1...Be3
- 2.e8Q#
- 1...Bg3
- 2.e8Q#
- 1...Be5
- 2.e8Q#
- 1...Bg5
- 2.e8Q#
- 1...Bh6
- 2.e8Q#
- 1...Bh1
- 2.e8Q#
- 1...Ba2
- 2.e8Q#
- 1...Bg2
- 2.e8Q#
- 1...Bb3
- 2.e8Q#
- 1...Bf3
- 2.e8Q#
- 1...Bc4
- 2.e8Q#
- 1...Be4
- 2.e8Q#
- 1...Kf5
- 1.Rxg6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 24
- ADDED MATES = 3
- REMOVED MATES = 1
- Sets
- K(e);S_FLIGHT,XP(K)::P=Q
- R(a);::S(H)
- R(a);XS(C)::S(H)
- B(b);::S(H)
- B(c);::S(H)
- S(f);N_GUARD,SBLOCK,XP(K)::QAB1(G),XB(c)
- Tries
- Try
- R(B);XB(b)
- Threat
- S(H)
- Vars
- K(e);S_FLIGHT,XP(K)::P=Q
- Refutation
- B(c);XS(H)
- Try
- Q(G);CHECK,XB(c)
- Vars
- K(e);P_SPINP(d),S_FLIGHT,XP(K)::P=Q
- Refutation
- S(f);XQ(G)
- Try
- P(J);
- Threat
- P=S
- Vars
- S(f);N_GUARD,P_SPINS(f),XP(K)::QAB1(G),XB(c)
- Refutation
- K(e);P_SPINB(b),P_SPINR(a),S_FLIGHT
- Try
- P(J);
- Threat
- P=S
- Vars
- S(f);N_GUARD,P_SPINS(f),XP(K)::QAB1(G),XB(c)
- Refutation
- K(e);P_SPINB(b),P_SPINR(a),S_FLIGHT
- Try
- P(L);CHECK
- Vars
- S(f);XQ(L)::QAB1(G),XB(c)
- Refutation
- K(e);P_SPINB(b),P_SPINR(a),S_FLIGHT
- Try
- P(L);CHECK
- Vars
- S(f);XR(L)::QAB1(G),XB(c)
- Refutation
- K(e);P_SPINB(b),P_SPINR(a),S_FLIGHT
- Try
- Actual
- R(M);P_PINS(f),XP(g)
- Vars
- K(e);N_SPINS(f),P_SPINB(b),P_SPINR(a),S_FLIGHT::R1(M),XS(f)
- K(e);N_SPINS(f),S_FLIGHT,XP(K)::P=Q
- K(e);N_SPINS(f),S_FLIGHT::R1(M),XS(f)
- R(a);XS(C)::P=Q
- B(c);XS(H)::P=Q
- R(a);::P=Q
- B(b);::P=Q
- B(c);::P=Q
Developed and maintained by Brian Stephenson.
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