MESON Chess Problem Database
Problem Display
PID: 6921 (2r5/P3B2n/KR6/3P4/pPk2p2/3RP3/3bB3/1nN1Q3 w - - 0 1)
van der Ven, AMA
1st Prize, Tijdschrift vd NSB, 1934
#2
11 + 7
| 3098 | FIDE Album (1914-1944) (I) | 1971 |
SOLUTION
- SOUND
- Sets
- 1...Rc6
- 2.Rxc6#
- 1...Ra8
- 2.Rc6#
- 1...Rb8
- 2.Rc6#
- 1...Rd8
- 2.Rc6#
- 1...Re8
- 2.Rc6#
- 1...Rf8
- 2.Rc6#
- 1...Rg8
- 2.Rc6#
- 1...Rh8
- 2.Rc6#
- 1...Bc3
- 2.Rd1#
- 2.Rd2#
- 2.Rd4#
- 1...Bxe3
- 2.Rd1#
- 1...Bxb4
- 2.Rd1#
- 2.Rd4#
- 2.Rxb4#
- 2.Qxb4#
- 1...Sc3
- 2.Rd4#
- 1...fxe3
- 2.Qh4#
- 1...f3
- 2.Qh4#
- 1...Rc6
- Tries
- 1.Qxd2?
- threat
- 2.Ra3#
- 2.Rb3#
- 2.Rc3#
- 2.Rd4#
- 2.Qa2#
- 1...Sa3
- 2.Rxa3#
- 2.Rb3#
- 2.Rc3#
- 2.Rd4#
- 2.Qc3#
- 2.Qa2#
- 1...Sc3
- 2.Rxc3#
- 2.Rd4#
- 2.Qxc3#
- 1...a3
- 2.Rxa3#
- 2.Rb3#
- 2.Rc3#
- 2.Rd4#
- 2.Qa2#
- 1...f3
- 2.Rc3#
- 2.Rd4#
- 2.Qa2#
- 1...Sxd2!
- threat
- 1.Qh1?
- threat
- 2.Ra3#
- 2.Rb3#
- 2.Qe4#
- 1...Bxc1
- 2.Ra3#
- 2.Qe4#
- 1...fxe3
- 2.Qe4#
- 2.Qh4#
- 1...Sg5
- 2.Ra3#
- 2.Rb3#
- 1...Bc3
- 2.Rd1#
- 2.Rd2#
- 2.Rd4#
- 1...Sa3
- 2.Rxa3#
- 2.Rb3#
- 2.Qe4#
- 1...Sc3
- 2.Rd4#
- 1...Sf6
- 2.Ra3#
- 2.Rb3#
- 1...a3
- 2.Rxa3#
- 2.Rb3#
- 2.Qe4#
- 1...f3
- 2.Qh4#
- 1...Bxe3!
- threat
- 1.a8Q?
- threat
- 2.Ra3#
- 2.Rb3#
- 2.Qxc8#
- 1...Bxc1
- 2.Ra3#
- 2.Rc3#
- 2.Qxc8#
- 1...Bxe3
- 2.Rd1#
- 1...Bxb4
- 2.Rd1#
- 2.Ra3#
- 2.Rb3#
- 2.Rc3#
- 2.Rd4#
- 2.Rxb4#
- 2.Qxb4#
- 1...fxe3
- 2.Qh4#
- 2.Qxc8#
- 1...Rc5
- 2.Ra3#
- 2.Rb3#
- 1...Rc6
- 2.Rxc6#
- 2.Qxc6#
- 1...Rc7
- 2.Ra3#
- 2.Rb3#
- 1...Rb8
- 2.Ra3#
- 2.Rb3#
- 2.Rc6#
- 2.Qc6#
- 1...Rd8
- 2.Ra3#
- 2.Rb3#
- 2.Rc6#
- 2.Qc6#
- 1...Re8
- 2.Ra3#
- 2.Rb3#
- 2.Rc6#
- 2.Qc6#
- 1...Rf8
- 2.Ra3#
- 2.Rb3#
- 2.Rc6#
- 2.Qc6#
- 1...Rg8
- 2.Ra3#
- 2.Rb3#
- 2.Rc6#
- 2.Qc6#
- 1...Rh8
- 2.Ra3#
- 2.Rb3#
- 2.Rc6#
- 2.Qc6#
- 1...Bc3
- 2.Rd1#
- 2.Rd2#
- 2.Rxc3#
- 2.Rd4#
- 2.Qxc8#
- 1...Sa3
- 2.Rxa3#
- 2.Rb3#
- 2.Qxc8#
- 1...Sc3
- 2.Rd4#
- 2.Qxc8#
- 1...a3
- 2.Rxa3#
- 2.Rb3#
- 2.Qxc8#
- 1...f3
- 2.Qh4#
- 2.Qxc8#
- 1...Rxa8+!
- threat
- 1.a8B?
- threat
- 2.Ra3#
- 2.Rb3#
- 1...Bxc1
- 2.Ra3#
- 2.Rc3#
- 1...Bxe3
- 2.Rd1#
- 1...fxe3
- 2.Qh4#
- 1...Rc6
- 2.Rxc6#
- 1...Bc3
- 2.Rd1#
- 2.Rd2#
- 2.Rxc3#
- 2.Rd4#
- 1...Sa3
- 2.Rxa3#
- 2.Rb3#
- 1...Sc3
- 2.Rd4#
- 1...a3
- 2.Rxa3#
- 2.Rb3#
- 1...f3
- 2.Qh4#
- 1...Rxa8+!
- threat
- 1.Qxd2?
- Keys
- 1.Rd6!
- threat
- 2.Rb3#
- 1...Rc6+
- 2.Rxc6#
- 1...Kxb4
- 2.Rc6#
- 1...Bxc1
- 2.Ra3#
- 1...Bxe3
- 2.Rd1#
- 1...Bxb4
- 2.Rc3#
- 1...fxe3
- 2.Qh4#
- 1...Bc3
- 2.Rd4#
- 1...Sc3
- 2.Rd4#
- 1...f3
- 2.Qh4#
- threat
- 1.Rd6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 7
- Sets
- R(g);N_GUARD,P_PINR(I)::R(I),XR(g)
- R(g);N_GUARD,P_PINP(J)::R(I)
- R(g);N_GUARD::R(I)
- B(b);OGATE,XP(E)::B(C)+R(D)
- S(a);SBLOCK::B(C)+R(D),DCHECK
- P(e);OGATEB,XP(E)::QAR(B)
- P(e);OGATEB::QAR(B)
- Tries
- Try
- Q(B);XB(b)
- Threat
- DUALS(5)
- Refutation
- S(a);XQ(B)
- Try
- Q(B);
- Threat
- DUALS(3)
- Vars
- S(a);SBLOCK::B(C)+R(D),DCHECK
- P(e);OGATEB::QAR(B)
- Refutation
- B(b);XP(E)
- Try
- P(J);
- Threat
- DUALS(3)
- Vars
- B(b);OGATE,XP(E)::B(C)+R(D)
- Refutation
- R(g);CHECK,XQ(J)
- Try
- P(J);
- Threat
- DUALS(2)
- Vars
- B(b);OGATE,XP(E)::B(C)+R(D)
- P(e);OGATEB,XP(E)::QAR(B)
- R(g);N_GUARD,P_PINR(I)::R(I),XR(g)
- S(a);SBLOCK::B(C)+R(D),DCHECK
- P(e);OGATEB::QAR(B)
- Refutation
- R(g);CHECK,XB(J)
- Try
- Actual
- R(I);
- Threat
- B(C)+R(D)
- Vars
- R(g);CHECK,N_GUARD::R(I),XR(g)
- K(d);P-FLIGHT,P_SPINB(b),XP(F)::B(K)+R(I)
- B(b);XS(A)::B(C)+R(D)
- B(b);OGATE,XP(E)::B(C)+R(D)
- B(b);SBLOCK,XP(F)::B(C)+R(D),DCHECK
- P(e);OGATEB,XP(E)::QAR(B)
- B(b);::B(C)+R(D),DCHECK
- S(a);SBLOCK::B(C)+R(D),DCHECK
- P(e);OGATEB::QAR(B)
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