MESON Chess Problem Database

Problem Display
PID: 16960 (K1Bb3B/pp6/b5Q1/2p2N2/rRq1nk1P/8/3PppP1/2N4n w - - 0 1)

Valve, Leo Erland

1st Prize, Suomen Sotilas, 1944

K1Bb3B/pp6/b5Q1/2p2N2/rRq1nk1P/8/3PppP1/2N4n

#2

10 + 12

3098 FIDE Album (1914-1944) (I) 1971

SOLUTION

  • SOUND
  • Tries
    • 1.Rxc4?
      • threat
        • 2.Sxe2#
        • 2.Sd3#
      • 1...Bg5
        • 2.Qxg5#
      • 1...Bf6
        • 2.Sd3#
      • 1...e1Q
        • 2.Sd3#
      • 1...e1S
        • 2.Se2#
      • 1...e1B
        • 2.Se2#
        • 2.Sd3#
      • 1...e1R
        • 2.Sd3#
      • 1...f1Q
        • 2.Sd3#
      • 1...f1B
        • 2.Sd3#
      • 1...Ra3
        • 2.Sxe2#
      • 1...Sg3
        • 2.Sd3#
        • 2.Qxg3#
      • 1...Bxc4!
  • Keys
    • 1.Se7!
      • threat
        • 2.Qg4#
      • 1...Sxd2
        • 2.Sd5#
      • 1...Sg5
        • 2.Sxe2#
      • 1...Sf6
        • 2.Sd3#
      • 1...Qe6
        • 2.Qg5#
      • 1...Qg8
        • 2.Qd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(D);P_PINS(f),XQ(e)
      • Threat
        • DUALS(2)
      • Vars
        • B(l);N_GUARD::QAB1(G),XB(l)
        • B(l);::S(A)
        • P(b);::S(A)
        • P(c);::S(A)
        • R(d);::S(A),XP(b)
      • Refutation
        • B(i);N_SPINS(f),XR(D)
  • Actual
    • S(F);
    • Threat
      • QAR1(G)
    • Vars
      • S(f);P_SPINQ(e),XP(B)::S(F)
      • S(f);P_SPINQ(e)::S(A),XP(b)
      • S(f);P_SPINQ(e)::S(A)
      • Q(e);P_SPINS(f)::QAB1(G)
      • Q(e);P_SPINS(f)::QAB(G)
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